题目内容
(请给出正确答案)
[主观题]
There will be more women scientists than men scientists in the future. A.RightB.Wro
There will be more women scientists than men scientists in the future.
A.Right
B.Wrong
C.Not mentioned
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There will be more women scientists than men scientists in the future.
A.Right
B.Wrong
C.Not mentioned
第3题
A.输入直流标称电压为110V,220V;输出标称电压为-48V
B.输入交流标称电压为110V,220V;输出标称电压为-48V
C.直流变换电源装置应为高频开关
第5题
A.输入直流标称电压为110V,220V;输出标称电压为-48V
B.输入交流标称电压为110V,220V; 输出标称电压为-48V
C.直流变换电源装置应为高频开关
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