第二套

　　Section A

　　1. B) Safety concerns.

　　2. D) It plays an important role in the nation’s economy,

　　3. C) To rescue two sick american workers.

　　4. A) The darkness and cold.

　　5. D) With a full-sized helicopter.

　　6. B ) He has rich experience in flying.

　　7. C ) Do something fun and creative-

　　Section B

　　8. D) To arrange the delivery of a package.

　　9- C) She is not at home-

　　14. B) He will be working somewhere else-

　　15. A) Sign her name,

　　16. B) Study abroad

　　13- C) Rather depressed

　　D) He has to finish an assignment

　　A)Say goodbye to the woman at the airport

　　Section C

　　C) Its height changes with each volcanic eruption.

　　D) They make good fields for farming.

　　B) They feed on certain small mammals.

　　A) He is self-employed.

　　B) Loving the work they do.

　　21- A) It does not come to anything without hard work.

　　C) It evolved in the mid-1970s.

　　C) She hated to see her idling about.

　　A) After she started teaching English.

　　B) It has made her happy and energetic.

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