9. The coastal area has very mild winter, but the central plains remain extremely cold.

　　A. warm                               B.severe

　　C.hard                                D.dry

　　答案为A. mild(温暖的) – warm(温暖的)

　　10. The details of the costume weretotally authentic.

　　A. real                               B.outstanding

　　C.creative                            D. false

　　答案为A. authentic(逼真的)– real (逼真的)

　　11. We are aware of the potential problems.

　　A.global                              B. possible

　　C.ongoing                             D. central

　　答案为B. potential(可能的)-possible(可能的)

　　12. The idea was quite brilliant.

　　A.positive                          B. clever

　　C.key                               D. original

　　答案为B. brilliant(绝妙的)– clever (聪明的)

　　13. Stock market price tumbledafter rumor of a rise in interest rate.

　　A.regulated                            B. increased

　　C. fell                                D.maintained

　　答案为C. tumbled(暴跌) –fell(下降)

　　14. The course gives you basic instructionsin car maintenance.

　　A. coaching                         B. idea

　　C.term                              D. aspect

　　答案为A. instructions (指导说明)—coaching（教导）

　　15. All houses within 100 metres of theseas at risk of flooding.

　　A. in danger                      B. out of control

　　C.between equals                  D. in particular

　　答案为A  in danger of （处于危险中）— at risk of （处于风险中）