皮皮学,免费搜题
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【单选题】
血液中激素含量很低,但其生物学作用十分显著的原因是:
A.
激素作用的特异性强
B.
激素间有相互协同作用
C.
细胞内有生物放大系统
D.
激素随血液分布全身
E.
激素半衰期长
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举一反三
【单选题】If I had time, I _____ to New York.
A.
will go
B.
would go
C.
have to go
D.
can go
【单选题】If I had time, I _____ to New York.
A.
will go
B.
would go
C.
go
D.
gone
【单选题】对能量代谢率影响最为显著的是
A.
寒冷
B.
高温
C.
精神活动
D.
肌肉活动
【单选题】关于地下水含水层中渗透速度与实际流速之间关系说法正确的是( )。
A.
渗透速度等于实际速度
B.
渗透速度小于实际流速
C.
渗透速度大于实际流速
D.
渗透速度与实际流速无关
【单选题】据记载,最早建筑长城的诸侯国是____。
A.
秦国
B.
燕国
C.
楚国
【简答题】Complete the sentences with the appropriate verb form. If I have time, I will write some letters. If I had time, I _____ some letters. If I had had time, I _____ some letters.
【判断题】If I had time, I shall see the new film.
A.
正确
B.
错误
【简答题】绘图时坐标输入最快捷的方式是 。
【单选题】If I had time, I ___French.
A.
will study
B.
would study
C.
shall study
D.
would have stuied
【单选题】If I had time()see that new movie at the University Theatre.
A.
I’ll
B.
I may
C.
I’d