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A.signal
B sign
C.sigh
D.assign

A.signal
B
B.sigh
D.assign

【参考答案】

B
sign意为“标志”,这里是当动词使用。
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根据下列文章,请回答 1~20 题。TextGenerations of Americans have been brought____26to believe that a good breakfast is important for health. Eating breakfast at the____27of the day, we have all been28,is as necessary as putting gasoline in the family car ____ 29starting a trip.But for many people the thought of food first in the morning is by ____ ____30pleasures. So ____ 31 all the efforts, they still take no ____ 32. Between 1978 and 1983, the latest years for which figures are ____ 33, the number of people who didn' t have breakfast increased ____ 3433 percent--from8.8 million to 11.7 million____35the Chinese hased Market Research Corporation of America.For those who feel pain of____ 36about not having breakfast, ____37, there is some good news. Several studies in the last few years ____ 38that, for adults especially, there may be nothing ____ 39with omitting breakfast. 'Going ____ 40breakfast does not affect ____41. 'Said Arnold E. Bendoer, former professor of nutrition at Queen Elizabeth College in London,____42does giving people breakfast improve performance.___43evidence relating breakfast to better health or___44 performances is surprisingly inadequate, and most of the recent work involves children, not___45'The literature,' says one researcher, Dr. Ernesto Pollitt at the University of Texas, 'is poor. '第 1 题