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【单选题】
设【图片】在【图片】的某个邻域内有定义，则【图片】在【图片】处可导的一个充分条件是( )A.
存在；
B.
C.
D.
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举一反三
【单选题】Moon cakes, ________the moon, are round. [ ]
A.
look like
B.
looks like
C.
like
D.
likes
【简答题】A．To gather under the moon, drink tea and eat moon cakes. B．To honor their ancestors and their mother country. C．To enjoy the full moon at night in August. D．To have family get together.
【单选题】Moon cakes used to be _____ when people went outside to admire the fair moon.
A.
the snack
B.
the gift to exchange
C.
the sacrifice offered to the moon
D.
the symbol of the moon
【简答题】肺癌最常见的病理类型是 （ ）
【简答题】296÷39，把39看做（ ）试商。
【单选题】What's the original use of moon cakes?
A.
Sacrificial offerings during the moon ceremony.
B.
A symbolic food during the moon festival.
C.
A gift sent to friends during the moon festival.
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