choose the best answer

1. air............,together with litterring, is causing mary problems our cities today

A. pollute B. pollution C. polluting D. polluted

2. water pollution can put negative................on our health

A. contamination B. affects C. effects D.problems

3. A: how can light pollution..............animals?

B: it can make animals change their behavior patterns

A. cause B. make C. affect D. lead

4. all flight to Ha Noi had to be cancelled............the storm

A. as a result B. due to C. because D. so

5. the team's success was largely............to her efforts

A. because B. due C. since D. however

4. Choose the correct answers. 1. Many species of wildlife are becoming extinct, the rainforests are being destroyed. A. therefore B. since C. consequently D. so 2. Hemp can be used to make paper, it could reduce the need for logging. A. consequently B. due to C. so D. since 3. logging provides jobs and profits, the government is reluctant to control it. A. so B. Consequently C. Since D. Due to 4. Hemp was grown throughout history its versatility; it can be used to make many different things. A. due to B. because C. since D. as a result 5. Hemp is related to the marijuana plant; it is illegal in many countries. A. so B. due to C. as a result D. because 6. The polluted chemical waste was dumped into the ocean; , the mass of fish died. A. because B. as C. because of D. consequently 7. It was guessed that the fish died a powerful toxin in the sea water. A. because of B. because C. since D. as a result 8. Many species in BC are threatened logging. A. so B. because C. since D. due to 9. Smoking can heart disease. A. lead to B. create C. causes D. due to 10. Radioactive pollution is increasing the increased use of radioactivity. A. as B. since C. because of D. because

III. Choose the correct option A,B,C or D to complete the sentences.( giup mik )

1Don't drink that water. It's.....................

A.damaged B.dumped C.contaminated D.pollution

2.The team's success was largely..............to her efforts.

A.because B.due C.since D.as

3.While she was dancing, the princess...................a witch.

A.was seeing B.saw C.see D.is seeing

4. If you were the president, what ...........you do to help the enviroment?

A.will B.would C.do D.are

5.When she comes later today , he ....................the dinner.

A.cooks B.is cooking C.will be working D.has cooked

Choose the correct answers:

1. Many species of wildlife are becoming extinct,________ the rainforests are being destroyed.

A. therefore B. since C. consequently D. so

2. Hemp can be used to make paper,_______ it could reduce the need for logging.

A. consequently B. due to C. so D. since

3._________ logging provides jobs and profits, the government is reluctant to control it. A. so B. Consequently C. Since D. Due to

4. Hemp was grown throughout history__________ its versatility; it can be used to make many different things.

A. due to B. because C. since D. as a result

5. Hemp is related to the marijuana plant; _______ it is illegal in many countries. A. so B. due to C. as a result D. because

6. The polluted chemical waste was dumped into the ocean;_____ , the mass of fish died.

A. because B. as C. because of D. consequently

7. It was guessed that the fish died _______a powerful toxin in the sea water.

A. because of B. because C. since D. as a result

8. Many species in BC are threatened _______logging.

A. so B. because C. since D. due to

9. Smoking can______ heart disease.

A. lead to B. create C. causes D. due to

10. Radioactive pollution is increasing _____ the increased use of radioactivity.

A. as B. since C. because of D. because

3. Complete the sentences, using the correct form of the words in brackets. 1. Walking alone late at night can be (danger) . 2. The latest (edit) of this book contains many illustrative pictures. 3. Her younger sister can be (annoy) when she behaves haughtily. 4. You must read the (instruct) carefully before you use the new oven. 5. We were taken aback at the (drama) changes in our village; each home owns a computer now. 6. It is always (interest) to watch the cubs at play. 7. My mother advised me to be careful in my (choose) of friends. 8. The (hot) makes everybody very drowsy during the lesson in class. 9. The couple came here at the special (invite) of the prime minister. 10. Please (low) the volume of your voice. I can even hear you from next door. 4. Choose the correct answers. 1. Many species of wildlife are becoming extinct, the rainforests are being destroyed. A. therefore B. since C. consequently D. so 2. Hemp can be used to make paper, it could reduce the need for logging. A. consequently B. due to C. so D. since 3. logging provides jobs and profits, the government is reluctant to control it. A. so B. Consequently C. Since D. Due to 4. Hemp was grown throughout history its versatility; it can be used to make many different things. A. due to B. because C. since D. as a result 5. Hemp is related to the marijuana plant; it is illegal in many countries. A. so B. due to C. as a result D. because 6. The polluted chemical waste was dumped into the ocean; , the mass of fish died. A. because B. as C. because of D. consequently 7. It was guessed that the fish died a powerful toxin in the sea water. A. because of B. because C. since D. as a result 8. Many species in BC are threatened logging. A. so B. because C. since D. due to 9. Smoking can heart disease. A. lead to B. create C. causes D. due to 10. Radioactive pollution is increasing the increased use of radioactivity. A. as B. since C. because of D. because

I.Viết lại các câu với các từ cho sẵn

1.Jim was absent from class yesterday. He was suffering from a bad cold.(Because of)

2.They decided to move the house. They don’t have to travel a long distance to work.( so as to)

3.In spite of the cold weather, she wasn’t wearing a coat.( Although)

4.Because the rain was so heavy, I couldn’t go to school. (because of)

5.He opened the window. He wanted to let fresh air in.(in order that)

6.I’ve just a CD player, since I want to give it to my daughter for her birthday.( so that)

7.Because of an accident, I was late(As)

8.She failed the University entrance exam because her grades were bad.(Due to)

9.The fish are dead due to the polluted water.(because)

The polluted chemical waste was dumped into the ocean;_____ , the mass of fish died.

A. because B. as C. because of D. consequently

It was guessed that the fish died _______a powerful toxin in the sea water.

A. because of B. because C. since D. as a result

Many species in BC are threatened _______logging.

A. so B. because C. since D. due to

Smoking can______ heart disease.

A. lead to B. create C. causes D. due to

Radioactive pollution is increasing _____ the increased use of radioactivity.

A. as B. since C. because of D. because