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【多选题】
条形码常见的码制有( )A.
EAN
B.
UPC
C.
标准39码
D.
库德巴码
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反馈参考答案：
举一反三
【单选题】Victims, ________ in the news, who are infected with H7N9 have come up to 28.
A.
is reported
B.
reported
C.
reporting
D.
which reports
【单选题】关于重合断面图的说法错误的是( )。
A.
直接将断面图按形成左侧投影或水平投影的旋转方向重合画在基本投影图轮廓内称为重合断面图
B.
重合断面图的比例应与基本视图一致
C.
断面轮廓线规定用细实线
D.
需要进行任何标注
【单选题】It is reported that the scientists in our country are_______all possible way to control H7N9 flu.
A.
operating
B.
solving
C.
exploding
D.
exploring
【单选题】It is reported that _______ people in the world are suffering from the H1N1 flu.
A.
ten thousand of
B.
ten thousands
C.
thousands of
D.
ten thousands of
【单选题】It is reported that people in the world are suffering from the H1N1 flu.( 泰安 )
A.
several thousands of
B.
ten thousands
C.
thousands of
D.
thousands
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