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【多选题】
Which TWO things does Alice say about the Dolphin Conservation Trust?A.
Children make up most of the membership.
B.
It’s the country’s largest conservation organisation.
C.
It helps finance campaigns for changes in fishing practices.
D.
It employs several dolphin experts full-time.
E.
Volunteers help in various ways.
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【简答题】The old lady w______ why the boy made fun of her.
【单选题】W： Boy, how quickly technology changes! So many people have a computer in their home nowadays. M：_____________
A.
Computers? There are so many computers in the office.
B.
Yes, I know. I feel so behind the time.
C.
But I know a lot of computers.
D.
Yes, I know. Without computer, there would be no Internet.
【单选题】听力原文：M: Why does the boy persist in his troublesome behavior? W: I have been trying to teach him, but he has not enough sense. What do we know about the boy?
A.
The boy is troublesome.
B.
The boy is senseless.
C.
The boy is persistent.
D.
The boy is sensitive.
【单选题】矩形波-锯齿波产生电路如图所示,若希望增大矩形波的占空比,可以( )【图片】
A.
电阻 R W 不变，调节滑动端以增大电阻 R W1
B.
增大电阻RW
C.
电阻RW不变，调节滑动端以减小电阻RW1
D.
减小电阻RW
E.
增大电容C的值
F.
减小电容C的值
【简答题】情景对话。选择后面方框里合适的选项完成对话。 A: (W-woman; B-boy) W: Morning, Boy! B: Morning! W: Can I help you? B: 1_______ W: We have lots of healthy food. 2_______ B: Oh, yes, we do. Father likes tomatoes and salad. 3__...
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