Đề kiểm tra 15 phút Tiếng Anh lớp 8 Unit 3 i-Learn Smart World

Đề kiểm tra unit 3 lớp 8 i-Learn Smart World có đáp án

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Đề kiểm tra 15 phút tiếng Anh 8 unit 3 Smart World số 1

Complete the sentences using the words in the boxes.

health  ; wildlife ; cause ; disease ; land ; damage

1. Water pollution can ________ marine life.

2. Many human activities can harm ____________.

3. Fruit and vegetables cannot grow on polluted _______________.

4. Air pollution can affect the __________ of people and animals.

5. A rare ________ is now killing many farm animals in the countryside.

6. Water waste from homes, plants and farms can ______ water pollution.

Read the conversation. Circle the correct options.

Mia: What are your going to do next week, Ben?

Ben: If I (1) have/ will have time, I plant/ will plant some trees in my neighborhood.

Mia: What do you do that for?

Ben: To reduce air pollution.

Mia: What (2) happen/ will happen if there are/ will be more trees?

Ben: Well, if we (3) grow/ will grow more trees, they help/ will help reduce air pollution. And if the
air we breathe (4) becomes/ will become clean, it be/ will be good for our health.

Mia: Great! If I (5) complete/ will complete my homework on time, I join/ will join you.

Ben: Great! We can do something helpful for our community that way.

Rewrite the following sentences without changing their meaning. Use the given word(s) if any.

1. Those are environmentally-friendly products. (TO)

→ Those products  ____________________________________

2. Preventing environmental pollution is our responsibility.(FOR)

→ We are  ____________________________________

3. To have a healthy lifestyle, we should exercise a lot. (THAT)

→ We should ____________________________________

Đề kiểm tra 15 phút tiếng Anh 8 unit 3 Smart World số 2

Choose the option that best completes the following sentence.

1. Governments should prevent people ______________ cutting down trees in the forests.

A. with

B. from

C. on

D. into

2. Everybody should work together to keep the environment ______________.

A. polluted

B. unpolluted

C. pollution

D. polluting

3. We should send these used cans and bottles to ______________ centers.

A. recycling

B. recycled

C. recycle

D. recycles

4. Jane: What about putting more trash cans on the streets?
Mary: ______________.

A. I dislike trash cans.

B. Oh, that’s for recycling.

C. Let’s recycle!

D. That’s a good idea.

5. Green forests provide more spaces ______________ animals and birds.

A. with

B. for

C. into

D. onto

Read the text again. Choose the best answers. (5 questions)

Air pollution is a big problem in big cities. Evidence shows that air pollution may cause serious health problems for humans and animals. We will get more health problems if we do not lower the air pollution levels. There are some simple actions we can take to reduce air pollution.

First, get familiar with bus or train routes in your city and start to replace your motorbike travel with a bus trip at least once a week. The frequent use of public transportation can help reduce emissions that cause air pollution. You can even walk or bike for short distances.

Second, try to use less packaging. Factories can badly affect air quality when producing plastic, foil and cardboard for packaging. Whatever you are shopping for, remember to choose items with as little packaging as possible. If you have no choice, go for recyclable packaging.
Another good way to reduce air pollution is to manage your household waste. Reusing, recycling and composting can help reduce a significant amount of garbage. That means that less garbage will end up in landfills which are major sources of air pollution.

1. What is the best title for the text?

A. How bad is air pollution in big cities?

B. What causes air pollution in big cities?

C. How can people solve a health problem?

D. What can people help to reduce air pollution?

2. Which word has the OPPOSITE meaning to the word reduce in text?

A. cut

B. lower

C. increase

D. decrease

3. Which word has the CLOSEST meaning to the word routes in text?

A. trips

B. ways

C. stops

D. stations

4. According to the text, which is NOT a suggestion for reducing air pollution

A. using plastic packaging

B. recycling home garbage

C. using public transportation

D. choosing recyclable packaging

5. Which is TRUE about the landfills in paragraph 4?

A. They cause air pollution.

B. They help manage household waste.

C. They are places for recycling household waste.

D. They have a large capacity for garbage.

Đề kiểm tra 15 phút tiếng Anh 8 unit 3 Smart World số 3

Choose the option that best completes the following sentence.

1. Jane: What about putting more trash cans on the streets? Mary: _____________.

A. I dislike trash cans.

B. Oh, that’s for recycling.

C. Let’s recycle!

D. That’s a good idea.

2. Green forests provide more spaces __________ animals and birds.

A. with

B. for

C. into

D. onto

3. The Friends of the Beach is organizing a campaign to clean ______________ the Front Beach.

A. up

B. with

C. from

D. of

4. A lot of people ______________ trash into rivers and make the water polluted.

A. throw

B. pass

C. shoot

D. kick

5. One of the main ______________ of water pollution is waste which is pumped into rivers, lakes and seas.

A. effects

B. causes

C. damages

D. results

Read advice from a website about the environment. Choose the best word or phrase for each space. 

How can we save the planet?

This is a very difficult question. We certainly need national and local governments to spend money on big projects. But every one of us should help every day. Here are a few problems and some solutions.

• Water pollution is a very big problem. If dirty water gets into rivers, it can cause problems for fish. If people eat the fish, they may catch (1)___________. If you see dirty water going into a river, tell your local government. We should all help to (2)___________ our freshwater.

• We must try to (3)___________ the amount of plastic which we use. Use the same bag again and again when you go shopping.

• Trash looks horrible in parks and open spaces, but it is also dangerous. It can kill (4)___________ if it contains things which poison animals, and animals can die if they eat plastic, glass, or metal. Take your trash home!

• Also, try to make less food trash! Did you know that 33% of all food around the world goes into trash cans? Don’t buy too much food and then (5)___________ a lot of it.
We can save the planet, day by day!

1. A. damages          B. diseases         C. harm                 D. hurt

2. A. protect              B. provide            C. prevent             D. produce

3. A. recycle              B. reduce            C. reuse                D. repair

4. A. soil                    B. lands               C. wildlife             D. forests

5. A. use                   B. save                 C. keep                D. waste

Rewrite the following sentence without changing its meaning. Use the given word(s) if any.

1. Exercise regularly and you will be fit and healthy. (IF)

→ You will  ____________________________________________

2. I am saving money. I can buy a new car in three years. (SO THAT)

→  __________________________________________________

3. Taylor will not forgive him if he doesn't apologize. (UNLESS)

→ __________________________________________________

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