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【单选题】
os模块中的mkdir方法用于创建 () 。A.
文件
B.
文件夹
C.
文件名
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举一反三
【单选题】In the author's opinion, we should thank a dream because ____________
A.
it makes us enjoy a different life
B.
we can avoid terrible things in real life
C.
we can experience various emotions in dreams
D.
it can help us regain the innocent moments of life
【简答题】顽痰胶结者最宜用()
【单选题】We have received your letter of September 12, ______ we are glad to know that you are interested in our electric heaters.
A.
which
B.
at which
C.
from which
D.
in which
【简答题】We shall be glad to receive you offer ______ walnut meat, shipment, ______ September/October ______ transshipment at Hongkong.
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