es.1 pag.31

A: Chemistry

B: Archaeology

C: Ecology

D: Geology

E: Marin biology

F: Physics

 

Es.2 pag.31

1. What does the girl want to study in the future? Photo C
2. The girl and the boy have both seen one of the documentaries. What was it about? Photo D

Es. 3 pag. 31

1. A chemist find way to make chemicals useful to society.
2. An ecologist studies ways of protecting the environment.
3. A geology studies rocks and the history of the earth
4. A physicist asks ‘big’ questions about the laws of nature.
5. An archaeologist studies people who lived thousands of years ago.
6. A marine biologist studies, observes and protects marine life.

Es. 4 pag. 31

1. Wants to discover new things  that help people.
2. Wants to find solutions to nature’s problems.
3. Wants to find answers to important questions.
4. Wants to study our prehistoric ancestors.
5. Wants to explore oceans and preserve the ocean environment.

E..5 pag.31

6. Who wants to collect evidence about global warming? Speaker 5 did.
7. Who wants to make new discoveries and find new cures? Speaker 1 did.
8. Who loves doing experiments and analyzing data? Speaker 3 did.
9. Who spent hour in Egyptian room in the Louvre? Speaker 4 did.
10. Who is doing research into climate change? Speaker 2 did.

 

Es.6 pag.31

SUBJECT: biologist, ecologist, geologist, scientist.

JOB: chemistry, physics.

Es. 7 pag. 31

NOUN: evolution, solution.

VERB: to explore, to imagine, to observe, to preserve, to protect.

 

 

Es.1 pag.34.

Cars are different now, they are bigger and faster.

People don't use the home telephone to call their friends, they use social media..

People don't have type writers now, they use computers.

People don't use polaroid now, they use their mobiles to take pics.

 

Es.2 pag-34 

1. He used to phone people from the phone in sitting room. T
2. He used to send text messages. F
3. He didn’t use to live near his friends. F
4. His mum didn’t use to like the loud music in his bedroom. T
5. His parents bought him a camera for his sixteenth birthday. T
6. He used to have five or six good friends. T

 

Es.4 pag.34

People didn't use their cars much, but now they drive everywhere.

People update their online profiles now, but they used to write letters.

Children play inside now, but in the past they used to play outside.

Teachers used to suggest books, but now they give out website addresses.

Families used to watch tv together, but now they watch it individually.

Students use Google now, but they used to look up things in encyclopedias.

Parents didn't use to worry so much, but now they give children less freedom.

 

Es.5 pag.34

My parents used to take me to school every day.

I didn't use to go online much.

I didn't use like school dinners.

I used to want to be an astronaut.

 

Es.6 pag.34

Did you use to go online much?

No, I didn't

Did you use to like school dinner?

No, I didn't

Did you use to want to be an astronaut?

Yes, I did

 

Es.1 pag.38

1. Can you help me? I don’t know how to fix a problem with a computer.
2. The instructions say I must click on a icon, but I can’t see it.
3. I go online every day to read the news and answer emails.
4. I usually get home very late, so I’m often tired.
5. He visits a website about cars once a week to check the prices.
6. Open the text document and complete it.

 

 

Es.2 pag.38

1. The developing of advanced computers has taken very little time.
2. To contact Tom, I often use our favourite social network site.
3. This information is from 2012. Why don’t they date their website?
4. After years of work, the scientist made an important discovering.
5. Use your imagination and you will write something creative.
6. He works as a scientist in a laboratory.

 

Es. 3 pag. 38

1. The first moon landing was in 1969.
2. Ten years ago my brother stilled to study at university.
3. Mabel found some keys on the pavement yesterday.
4. I had my first lesson last week.
5. I was talking on my mobile phone when my mum asked me a question.
6. What did you do this time last year.

 

Es. 4 pag. 38

1. Did he use to live here before moving to Oxford?
2. She didn’t go shopping yesterday.
3. I didn’t use to like spicy food. Now I love it.
4. We did a lot of exercise last weekend.
5. Did you use to ride bike to school?
6. Did she buy a laptop las year?

 Es. 5 pag.38

1. When my brother got his first job, he was studying. B
2. Can you help me find a solution on my problems? C
3. A: When I was a child, I was in a serious car accident and I spent a month in hospital.
   B: That sounds frightening!
4. I had an accident in the mountains, but fortunately, I managed to phone for help. B
5. I haven’t sent my homework to my teacher by email five years ago. B

Es.6 pag.38

1. Hang
2. On
3. Carry
4. Follow
5. Out
6. Get