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【单选题】
A) The Secret of a Happy Life. B) The Secret of a Long Life. C) Hunzasof the Himalayas and Their Long Lives. D) TheImportance of a Simple Way of Life.A.
The Secret of a Happy Life.
B.
The Secret of a Long Life.
C.
Hunzas of the Himalayas and Their Long Lives.
D.
TheImportance of a Simple Way of Life.
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反馈参考答案：
举一反三
【判断题】图像人的分辨率是1024*1024,像素深度是8位,图像B的分辨率题1024*512, 颜色总数是65536,则图像B的大小是图像A的大小的一半。
A.
正确
B.
错误
【单选题】More money is needed for the preservation of ______ buildings and monuments.
A.
historic
B.
history
C.
historical
D.
historically
【单选题】---_______ the Internet ___________ in your school? ---Yes, but the computer in our office has broken down.
A.
Is, used
B.
Is, using
C.
Does, use
D.
Has, used
【简答题】(西南交通大学2005年考研试题)如图15—34所示电路中C=100μF，L1=4mH，L2=10mH，us= ，网络N的T参数为 。求电流i1及其有效值、电源us发出的有功功率。
【单选题】More money is needed for the preservation of ______ buildings and monuments.
A.
historic
B.
hiistory
C.
historical
D.
historically
【简答题】当x→0时，下列函数中，与x 2 相比哪些是等价无穷小，哪些是同阶无穷，哪些是高阶无穷小，哪些是低阶无穷小？ (1)x 2 +2x； (2)x 2 +2x 3 ； (3) ； (4)2x 2 +x 3 .
【单选题】— ____ the Internet ____ in your school? — Yes, but the computer in our office has often broken down. [ ]
A.
Is, used
B.
Is, using
C.
Does, use
D.
Has, used
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