题目内容

改革创新充满艰辛、奉献甚至牺牲，没有强烈的责任感，很难克服和战胜改革创新过程中的艰难曲折。

A. 对
B. 错

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当今时代，知识更新不断加快，社会分工日益细化，新技术新模式新业态层出不穷。这既为青年施展才华、竞展风采提供了广阔舞台，也对青年能力素质提岀了新的更高要求。

A. 对
B. 错

If the child hadn't been so tired, he _______ asleep so quickly.

A. will not have fallen
B. will not fall
C. would not have fallen
D. had not fallen

_______ more carefully in the class yesterday, she would not make so many mistakes now.

A. If she listened
B. If she listens
C. If she has listened
D. Had she listened

If he had taken my advice, he _______ a scientist now.

A. will be
B. is
C. has been
D. would be