27．We　　 　writing a letter of complaint to the manager himself．But we'd like to hear your opinion first．

　　　 A．have been thinking of 　　　　　　　　 B．had thought of

　　　 C．were thinking of　　　　　　　 　 D．thought of

26．If you let challenges and difficulties benefit　　　　 　depress you, much more can be accomplished than you thought possible．

　　　 A．more than 　　　 B．rather than　 　 C．less than 　　　　 D．other than

25．No decision　　　 　about the holding of the conference until all the related factors have been taken into consideration．

　　　 A．will be made　 　　　　　　　　　　　　　　　 B．is made　 　　　 C．has been made 　 D．is being made

24．He didn’t put the things where they belonged, in 　　　　　case everything was out of order．

　　　 A．that　　　　　　　　　 B．what　　　　　　　　 C．whose　　　　　　　 D．which

23．--- Is Bob still working in your school?

　　 --- I’m afraid not．He is said 　　　　and 　　　in a private school recently．

　　　 A．to resign; to teach　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B．to have resigned; to teach

　　　 C．to resign; to be teaching　　　　　　　 D．to have resigned; to be teaching

22．The idea for the new plan came to his mind, 　　　　to his experiment in the lab．

　　　 A．while devoting　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B．while devoting himself

　　　 C．while he was devoted　　　　　　　　　 D．while devoted

第一节：语法和词汇知识(共l5小题；每小题l分，满分l5分

21．There is a 　　　　　need to get food and blankets to the earthquake victims．

　　　 A．desperate　　　　 B．depressed　　　　 C．badly　　　　　　　 D．very

22．已知数列。

(1)，求证：数列为等差数列并求数列；

(2)令，试比较的大小。