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【单选题】
反映钢材均匀变形下的塑性指标是( )。A.
伸长率 B-屈服强度
B.
冷弯
C.
抗拉强度
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举一反三
【简答题】When we stay at a room in a house with central air-conditioning system in summer, we should set the thermostat to a higher level in ______.
【简答题】If you don’t want people to know too much about you, then you had better keep your fridge contents secret, according to a British market research document released last week. Researchers peered (凝视) i...
【简答题】Since you are a little tired，you had better＿＿＿a rest．
【单选题】You don't have to be dead to donate a kidney, but you had better know the risks before you give it up.
A.
Right
B.
Wrong
C.
Not Mentioned
【简答题】You had better give it up. 改为否定句 You had better ------- ------ it up .
【判断题】体内重要的环化核苷酸有 3 ′ ,5 ′ - 环化腺苷酸( cAMP )和 3 ′ ,5 ′ - 环化鸟苷酸( cGMP ) , 不是核酸的组成成分,分别具有放大激素作用信号和缩小激素作用信号的功能,因此称为激素的第二信使。
A.
正确
B.
错误
【单选题】You don't have to be dead to donate a kidney, but you had better know the risks before you give it up.
A.
Right
B.
Wrong
C.
Not mentioned
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