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问题
选择题
比185多398的数是多少?算式是( )
A.185+398
B.398-185
答案
答案:
A
选择题
— I'd like to leave for Hong Kong during Christmas.
— ____, for the exam is coming.
A. Take it easy
B. Don't mention it
C. No problem
D. You'd better not
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单项选择题
下列哪个指标反映级配曲线上土粒分布形状( )
A.曲率系数
B.不均匀系数
C.塑性指数
D.粒径
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