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【判断题】
两用物项和技术进出口许可证签发机构是商务部配额许可证事务局和受商务部委托的省级商务主管部门( )A.
正确
B.
错误
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【简答题】In the first quarter of 2011, how many users are active in DHgate?
【简答题】绘制多线的命令是什( ),快捷命令是( )。
【判断题】Many investors expect that the stock markets will experience a slow, steady grind higher in 2011.
A.
正确
B.
错误
【简答题】The New York Times cost $0.15 in 1970 and $2.00 in 2011. The average wage in manufacturing was $3.36 per hour in 1970 and $23.09 in 2011. a. By what percentage did the price of a newspaper rise? b. By...
【单选题】一对标准渐开线圆柱齿轮啮合传动,当齿轮分度圆与节圆不重合并相互分离时时,( )。
A.
啮合角大于压力角
B.
啮合角小于压力角
C.
啮合角等于压力角
D.
啮合角始终不变
【单选题】Amy Chua published a book called Battle Hymn of the Tiger Mother in 2011. Many moms criticized Chua and other Tiger Moms for________.
A.
putting too much pressure on their children
B.
abusing their children
C.
giving their children too much freedom
D.
spoiling their children
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