viernes, 28 de noviembre de 2014

Unit 2 Lesson 12

Complete the sentences with an appropriate form of the words in the box (Lesson 12)

a)The populated  of the world is growing..Will we be able to grow enough food?
b)One reason GM crops are science is that we do not know what the health risks may be.
c) Enginer what to recrete the woolly mammoth.
d)ls it controversy to clane a human being?
e)Genetic ethics is a new discipline.


Complete these sentenses with the verbs ion parentheses in the corrct tese. (Lesson 12)

a) Did he sometimes used (use) the internet to find information?
b)When the scientists cloned the first animal? (clane)
c)The woolly mammoth existed (not exist)for thousands of years now.
d) Do we will be able to (be able to)stop people from getting old in the future?
e) The scientists did (do) enough research about the effects of GM crops?

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Unit 2 Lesson 11

Number the sentences in the corrct order to make a paragraph.(Lesson 11)

1_The Oressund Bridge is more than 7,600 meters long in total and over 200 meters tall,and it opened in

3_60,000 travelers by car,bus,and train per day.Crossing the Oresund Bridge isn't

2_82,000 tonnes.lt has one of the longest cable-stayed spans in the world at 490 meters.lt carries

4_2000 to connect Denmark and Sweden.The entire bridge weighs

6_a frequent traveler.The bridge cost $3.8 billon to build

5_cheap.lt costs $53 to go one way in a car,but you can get good discounts if you are

Complete the text with the words in the box.

The Bosphorus Bridge 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.lt has a main span of 1,073 meters and clearance of 64 meters.ln 2005,American tennis  started                  Venus Williams   played a five-minute tennis game on the bridge with Turkish player lpek Senoglu.lt was the first tennis match ever to be played across  two continents.


Read the texts in Exercise 5a and b again.Circle these sentences T(true) or F(false). (Lesson 11)

F_a)The Oresund Bridge connects two countries
T_b)lf you frequently travel over the bridge,the price is cheaper.
F_c)The Oresund Bridge is only for cars and buses.
F_d)The Bosphorus Bridge connects two countries
T_e)lt has a spots stadium on it.
F_f) The Bosphorus Bridge is longer than the Oresund Bridge.

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Unit 2 Lesson 10

Put the words in parenthese into the correct form to complete the sentence (Lesson 10)

Do you play a musical instrument? (music)

a)l'm bored.l want to do something new and exciting.(excite)
b)You can lose a lot of  weight by PowerBocking.(weigh)
c)l thinkthis is a dangerous sport.(danger)
d)The Rubik's cube was a great invention .(invent)
e)This is a  wonderful way of getting exercise.(wonder)
f)What  equipment do oy need to play that sport?(equip)

ldentify the erroe in each sentence .Write the sentence correctly (Lesson 10)

a)l like listen to jazz.
b)He love to go PowerBocking on Sundays.
c)We don't like to work out in the gym.We prefer going runing.

d)l hate to playing games like Rubik's cube and TouchCube.


Unit 2 Lesson 9

Solve the clues to complete the puzzle.What is 1 down? (Lesson 9)

1) He doesn't want to continue studying.He wants to get a
2) She has all the qualities you need to running in business
3) He has a store in the market selling T-shirts
4) My store has a wonderful location lt's across from the subway station,so a lot of people walk past.
5) l want to borrow money form the parents,but they don't want to lend me any!
6) We want to make some money by selling cakes
7) l don't have any long term  goals l just think about tomorrow
8) l an a regular customer at the ice cream store.l love ice cream!  

Complete the sentences with the correct from af an appropriate verb from the box. (Lesson 9)

a)She has  make a lot of money selling tacos in the market.
b)Have you ever eat ham flavored ice cream?
c)Blackberries have  become very popular recently.
d)Has he   decide where to open his business yet?
e)They have start working in a supermarket and they like it a lot.
f)We have  buy a new computer for our business

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Unit 2 Lesson 8

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

a)How many animals of each sex did Moses take on the ark ? Zero : That Was Noah was in the ark, Mose!
b)Who discovered america? Cristobal Colón
c)What is the largest volcano Unit Executives Found So Far On Earth?Tamu Massif
d)How many continents on earth?Five

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Unit 2 Lesson 7

Put the words in the correct order to make sentences (Lesson 7)

a)What were you doing night at six o' clock?
b)They were watching televsion when l go home.
c)She was sleeping when the hurricane hit the town.
d)

Complete the converation with the verbs in parentheses in the correct past tense (Lesson 7)

A: What were you doing when the hurricane  hit (hit)the coast of Southern Florida?
B: l  flew (fly) National Hurricane Center aircraft.My team of metereologists and l collected  (collect) data about the storm.
A: What time did  the hurricane made(make) landfall?
B: At about 6:00 a.m.
A: How fast    did the storm  moved (move)?
B: Not very fast,but the winds blowed (blow)violently. lt was the worst strom l've ever seen. When we  realized (realize)the city was flooding,we know (know)it was a terrrible disaster.

Complete the sentences with the correct form of the adjetives un the box (Lesson 7)

a)Which is         mountain in the world?Mount Everest
b)Which was             volcanic eruption in the last 300 years?Krakatoa
c)What is         place on the planet?Mount Waialeale,Hawaii. (lt rains 350 days a year on average).
d)ls the Pacific              than the Atlantic? Yes, At one point it's 10,911 meters deep.
e)ls a Bill Gates          than Carlos Slim? l don't know who has more, but they are both millionaries.
f)Are dogs              than cats as oets in the US? Yes,they are.More people have dogs than cats.
g)Li Enhai from China makes the world's               noodles.His noodles are                 that a human hair! A pasta record!
h)How much does the world's                cat weigh? 40.8 Kilos.

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Unit 2 Lesson 6

Complete each sentence with an appropriate word (Lesson 6)

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

Put the verbs in parentheses into the correct these to complete the text (Lesson 6)

ln 1967,a South Afican doctor,Christiaan Barnad,performed (perform)the first human-to-human heart transplant.He and his surgical team took (take)the heart of a 25-year-old woman killed in a car accident and put (put) it in the body of a 55-year-old man.The patient      survived (survive)for 18 days.Over the next 10-15 years doctors made (make) important medical advances,but many heart transplant patients die (die).Nowadays,the operation had (hove)a good success rate.Doctors did (do) approximately 3,500 heart transplants a year,and at the moment researchers worked (work)to perfect a mechanical heart.And what of the future?Technology improved (improve) all the time. Do we be able (be able)to the perform brain transplants one day?

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