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【单选题】
第 39 题(本题:1分) 下面选项中关于位运算的叙述正确的是A.
位运算的对象只能是整型或字符型数据
B.
位运算符都需要两个操作数
C.
运算的结果总是原操作数据2倍
D.
右移运算时，高位总是补0
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举一反三
【简答题】设函数f(2x)=lnx，则f′(x)=________．
【单选题】听力原文：M: I have to call Jeffery. W: Need help with your car again huh? Q: What does the woman imply? (16)
A.
He needs a ride from Jeffery again.
B.
He relies on Jeffery a lot to get his car fixed.
C.
Jeffery depends too much on him.
D.
Jeffery will sell his car.
【单选题】用爱丁堡产后抑郁量表筛查产后抑郁症的最佳时间是
A.
产后 2 周内
B.
产后 2-6 周内
C.
产后 4-8 周内
D.
产后 6-10 周内
E.
产后 8-12 周
【单选题】下列各式中正确的是(C为任意常数)( )。
A.
∫f'(3—2x)dx=
B.
∫f'(3—2x)dx=f(3—2x)+C
C.
∫f'(3—2x)dx=f(x)+C
D.
∫f'(3—2x)dx= (3—2x)+C
【单选题】听力原文：W：What are you going to do after lunch? M：I told Frank I'd help him fix his car． Q：What did the man plan to do? (16)
A.
Buy Frank a new car.
B.
Have lunch with Frank.
C.
Teach Frank how to drive a car.
D.
Help Frank repair his car.
【单选题】听力原文：W：What are you going to do after lunch? M：I told Frank I'd help him fix his car． Q：What did the man plan to do? (16)
A.
Buy Frank a new ear.
B.
Have lunch with Frank.
C.
Teach Frank how to drive a car.
D.
Help Frank repair his car.
【简答题】Mark is going to Harbin to see the Ice Lantern Exhibition. He is asking Miss Wang to help him to find out about the train timetable. Suppose you are Mark. Complete the following dialogue by putting in...
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