What does the author think about trying to find weaknesses in other people's research
A. It should only be attempted by experienced researchers.
B. It may cause researchers to avoid publishing good work.
C. It is currently being done to excess.
D. It can be useful in planning future researc
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The following qualifications are required from the candidates for the above position.
A. 我们要求应聘高职位的求职者需具备以下资历。
B. 应聘以上职位，需具备下列资格。
C. 候选人为了高职位要求自己具备以下资历。
D. 以下资历是对应聘此职位的候选人的要求。
The phrase "impinge on" most probably means ______.
A. promote
B. rely on
C. have an impact on
D. block
China is one of the earliest cradles of civilization and the visit to this ancient civilization has long been my dream.
A. 中国是较早的文明发源地，访问它是我的夙愿。
B. 中国是较早的文明摇篮之一，在我的脑海中曾经浮现过这个古代文明。
C. 中国是很早的文明发源地，我梦中曾经游览过这个古代文明。
D. 中国是最古老的文明摇篮之一，访问这个文明古国是我多年梦寐以求的愿望。
The first day he did not have his lunch because he did not ______.
A. feel well
B. know the time for lunch
C. hear the lunch bell
D. have the money
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