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问题 判断题

对于二进制数A（A3A2A1A0）和B（B3B2B1B0），如果A3＞B3，则A＞B。

答案

参考答案：对

单项选择题

人工负压吸引术适用于孕龄为()

A．10周内

B．11周内

C．12周

D．16周

E．以上都不是
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选择题
With efforts _______ conservation, we may believe that people enjoy a healthy life without the environment around them ________.
A．focused on; sufferingB．focusing on; suffering
C．focused on; being sufferedD．focusing on; suffered
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