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【简答题】
下面图形中各有几个角？有几个直角？几个锐角？几个钝角？请你写出来？ 共有（ ）个角。（ ）个锐角，（ ）个直 角，（ ）个钝角。
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皮皮学刷刷变学霸
举一反三
【单选题】The author isn't sure whether her aunt and uncle really liked the gift because ______.
A.
the gift was not good enough for them
B.
they had been guided to say they liked it
C.
they were accustomed to tell white lies
D.
they were too polite to hurt her feeling
【单选题】On the morning of December 25 th , children can’t wait ______ their gift boxes.
A.
opening
B.
open
C.
to open
【简答题】影响心脏形成的关键时期是胚胎的
【简答题】One fifth 11-year-old kids still express their unhappiness of the unwanted gift despite their parents'______.
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