2012年公共英语五级词汇巩固练习10

　　16. This is what you should bear in mind： Don‘t ________ a salary increase before you actually get it.

　　A) hang on B) draw on C) wait on D) count on

　　17. The ship‘s generator broke down， and the pumps had to be operated ________ instead of mechanically.

　　A) artificially B) automatically C) manually D) synthetically

　　18. The little girl was so frightened that she just wouldn‘t ________ her grip on my arm.

　　A) loosen B) remove C) relieve D) dismiss

　　19. He never arrives on time and my ________ is that he feels the meetings are useless.

　　A) preference B) conference C) inference D) reference

　　20. Mrs. Smith was so ________ about everything that no servants could please her.

　　A) specific B) special C) precise D) particular

　　答案：BACDB

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