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Inmakingascientificexperiment,oneshouldnotbebytemporarysetbacksbutshouldsticktodoingithopefully.A.castdownB.putawayC.takeninD.putout

题目详情
In making a scientific experiment, one should not be _____ by temporary setbacks but should stick to doing it hopefully.
A.cast down B.put away C.taken in D.put out
▼优质解答
答案和解析
A