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【单选题】
若 则x的取值范围是 [ ]A.
B.
C.
且
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举一反三
【简答题】请翻译下列句子(核心词power): A car needs a lot of power to go fast. The fourth power of three is eighty-one. Streams and watell are suitable for the development of hydroelectric power.
【单选题】•Thermodynamic considerations show that an ideal thermal radiator, or blackbody, will emit energy at a rate proportional to the fourth power of the absolute temperature of the body and directly propor...
A.
热力学, 黑体
B.
散热器，黑体
C.
黑体，散热器
D.
热力，散热器
【简答题】Write, compile, and execute a C program that calculates and returns the fourth root of the number 81.0, which is 3. ( Hint : The fourth root of a number can be obtained by raising the number to the 1/...
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