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【单选题】
阿基米德利用()算出球面积、球提及、抛物线等内容。A.
逼近法
B.
割圆术
C.
等量代换法
D.
实测法
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反馈参考答案：
举一反三
【单选题】Despite decades of scientific research, no one yet knows how much damage human activity is doing to the environment. Humans are thought to be responsible for a whole host of environmental problems, ra...
A.
Global warming.
B.
Ozone depletion.
C.
Species extinction.
D.
All of the above.
【简答题】A．Ho has not been to the new restaurant yet. B．He would like to go to the new restaurant with the woman. C．The food at the new restaurant is not very good. D．A restaurant's atmosphere is very importan...
【单选题】—The meeting is about to start, yet the speaker hasn’t turned up. — No one knows ____.
A.
what the matter is
B.
what is the wrong
C.
what is the matter
D.
how matter stood
【单选题】Nobody yet knows how long and how seriously the ______ in the financial system will drag down the economy.
A.
shallowness
B.
shakiness
C.
scantiness
D.
stiffness
【单选题】Nobody yet knows how long and how seriously the shakiness in the financial system will ______ down the economy.
A.
settle
B.
knock
C.
put
D.
drag
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