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【判断题】
已知当前文件夹中有一个文件readme.txt具有只读属性,假设标准库os已正确导入,那么可以通过语句os.chmod('readme.txt', 0o777)来删除该文件的只读属性。A.
正确
B.
错误
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举一反三
【简答题】在盛费林试剂的试管内,加甲醛溶液数滴,水浴加热数分钟,放冷,试管底部出现_____________。费林试剂的主要成分是_____________(写化学式)。
【单选题】Members in the culture of high _______ have a lower tolerance for uncertainty and ambiguity.
A.
uncertainty avoidance
B.
norms
C.
power distance
D.
collective
【单选题】The jury in the High Court of New Zealand is composed of ______ members．
A.
18
B.
16
C.
14
D.
12
【单选题】By mentioning the high price of cast members shoes, the author intends to______.
A.
prove the formality of management of Scottish Opera
B.
compliment the skill of the shoes designer
C.
provide another possible reason of Scottish Opera's bad financial status
D.
emphasize the high expense of Ring Cycle
【单选题】The jury in the High Court of New Zealand is composed of ______ members.
A.
12
B.
14
C.
16
D.
18
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