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【简答题】
有一照明线路,电源端电压为220V,负载电流为100A,线路的总电阻为0.2Ω,那么负载端电压为 V。
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【简答题】May I have you attention please? I have a little things to tell you. When you have a class here in the language lab, please be here a little early. Change your shoes before enter the lab. Don't bring ...
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B.
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C.
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D.
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【单选题】The most basic unit of data on a computer is the _______.
A.
bit
B.
int
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file
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A.
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B.
the
C.
a
D.
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【单选题】Nephrons are the most important working unit of the kidney because
A.
they are exceptionally long and slender
B.
they are amzingly efficient in draining away water
C.
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D.
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【单选题】Genetic Engineering Genetic engineering began when the DNA molecule (分子), the most basic unit of life, was first described in 1953 by James Watson and Francis Crick. An understanding of DNA led to the...
A.
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the human growth hormone
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insulin resistance
D.
U. S. Supreme Court rulings
【简答题】Please preview the new words and phrases in Text A of Unit 1, write the correct word according to the following English explanation: 请大家预习 Unit1 A 课文中的新单词和短语,根据下面的英文释义写出对应的词和短语。 the most basic part of...
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