Unit 2 Lesson 12

7.-Complete the sentences with an appropriate form of the words in the box.

a) The populations of the world is growing. Will we be able to grow enough food?

b) One reason GM crops are controversial is that we do not know what the health risks may be.

c) Scientists want to recreate the wooly mammoth.

d)Is it ethical  to clone a human being?

f) Genetic enginnering is a new discilpline

8.-Complete these sentences with the verbs in parentheses in the correct tense

a) When he sometimes  uses (use) the internet to find information?

b) When  did scientists  clone the first animal ? (clone)

c) The woolly mammoth not existed  (not exist) for thousands of years now.

d) Will we be able to (be able to ) stop people from getting old in the future.?

e) Will scientists are do (do) enough research about the effects of GM crops?

VIDEO

Unit 2 Lesson 11

5a.-Number the sentences in the correct order to make a paragraph.

1.-The Oresund Bridgein is more than 7,600 meters long in total and over 200 meters tall , and it opened in
4.-60,000 travelers by car , bus, and train per day. Crossing the Oresund Bridge isn´t
3.-82,000 tonnes. It has one of the longest cable-stayed spans in the world at 490 meters. It carries
2.-2000 to connect Denmark and Sweden. The entire bridge weighs
6.-a frequent traveler. The bridge cost $3.8 billion to build.
5.-cheap. It costs $53 to go one way in a car , but you can get good discounts if you are

The Oresund Bridgein is more than 7,600 meters long in total and over 200 meters tall , and it opened in 2000 to connect Denmark and Sweden. The entire bridge weighs 82,000 tonnes. It has one of the longest cable-stayed spans in the world at 490 meters. It carries 60,000 travelers by car , bus, and train per day. Crossing the Oresund Bridge isn´t cheap. It costs $53 to go one way in a car , but you can get good discounts if you are a frequent traveler. The bridge cost $3.8 billion to build.

 

5b.-Complete the next with the words in the box

The Bosphorus Bride in  Turkey is not the longest or largest  

bridge in the world , but it is famous because it separates two 

continents , Europe and Asia. Workers  completed the bridge 

in 1973. It has a main span of 1,073 meters and clearance of 64 

meters. In 2005, american tennis   star Venus Williams played 

a five-minutes tennis game on the bridge with turkish player Ipek 

Senoglu. It was the first tennis match ever to be played across  two continents.

6.-Read the texts in Exercise 5a and 5b again. Circle these sentences T(True) or F (False) .(Lesson 11)

a)The Oresund bridge connects two countries                               True

b)If you frequently travel over the bridge , the price is cheaper       True

c)The Oresund Bridge is only for cars and buses.                          False

d)The Bosphorus Bridge connects two countries                           False

e)It has a sports stadium on it.                                                       False

f)The Bosphorus Bridge is longer than the Oresund Bridge             False

VIDEO  

Unit 2 Lesson 10

3.-Put the words in parentheses into the correc form to complete the sentences.
 
Do you play a musical instrument?(music)
a.-I´m bored. I want to do something new and exciting .(excite)
b.-You can lose a lot of weight by Powerbocking.(weigh)
c.-I think this is a dangerous sport.(danger)
d.-The Rubik´s cube was a great invention .(invent)
e.-This is a wonderful way of getting excercise.(wonder)
f.-What equipment do you need to play that sport? (equip)

 
4.-Identify the error in each sentences.Write the sentences correctly.

a) I like listen to jazz.
 I like to listen jazz.
b)He love to go PowerBocking on Sundays. 
He loves to go PowerBocking on Sundays.
c)We don´t like to work out in the gym.We prefer going runing.  
We don´t like to work out in the gym.We prefer going to run
d)I hate to playing game like Rubik´s cube and TouchCube.
I hate to play game like Rubik´s cube and TouchCube

Unit 2 Lesson 9

1.-Solve the clues to complete to puzzle. What is 1 down? 

1) He doesn´t want to continue studying. He wants to get ajob.

2) She has all the qualities you need to in businees.

3) He has stall a in the market selling T-shirts.

4)My store has a wonderful location .It´s across from the subway station , so a lot of people walk past.

5)I want to borrow money from my parents , but they don´t want to borrow me any!

6)We want to make some money by selling cakes.

7)I don´t have any long-term objective . I just think about tomorrow.

8)I am a regular customer at the ice cream store. I love ice cream!

Number 1 down is  nothing

2.-Complete the sentences with the correct form of an appropriate verb from the box.

a) She has become a lot of money selling tacos in the market.

b) Have you ever eaten ham flavored ice cream?

c) Blackberries have made very popular recently.

d) Has he decided where to open his businees yet?

e) They have started working in a supermarket and they like it a lot.

f) We have bought a new computer for our business

VIDEO 

Unit 2 Lesson 8

7.-Complete the sentences with the correct form of the adjectives in the box 

A: Which is the highest mountain in the world ? Mount Everest.
B: Which was the most violent volcanic eruption in the last 300 years? Krakatoa.
C: What is the rainiest place on the planet ? Mount Waialeale , Hawaii(It rains 350 days a year on average.) D: Is the  Pacific deeper than the Atlantic? Yes. At t one point it´s 10,911 meters deep.
E: Is Bill Gates wealthier than Carlos Slim ? I don´t know who has more , but they are both millionaires.
F: Are dogs more popular than cats as pets in the US ? Yes , they are. More people have dogs than cats. 

G: Lin Enhai from China makes the world´s the thinnestnoodles.
His noodles  are thinner that a human a hair ! A pasta record!
H: How much does the world´s the fattest cat weigh ? 40.8 kilos. 

8.-Write four questions to ask your clasmmates next class.(You must know the answers!)

WHO IS GOING TO EAT?
WHO WILL APPROVE ENGLISH?
WHO STUDY FOR THE TEST?
WHO IS THE BEST FOOTBALL TEAM? 

VIDEO 

Unit 2 Lesson 7

5.-Put the words in thecorrect order to make sentences.


a) were / doing / What / you / six o´ clock / at / night / last / ?
What were you doing last night at six o´clock
b) watching / They / television / were / got / I / home / when / .
They were watching when I got home.
c) when / She / hurricane / was / hit / sleeping / town  / the / the / .
She was sleeping when the hurrican hit the town.
d) they / evacuating / Were / the leaves / city the broke when / ? 
Were they evacuating the city when broke the levees.

6.-Complete the conversation with the verbs in parentheses in the correct past tense.  

A: What were you doing when the hurricane hit the coast of Southern Florida?
B: I was flying (fly)  National Hurricane Center aircraft.My team of meteorologists and I was collecting (collect) data about the storm.
A: What time was the hurricane making (made) landfall?
B: At about 6:00 a.m 
A: How fast was the storm moving (move) ?
B: Not very fast but the winds blown (blow) violently. It was the worst storm I´ve ever seen.
When we realizing (realize) the city was flooding , we knew(know) it was a terrible disaster

VIDEO

Unit 2 Lesson 6

3.-Complete each sentence with an appropriate word.


a) A deaf person is a person who cannot hear.
b) A blind person is a person who cannot see.
c) The eardrum is our organ of hearing.
d)Our organ of sight is the eye.   e)When you are short-sighted you need to wear  glasses to see in the distance.
f)You can have a little operation to correct your vision.



4.-Put the verbs in parentheses into the correct tense to complete the next.


In 1967 , a South African doctor , Christiaan Barnard, performed the first human to human heart transplant. He and his surgical team  took the heart of a 25-years-old woman killed in a car accident and put in the body of a 55-year-old man.The patient survived for 18 days. Over the next 10-15 years doctors made important medical advances, but many hear transplant patients  died . Nowadays , the operation have  a good success rate. Doctors   doapproximately 3,500 heart transplants a year , and at the moment researchers  work to perfect a mechanical heart. And what of the future? Technology will improve all the time.  we  will be able to perform bran transplants one day?

VIDEO

Unit 2 Lesson 5

1.-Complete the conversation with words from the box.
 
Host: Welcome to the show , Dr. Evans. Give us your  predictions for 100 years in the future.Dr. Evans I´m an optimist. I think there willbe many technological advances. We will  be able to cure disseases , like  cancer and AIDS. We´ll be able to  generate all our energy from nuclear power , so we´ll be able to cut most greenhouse gas emissions. We´ll all have electric cars. They will be able to drive themselves-they won´t need drivers and we´ll be able to relax and enjoy the journey
Host: What about in the field of space travel? Will be able to travel to other planets?
Dr. Evans : Yes , we´ll be able to go to Mars and perhaps we´ll be able to live there. In the future , anything is possible.

Unit 2 Lesson 4

7.-Find six verbs in the puzzle . Use them to complete the sentences in the correct tense.

a.Yesterday  I left  the house at 7:00 a.m. to go to school

b.She made fice calls on her cell phones last night.

c.Charles Darwin wrote On the Origin of species in the 19th  Century.

d.He hear the Jitterbug One Touch because the volume was on loud.

e. Last week we went to the zoo and saw an orangutan.

f. Dr. Martin Cooper began working for Motorola i the 1950s.

8.- Expand these notes to make a paragraph about the invention of the microwave. 

1946 / Percy LeBaron Spencer / invent / the microwave oven by accident.

He / be / engineer / the Raytheon Corporation.

One morning / be / his laboratory.

He / have / a candy bar / his pocket .

He / doing an experiment / with a magnetron / when / the chocolate / melt.

Then / try / another experiment with popcorn.

He / know / this / be / an important discovery.

Microwave ovens / be / soon very popular.
Percy LeBaron Spencer in 1946 accidentally invented the microwaveHe was an engineer at Raytheon Company. One morning he went to his laboratory and saw the candy bar he had in his pocket and melted, the experimented again and put in front of the magnetron returned to try but this time with popcorn.He knew that this was an important discovery and the microwave soon became very popular .

VIDEO

Unit 1 Lesson 3

5.-Complete the biography with verbs in the box the correct tense

ALEXANDER GRAHAM BELL                       

Alexander Graham Bell was  born in  1847 in Scotland.He  studied at the universities of Edinburgh and  London. In 1871 , he moved to boston. There , he worked at a school for deaf people. In  1874 , he experimented with the basic idea for the telephione and then in 1876 , he transmitted the first complete sentence by telephone. He said “Watson , come here , I want you.” Bell won the volta Prize  (worth 50,00 French Francs ) for his invention. He died  in  1922 in Canada.

6.-Complete these questions.

a-Was Alexander Graham Bell born in the US? No ,he did not 
b-Where did he study ? At the universities of Edinburgh and London
c-Where did he move to in 1871 ? To Boston
d-What prize did he win? The volta prize.
e-Was his invention sucessful? Yes, it did. 

f-When did he die ? In 1922

Unit 2 Lesson 2

3.- Circle the best option

a) Manatees weigh / are weighing 400-500 kg.
b) They live / are living in war coastal waters
c) Manatees eat / are eating 50 kg of aquatic plants a day.
d) The manatee in the picture eats / is eating aquatic plants.
e) Their numbers fall / are falling dramatically.
f) At the moment , the US Fish and Wildlife Service tries / is trying to protect manatees.


4.-Read the clues.Solve the puzzle.What is 1 down ?

1) Is the government in your country doing enough to save endangered species?
2)Orangutans live in tropical forests
3)There are only about 2,500 tigers in the wild .The rest are in zoos.
4)She donates money to the WWF every year.
5)Tigers are nocturnal. They hunt at night.
6)They are dissappearing because we are destroying their habitat.
7)Their numbers are falling dramatically.
8)What is the orangutan´s favorite food? Do they eat bananas?
9)Polar bears hunt seals and fish.
Number 1 down is Extinction

VIDEO

Unit 2 Lesson 1

1.-Complete the sentences with words from the box.

A) Everyone is talking about climate change.
B) Global warming is causing a change in weather patterns.
C) The ice caps will melt in 80 years if we do nothing.
D) Experts predict there will be terrible famine in the world.
E) We must reduce greenhouse gas emissions.
F) Environmental activists are working to persuade governments to act.

2.-Complete the sentences with the verbs in parentheses in the correct from.

A) Sea levels will rise if the ice caps melt . (rise/melt)
B) If sea levels rise a lot , major cities dissapear.(rise/dissapear)
C) If we not reduce greenhouse gas emissions , temperatures increase. (not reduce/ increase)
D) There be millions of refugees if we do nothing.(be/do)

VIDEO UNIT 2 LESSON 1

Unit 1 Lesson 12

7. Fill in each black with a word from the box.

A) I'm not very sure about waht l want to do next year.
B) What are you going to do for Christmas vacation?
C) I would like to retire when l'm 50 years old.
D) I'm certainly not going to continue living with my parents.
E) I wouldn´t want to live in another country,l prefer living here.
F) I need your advice.What do you think l should do next year?
G) It might be difficult to get a scholarship.
H) I have to get a job and save some money.

8. Write two of your shoet-therm goals and two of your long-term goals.

Short-term goals:
-Studying electronic career
-Learn to speak English

Long-term goals:
-Starting a business   
-Buy a late model car

VIDEO 12

Unit 1 Lesson 11

5.-Match the two halves to make logical sentences.

1 All workers must wear.................F) Hard hats.
2 All visitors must............................D) report to the reception desk. 
3 Staff must was..............................A)Their hands after going to the bathroom
4 You must not drink.......................E) and drive.
5 All workers must arrive................G) at 8:00 a.m. 
6 You must not lose.........................B) your concentration at any point.
7 In this job you must be.................C) prepared to work long hours.




6.-Put the words in the correct order to make sentences.

A) Must / workers / work / prepared / be / overtime / to / .
Workers must be prepared to work overtime.
B) Park / handicapped / you / must not / in / car / your / space / the / .
You must not park your car in the space handicapped.
C)You / time / always / arrive / on / must / .
You always must arrive on time .
D)Mustn´t / driver / passengers/ distract / the / .
Passengers must not distract the driver.
E)Without / you / authorization / enter / must not
You must not enter without authorization.
F)Must / visitors / at / identification / all / wear / times / .
Visitors must wear identification at all time .

VIDEO 11

Unit 1 Lesson 10

3. Unscramble these words related to food and nutricion.Then match them to the correct definition.

1)Ugars  Sugar                        E-sweet substance that we add to food and drinks.
2)Estcholloer Cholesterol         F-a substance in your blood that can cause heart disease.
3)Adreb Bread                       A-a food made from flor.
4)Kicench Chicken                 H-a bird kept for its eggs and meat.
5)Itenrop Protein                    C-substance obtained from eggs meatt ,milk , etc that you need to grow.
6)Aricule Calorie                     D-unit of energy obtained from food.
7)TravebelegsVegetables         B-Plants we eat that are not fruit.
8)Sitanvim Vitamins                 G-Natural substances found in food that you nedd to be healthy.


4.-Put the words in the correct order to make sentences.

A.-Shouldn´t / of / you / food / eat / junk / lot / a
You shouldn´t eat a lot of junk food.
B.-You / reduce / should / consume / the / of / sugar / quantity / you / .
You should reduce the quantity of sugar you consume.
C.- Eat / should / vegetables / you / a / of / lot / .
You should eat a lot of vegetables.
D.- People / diet / eat / their / less / salt / should / in / .
People should eat less salt in their diet.
E.- You / eat / chicken / more / and / should / fish / .
You should eat more chicken and fish.
F.- Everyone / be / fats / careful / satured / should / fish / .
Everyone should be careful of satured fats .
G- You / a / minerals / good / vitamins / balance / need / of / and / .
You need a good balance of minerals and vitamins.
H.- Should / day / exercise / you / for / every / least / 30 at / minutes / .
You should exercise least 30 minutes every day.

VIDEO 10

Unit 1 Lesson 9

1- Fill in each blank with a word from the box.

A) With a toothache like that, you should go and see a dentist.
B) You should not eat spicy food when you have a stomach ache.
C) You should stay in bed when you have the flu.
D) Why do not you take an aspirin or some ibuprofen for your headache?
E) I think you should not go to school if you are not feeling well.

2- Write advice for these illnesses.

A) The flu   For the flu you should stay in bed and rest.
B) A Cough   You should not make much effort.
C) A sore throat   You should take some medicine.
D) A toothache   You should go to the medic center.
E) A stomach ache   You should take pepto bismol.
F) A headache   You should take a té of manzanilla.

VIDEO 9 

Unit 1 Lesson 8

7- Match the two halves to make logical sentences.

1) They are going to move to                                   C Texas when they retire.
2) Spanish will be an even more                               G important language is the US in the future.
3) More people will                                                 F emigrate this year than ever before.
4) I am starting French                                             H classes in February.
5)We are not going to                 B travel aboard this summer, because it´s too expensive.
6) What are you going to                                          E do when you graduate? 
7) I think I will probably study another                      D foreign language, perhaps Russian.
8) We are leaving on vacation                                   A the day after tomorrow.    



8- Fill in the blanks in the conversation with phrases from the box.

A: So, what are you going to do when you finish school?
B: The first thing I´m going to do is visit my family in Quebec, Canada.
A: Oh really! What are you planning to do there?
B: Well, I want to learn French and I might get a job if I can find one.
A: And how long are you going to stay?
B: I will probably stay for about six months, but really it all depends on how much money I have and if I can get work over there.
A: And do you think you will emigrate to Canada?
B: I am not sure. I´d really like to, but first of all I am going to see if I feel comfortable there. And who knows, I might, but I´ll just have to see how things go

VIDEO 8

Unit 1 Lesson 7

5. - Fill in the blanks with have to / has to / had to.

A) What do you HAVE TO do today?
B) She HAS TO stay behind and help the teacher this afternoon.
C) What did we HAD TO do for homework yesterday?
D) We HAD TO walk because we did not have any money for the bus.
E)  He HAS TO work this afternoon.
F) I HAVE TO go to the doctor this morning. That´s why I was late.
G) He HAD TO stay awake until three in the morning last night.
H) What does he HAVE TO do next week?


6. Put the words in the correct order to make sentences.

A) Work/ to/ do/ have/ you/ go/ to/ today/?                
DO YOU HAVE TO WORK TODAY?
B) Do/ What/ Weekend/ To/ You/ Do/ Have/ This/?     
WHAT DO YOU HAVE TO DO THIS WEEKEND? 
C) Have/ Today/ To/ She/ Doesn´t/ To/ School/ Go    
SHE DOES NOT HAVE TO GO TO SCHOOL TODAY
D) To/ I/ Have/ Week/ Do/ Until/ This/ Don´t/ Next   
I DO NOT HAVE TO DO THIS UNTIL NEXT WEEK
E) To/ Late/ Stay/ Had/ We/ Afternoon/ This              
WE HAD TO STAY LATE THIS AFTERNOON
F) Do/ Time/ Leave/ What/ You/ To/ Need                
WHAT TIME DO YOU NEED TO LEAVE?
G) He/ To/ Leave/ Has/ His/ At/ House/ 5:30/ The/ In/ Morning     
HE HAS TO LEAVE HIS HOUSE AT 5:30 IN THE MORNING
H) Didn´t/ We/ The/ To/ Take/ Have/ Test              
WE DIDN´T NOT HAVE TO TAKE THE TEST

VIDEO 7

Unit 1 Lesson 6

3-Match the word with the meaning.

1 How.                             B) Manner
2 What.                            A) A thing (unrestricted choice)
3 Which.                          D) A thing (restricted choice) 
4 When.                           H) A time
5 Where.                          F) A place
6 Who.                             C) A person
7 Whose.                          E) A Possession
8 Why.                             G) A reason

4a Re-order the latters of these words.

A) I h s                             HIS
B) s o u r                         OURS
C) r e s h                          HERS
D) s h o e w                     WHOSE
E) s h I e r t                     THEIRS
F) n e m i                          MINE
G) s o u r y                      YOURS



4b Now write one of the words above is each blank to make the most logical sentences.

A) They like to play volley ball. It´s a favorite game of THEIRS.
B) That pen is HIS. He just dropped it.
C) WHOSE keys are these?
D) That book is MINE .Look, it has my name on it.
E) Those are OURS. We were looking for them.
F) These belong to Julia and Mark. This one is his and that one is HERS.
G) Is this YOURS? I think it fell out of your bag.


VIDEO 6 

Unit 1 Lesson 5

1- Underline the part of each sentence with a mistake and write the correction

A) They are going stay with friends.                                                           GOING TO STAY
B) She aren´t going to bring a sleeping bag.                                                SHE ISN'T GOING TO.
C) I´m taking to a trip with some friends next weekend.                             GOING TO TAKE
D) We´re going not to arrive late.                                                               WE AREN'T GOING TO
E) Does he planning to take a vacation this year?                                        DOES HE GOING TO
F) This Friday night I taking my girlfriend to a restaurant                              I'M GOING TO TAKE
G) I´m not going to mountain bike riding tomorrow                                     GOING TO GO TO
H) Is they taking any equipment with them?                                                ARE THEY GOING TO TAKE

2-Complete the sentences about your plans.

A) Tomorrow I´m going to                                                                       WATCH TV
B) I haven´t decided yet, but I think I´m                                                   GOING TO BE A TECHNICAL
C) This coming weekend I´m                                                                   GOING TO BE PLAYING
D) I´m not going to                                                                                  TAKE A CLASS TODAY
E) When I have time I´m going to                                                             TRAIN HARDER
F) Next week                                                                                          I GO TO PRACTICE

VIDEO 5

VIDEOS

LESSON 1

LESSON 2

LESSON 3

LESSON 4

Unit 1 Lesson 4

EXERCISE 7

7.Number the parts of the conversation in the correct order.
A: So, will you continue studying something related to math?
3
B: I’m still undecided. It could be a job in an engineering company, but what I’d really like to do is something related to cosmology.
8
A: Did you have any special abilities when you were a kid
1
B: Yes, I’ll probably get a degree in physics or engineering. I haven’t to decided yet.
4 
B: Well, I have always been good at math, and I could do calculus when I was 10.
2 
A: And what job do you want to do when you finish?
7 
B: No. my mom is a math teacher, and when she saw that I liked math she started teaching me.
6 
A: Really! That’s amazing. They didn't teach you that in elementary school, I suppose.
5


EXERCISE 8


8.Each of these sentences has a mistake of Spelling(S), Punctuation(P), or Grammar(G).write S, P, or G and correct the mistakes.


a) I could'nt read very well when i was a kid. p couldn't
b) Could you get home OK yesterd s yesterday
c) His dad said he couldn't has a skateboar g couldn't 
d)I couldn't to call you last night. g couldn't
e) Could you ride a bike when you were five. s could
f ) I could get a job with my cuosin. p cousin
g) She could spoke four languages at the age of seven. g speak
h) Mozart cold play the piano when he was three. p could