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【单选题】
对于图根闭合导线,各边X坐标增量总和与Y坐标增量总和理论值应( )A.
等于零
B.
大于零
C.
小于零
D.
无法确定
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反馈参考答案：
举一反三
【单选题】听力原文：M: Would you mind opening the window? W: No, of course not, but Lucy has a headache. Q: What is the woman going to do for Lucy's sake? (3)
A.
Keep the window closed.
B.
Open the window.
C.
Go to see a doctor.
D.
Send Lucy to hospital.
【简答题】Lucy, do you mind _____(switch) off the radio?
【单选题】– Lucy, do you mind if I close the window? -- ______________
A.
Yes, of course not.
B.
No, go ahead.
C.
Yes, go ahead.
【单选题】---Lucy doesn’t mind lending you her dictionary. ---I think she doesn’t, but I ________do so. I’ve already borrowed one.
A.
needn’t
B.
mustn’t
C.
can’t
D.
shouldn’t
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