Unit 2 Lesson 12

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

Engineer    Populate      Ethics    Controversy     Science

a) The population 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 engineering is a new discipline

8  Complete these sentences with the verbs in parentheses in the correct tense.(Lesson 12)

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

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

c   The woolly mammoth has 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   Are scientists doing  (do) enough research about the effects of GM crops?

Unit 2 Lesson 11

5a  Number the sentences in the correct order to make a paragraph.(Lesson 11).
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
5b  Complete the next with the words in the box

Played      Completed     Two     Star     Europe  Turkey

The Bosphorus Bride in ⁽¹⁾ Turkey is not the longest or largest  

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

continents , ⁽²⁾ Europe and Asia. Workers ⁽³⁾ completed the bridge 

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

meters. In 2005, american tennis ⁽⁴⁾  star Venus Williams⁽⁵⁾ 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 ⁽⁶⁾ 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                              T F 

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

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

d)The Bosphorus Bridge connects two countries                         T F

e)It has a sports stadium on it.                                                      T F

f)The Bosphorus Bridge is longer than the Oresund Bridge        T F  

Unit 2 Lesson 10

3  Put the words in parentheses into the correct form to complete the sentences.(Lesson 10) .
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.(Lesson 10 )
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? (Lesson 9

				1 J	O	1 B
					2S	U	C	C	E	E	D
						3  S	T	A	L	L
	4 L	O	C	A	T	I	O	N
				5 L	E	N	D
			6 M	A	K	E
		7 G	O	A	L	S
				8 C	U	S	T	O	M	E	R

1  He doesn´t want to continue studying. He wants to get a job.

2  She has all the qualities you need to Succeed in business.

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 lend me any!

6  We want to make some money by selling cakes.

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

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

Number 1 down is  business

2  Complete the sentences with the correct form of an appropriate verb from the box.(Lesson 9)

Eat         Decide               Buy              Make            Start           Become

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

b   Have you ever eaten ham flavored ice cream?

c   Blackberries have become very popular recently.

d   Has he decided where to open his business 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

Unit 2 Lesson 8

7.-Complete the sentences with the correct form of the adjectives in the box (Lesson 8)  

Deep   High  Popular  Violent   Wealthy   Thin x2    Fat  Rainy

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 most rainy 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  thinnest noodles. 
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 classmates next class.(You must know the answers!)
a  Which is the world´s biggest bird ? Is the ostrich.
b  Which is the heaviest gold fish?  Is Bruce.
c  Which is the most corrupt place in the world? Is Somalia.
d  Which is the highest human person? Is Robert Wadlow.

Unit 2 Lesson 7

5  Put the words in the correct order to make sentences.(Lesson 7)
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 television when I got home.
c  when / She / hurricane / was / hit / sleeping / town  / the / the / .
She was sleeping when the hurricane hit the town.
d  they / evacuating / Were / the leaves / city the broke when / ?Were they evacuating the city when the levees broke?.
6  Complete the conversation with the verbs in parentheses in the correct past tense.(Lesson 7)  .
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 were collecting (collect) data about the storm.
A: What time did the hurricane make (made) landfall?
B: At about 6:00 a.m 
A: How fast was the storm moving (move) ?
B: Not very fast but the winds were blowing(blow) violently. It was the worst storm I´ve ever seen.
When we realized (realize) the city was flooding , we knew(know) it was a terrible disaster.

Unit 2 Lesson 6

3  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 ear drum 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 laser operation to correct your vision.
4  Put the verbs in parentheses into the correct tense to complete the next.(Lesson 6)
In 1967 , a South African doctor , Christian Barnard, ⁽¹⁾performed the first human to human heart transplant. He and his surgical team ⁽²⁾ took the heart of a 25-years-old woman killed in a car
accident and ⁽³⁾ put in the body of a 55-year-old man.The patient ⁽⁴⁾ survived for 18 days. Over the next 10-15 years doctors ⁽⁵⁾ made important medical advances, but many hear transplant patients ⁽⁶⁾ died . Nowadays , the operation ⁽⁷⁾ has  a good success rate. Doctors ⁽⁸⁾  do approximately 3,500 heart transplants a year , and at the moment researchers ⁽⁹⁾ are working to perfect a mechanical heart. And what of the future? Technology ⁽¹⁰⁾ is improving all the time. ⁽¹¹⁾ will ⁽¹²⁾ be able to perform bran transplants one day?

Unit 2 Lesson 5

1  Complete the conversation with words from the box.(Lesson 5)
Electric   Be   Will  Travel   To  Live   Cancer   Predictions  Able   GenerateHost: Welcome to the show , Dr. Evans. Give us your  ⁽¹⁾ predictions for 100 years in the future.

Dr. Evans:I´m an optimist. I think there ⁽²⁾ will be many technological advances. We will  ⁽³⁾be able

to cure diseases , like ⁽⁴⁾ cancer and AIDS. We´ll be able to ⁽⁵⁾ generate all our energy from nuclear power , so we´ll be able ⁽⁶⁾ to cut most greenhouse gas emissions. We´ll all have ^{(7 )} electric cars. They will be able to drive themselves-they won´t need drivers and we´ll be ⁽⁸⁾ able to relax and enjoy the journey.
Host: What about in the field of space travel? Will be able to ⁽⁹⁾ travel to other planets?

Dr. Evans:Yes , we´ll be able to go to Mars and perhaps we´ll be able to ⁽¹⁰⁾ live there. In the future anything is possible.

2.Write three thing that you think we definitely won´t be able to do in the next 50 years.(Lesson 5) a   We will not be able to find a cure for AIDS.

b   We will not be able to explore the ocean depths.

c    We will not be able to invent a flying car.

Unit 2 Lesson 4

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

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 heard 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.

H	M	A	K	E	N	S
E	K	B	V	W	G	E
A	C	X	L	J	I	E
R	X	W	R	I	T	E
L	E	A	V	E	E	Z
R	T	C	X	J	B	K
B	E	G	I	N	O	J

8   Expand these notes to make a paragraph about the invention of the microwave. (Lesson 4)

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. 

In 1946 Percy LeBaron Spencer invented the microwave oven by accident. He was an engineer for the Raytheon Corporation. One morning, he was in his laboratory. He had a candy bar in his pocket. He was doing an experiment with a magnetron when the chocolate melted. Then he tried another experiment with popcorn. He knew this was an important discovery. Microwave ovens were soon very popular¡