9 Although the arguments were rational， he was not convinced.
A sensitive B true
C reasonable D persuasive
10 All members of the association adhere to a strict code of practice.
A insist on B stick to
C depend on D add to
11 But ultimately he gave in.
A in the end B surely
C certainly D lately
12 With regard to future oil supplies， the situation is uncertain.
A Judging B Talking
C Concerning D Thinking
13 Mozart showed a particular aptitude for music when he was young
A talent B fondness
C affection D passion
14 They will cut back expenditure on unnecessary items
A stop B continue
C shorten D reduce
15 There is no reason why you shouldnt tell them beforehand that you are leaving
A in advance B ahead
C before long D early
答案：CAABD BADCB ACADA