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【判断题】
Python字典中的“键”可以是。A.
正确
B.
错误
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【单选题】Rita _________two hours every Sunday afternoon to spend with her son.
A.
sets out
B.
sets away
C.
sets aside
D.
sets off
【简答题】Two sets A and B are said to be equal (or identical) if they consist of exactly the same elements, in which case we write A = B.
【单选题】He ______ a sum of money every month to help the two orphans.
A.
sets aside
B.
sets up
C.
sets along
D.
sets in
【简答题】“All I could see was two sets of red eyes below me,” said Dave Gatty, an Australian farmer who spent seven days up a tree in remote bush land to escape crocodiles. Gatty, 52, said he was forced to tak...
【多选题】下列关于岩石主要物理性质的说法正确的有（ ）。
A.
常见的岩石的比重一般介于2．4～3．3之间
B.
岩石的比重在数值上等于岩石固体颗粒的重量与同体积的水在8。E时重量的比
C.
岩石孔隙度的大小，主要取决于岩石的结构和构造，同时也受外力因素的影响
D.
软化系数小于0．5的岩石，是软化性较强的岩石，工程性质比较差
E.
黏土矿物含量高、孑L隙度大、吸水率高的岩石，与水作用容易软化而丧失其强度和稳定性
【简答题】I
have two TV sets but ______ of them is in good condition.A. both . B. none C. neither D. every
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