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

VIDEO

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?

VIDEO

Unit 2 Lesson 5

Compete the converation with words from the box( Lesson 5)

Host: Welcome to the show,Dr. Evans.Give us your predictions for 100 years in the future.
Dr. Evans: l'm an optimist.l think there will be many technological advences.
We will be able to cure diseases,like cancer  and  AIDS.
We'll be able to generate all our energy from nuclear power,so we'll be able to cut must greenhouse gas emissions. We'll ll 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 we be able to travel  to other plants?
Dr. Evans: Yes, we'll be able to go to Mars and perhaps we'll be able to live there.ln the future,anything is possible!

Write three things that you think we definitely won't be able to do in the next 50 years (Lesson 5)

a) l can't will play boxing
b) l can't will practiceswiming
c) l can't will running


Unit 2 Lesson 4

Find six verbs in the puzzle.Use them to complete the sentences in the correct tense. (Lesson 4)

a) Yesterday l leaved the house at 7:00 a.m. to go to school.
b) She made five calls on her cell phone last night.
c) Charles Darwin wrote On the Origin of Species in the 19th Century.
d) He           the Jittterbug 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 in the 1950s.

Expand these notes to makes a paragraph about the invention of the microwere. (Lesson 4)

1946/ Percy LeBaron Spencer/invent/the microwave oven by accident.
Percy LeBaron Spencer invent the micoware oven by accident 1946.
He/be/engineer/the Raytheon Corporation.He enginner be the Raytheon Corporation.
One morning/be/his laboratory.One morning be his laboratory.
He/have/a candy bar/his pocket.He have a candy bar his pocket.
He/doing an experiment/with a magnetron/when/the chocolate/melt.
When he doing an experimet melt with a meganetron the chocolate melt.
Then/try/another experiment with popcorn.Then try another experiment with popcorn.
He/know/this/be/an important discovery.He this know be an important discovery.
Microwave ovens/be soon very popular.Microware ovens be soon very popular.

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Unit 2 Lesson 3

Complete the biograohy with verbs in the box in the correct tense.(Lesson 3)

ALEXANDER GRAHAM BELL

Alexander Graham Bell was born in 1847 in Scotland.He studied at the universities of Edinburg and London. ln 1871,he moved to Boston.There, he worked at a school for deaf people.ln 1874 he   experimented  with the basic idea for the telephone and then in 1876 he transmited  the first complete sentence by telephone.He said: "Watson, come here,l want you" Bell won the Volta Prize (worth 50,000 francs) for his invention. He died  in 1922 in Canada.

Compete these questions (Lesson 3)

a) Was Alexander Graha Bell born in the US? No,he didn't
b) Were did he studied  ? At the universities of Edinburgh and London.
c) Where he moved to in 1871? To Boston.
d) What prize  he won ?  The Volta Prize.
e)  Where his invention successful? Yes,it
f) When he  died  ? ln 1922

Unit 2 Lesson 2

Circle thes best option. (Lesson 2)

a)Manatess weigh/are weighing 400-550 kg
b)They live/are living in warm coastal waters.
c)Manatees eat/are eating 50 kg of aquatic plants a day.
d)The manatee in the picture eats/is eating acuatic plants.
e)Their numbers fall/are falling dramatically.
f) At the moment, the US Fish and Wildlife Service tries/is trying to protect manatees.

Read the clues.Solve the puzzle. What is 1 down? (Lesson 2)

1) ls the   in your country doing enough to save endangered species?
2)Orangutans live in tropical forests.
3)There are only about 2500 tigers in the indian subcontinent. The rest are in zoos.
4)She donated money to the WWF every year.
5)Tigers are carinivores .They hunt at night.
6)They are disappearing because we are destroying their habitats. 
7)Their numbers are falling dramatically
8)What is the orangutan's favorite bananas  ? Do they eat bananas?
9) Polar bears hunt seals and finish.


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