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问题
选择题
一个梯形的面积是49平方厘米,高是7厘米,上底是4厘米,下底是( )厘米.
A.10
B.5
C.7
答案
答案:
A
选择题
读句子,选择正确的图片。
( ) 1. The monkey was fat, then.
A
( ) 2. —Who are they?
—They are my grandparents.
B.
( ) 3. The boy was naughty, then.
C.
( ) 4. She was short then. But now she is tall.
D.
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单项选择题
顾客只购买某企业的产品或服务的直接动力是他对该企业的产品或服务的()总价值大于总成本。
A.预期
B.结算
C.核算
D.事后
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