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【判断题】
弯曲试验时,如钢材弯曲后外表面无可见裂纹,则说明该钢材弯曲性能合格。
A.
正确
B.
错误
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【简答题】Sports is not only physically challenging, but it can also mentally challenging. Criticism(批评)from coaches(trainers), parents, and other teammates, as well as pressure to win can create too much anxie...
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A.
to make sports less competitive
B.
to make sports more challenging
C.
to reduce their mental stress
D.
to increase their sense of success
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【单选题】Sport is not only physically challenging, but it can also be mentally challenging. Criticism from coaches, parents, and other teammates, as well as pressure to win can create an excessive amount of an...
A.
to make sports less competitive
B.
to make sports more challenging
C.
to reduce their stress
D.
to increase their sense of success
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A.
经胎盘
B.
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C.
经肠道
D.
经脐部
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【单选题】Sport is not only physically challenging, but it can also be mentally challenging. Criticism from coaches, parents, and other teammates, as well as pressure to win can create an excessive amount of an...
A.
to make sports less competitive
B.
to make sports more challenging
C.
to reduce their mental stress
D.
to increase their sense of success
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