Nobody knows how long and how seriously the shakiness（不稳定） of big businesses will （） down the economy.

单项选择题I tried very hard to persuade him to join our group but I met with a flat（）

A.accept
B.agree
C.refusal
D.decline

单项选择题Our department（）courses in several foreign languages.

A.accepts
B.considers
C.offers
D.takes

单项选择题She had clearly no（）of doing any work, although she was very well paid.

A.tendency
B.foundation
C.intention
D.belonging

单项选择题Many students found the book （）;it provided them with a large amount of information on the subject.

A.informative
B.confusing
C.distracting
D.amusing

单项选择题Mr. Sanders has been asked to（）the next meeting of the committee.

A.manage
B.chair
C.listen
D.think

单项选择题I could not persuade him to accept it,（）make him see the importance of it.

A. if only I could not
B. or I could not
C. not more than I could
D. nor could I

单项选择题I just managed to（）a quick breath before I was pulled under the water by the passing boats.

A.load
B.gain
C.take
D.escape

单项选择题Inquiries（）the condition of the patients may be made personally or by telephone.

A.revealing
B.concerning
C.affecting
D.following

单项选择题We forgave her anger because we knew that her father's illness had put her under great （）

A.shelter
B.crisis
C.stress
D.nervousness

单项选择题An explosion is a sudden increase in amount（）

A.rapid burning causes it
B.to be cause dby rapid burning
C.causing it'burningtoberapid
D.caused by rapid burning