—Excuse me. Is the library open all day?

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问题选择题

— . Only from 9 a.m to 4 p.m.[ ]

A. Yes, of course

B. That's right

C. Sorry, I'm afraid not

D. Sorry, I'm not sure

答案

答案：C

选择题

Einstein like Bose’s paper so much that he ____ his own work and translated it into German.

A．gave off

B．turned down

C．took over

D．set aside

单项选择题

初充电的蓄电池对最后一次放电检查时，大修后的容量不得低于额定容量的（）

A.90%

B.75%

C.60%

D.65%