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【单选题】
硅整流交流发电机中性点的电压为直流输出电压的倍。A.
1/2
B.
1/3
C.
1/4
D.
1
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举一反三
【单选题】It was Professor Smith __________ did the experiment in the lab yesterday evening.
A.
whom
B.
who
C.
what
D.
which
【单选题】It was professor Smith _________ made a wonderful speech at the meeting last week.
A.
where
B.
whose
C.
who
D.
whom
【单选题】Why was Miss Smith late that morning？（）
A.
The bus service was very bad.
B.
It was raining.
C.
She didn’t have a watch.
D.
She wasn’t feeling well.
【简答题】编写摄氏温度、华氏温度转换程序。要求:从键盘输入一个摄氏温度,屏幕就显示对应的华氏温度,输出取两位小数。转换公式:F=(C+32)×9/5 .
【简答题】编写摄氏温度、华氏温度转换程序。要求:从键盘输入一个摄氏温度,屏幕就显示对应的华氏温度,输出取两位小数。转换公式: F= ( C+32 ) ×9/5
【简答题】编写摄氏温度、华氏温度转换程序。要求:从键盘输入一个摄氏温度,屏幕就显示对应的华氏温度,输出取两位小数。转换公式: F= ( C+32 ) ×9/5 。
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