2.　　　 1).The wind is strong enough to move sand dunes.

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2).To prevent it from coming nearer, the government is planting trees.

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3).It’s frightening to be cycling to work in a sandstorm.

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4). To have been caught in a sandstorm was a terrible experience.

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5).He is considered to have invented the first computer.

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6). There is nothing to be done.

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1.　　　 Translate the following sentences and pay attention to the different types of infinitives, then give the summary of them, according to the following form.　

1. The wind is sometimes strong enough__________(move) sand dunes.

2. _________ (catch) in a sandstorm would be a terrible experience.

3. It is frightening________________(cycle) in a sandstorm.

4. Sandstorms in China appear __________________(increase) in recent years as a result of “desertification”.

5. Sandstorms make it difficult________(see).

6. So experts advise people not to go out in the sandstorms. ____________ (prevent) it coming nearer, the government is planting trees.

10．　　　　　　 Thanks to hard work, he _______(success,　 succeed, successful)in working out the problem.

Answers　 1. taste　 2. ripe　 3. examination　 4. refuel　 5. economy　 6. comfortable　 7. fasten　 8. conduct　 9. hopeless　 10. succeeded

9．　 Many people have trouble in finding jobs, so that many of them become ______(hope, hopeless) in life.

8．　 Most metals ______electricity very well.(conduct , conductor )

7．　 Car drivers should always ______their seat-belts. (fast, fasten)

6．　 The new maglev train that connects the city of Shanghai with Pudong Airport is both fast and _____ .(comfort, comfortable)

5．　 Science is of great help in developing the ______(economy,　 economic)

4．　 After a whole morning’s sports activities, we need to _____for the rest of the day.(fuel , refuel)