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【单选题】
a有氧运动的训练方法中,适用于所有人群的是()
A.
持续训练
B.
间隙训练
C.
交叉训练
D.
循环训练
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【判断题】Johnsy thought she would die when the last leaf fell.
A.
正确
B.
错误
【单选题】Surprisingly, ____two thirds of the nation voted for his coming to power at a time when the two countries were at war.
A.
not more than
B.
not less than
C.
no less than
D.
no more than
【判断题】Behrman was upset when he heard of Johnsy ’ s fancy. ( )
A.
正确
B.
错误
【单选题】浓度相同的下列物质水溶液的pH最高的是
A.
NaCl
B.
NaHCO 3
C.
NH 4 Cl
D.
Na 2 CO 3
【单选题】You must take everything into _____ when you want to do a difficult task.
A.
observation
B.
regard
C.
count
D.
consideration
【单选题】When Johnsy said she had been a bad girl, she meant that_____.
A.
asking for death was not right
B.
she deserved more severe punishment
C.
she should never forget about her dream.
D.
she was ashamed not to be able to support the other two.
【单选题】浓度相同的下列物质水溶液的pH最高的是
A.
NaCl
B.
NH4Cl
C.
NaHCO3
D.
Na2CO3
【单选题】连接在起落架减震支柱内,外筒之间的防扭臂的作用是:().
A.
限制伸长行程。
B.
防止反跳。
C.
保持正确的轮子方位。
D.
限制压缩行程。
【单选题】前起落架减震支柱内有一对凸轮感受飞机处于空中还是地面状态,它的作用是
A.
在起落架放下后将其锁在放下位
B.
起减摆器作用
C.
飞机离地摆正前轮,使其在中立位置
D.
作为顶起飞机时的支承点
【判断题】如果某企业月初月末均无在产品,则本月为生产该产品发生的全部生产费用就是该产品本月完工产品总成本。
A.
正确
B.
错误
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