A) hang on B) draw on C) wait on D) count on
2. The ship‘s generator broke down， and the pumps had to be operated ________ instead of mechanically.
A) artificially B) automatically C) manually D) synthetically
3. The little girl was so frightened that she just wouldn‘t ________ her grip on my arm.
A) loosen B) remove C) relieve D) dismiss
4. He never arrives on time and my ________ is that he feels the meetings are useless.
A) preference B) conference C) inference D) reference
5. 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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