In making a scientific experiment, one should not be _____ by temporary setbacks but should stick to doing it hopefully.
A．cast downB．put awayC．taken inD．put out
A

試題分析：考查動詞短語辨析。句意：在做科學(xué)實驗中，一個人不應(yīng)該因暫時的困難而沮喪，而是應(yīng)該滿懷希望堅持到底。所以答案選A、沮喪，難過。B、放好，拋棄，儲存；C、吸收，明白，收容；D、熄滅，出版。
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