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【单选题】
电压负反馈调速系统是通过稳定直流电动机电枢电压来稳定转速的目的,其原理是电枢电压的变化与()。
A.
转速的变化成正比
B.
转速的变化成反比
C.
转速的变化平方成正比
D.
转速的变化平方成反比
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举一反三
【单选题】If what you are teaching doesn’t _____ to your students, your students will gradually lose interest in it.
A.
attract
B.
inspire
C.
appeal
D.
interest
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【简答题】阅读理解 Some students are talking about the schools of the future. Riddih Shah,10:Students will use computers and e-textbooks. E-textbooks will be like a disk (硬盘). So instead of carrying lots of heavy t...
查看完整题目与答案
【单选题】I didn't _________ to take a taxi but I had to as I was 1ate.
A.
assume
B.
suppose
C.
mean
D.
hope
查看完整题目与答案
【多选题】中国人讲究药食同源,葫芦籽作为一味药材,具有( )等的药用价值。
A.
降血脂
B.
缓解脾胃虚寒
C.
降血压
D.
以上都对
查看完整题目与答案
【单选题】When you finish reading this book, you will have _ better understanding of _ life.
A.
a, the
B.
the, a
C.
/, the
D.
a, /
查看完整题目与答案
【单选题】Wrong attitudes of teachers about readers will often bear the result that students will______.
A.
completely stop reading
B.
have to learn to read on their own
C.
give up reading to other tasks
D.
only read for more important things
查看完整题目与答案
【单选题】—Shall we have a drink when you finish your talk? — . [     ]
A.
No,you can't
B.
All right
C.
You're welcome
D.
You needn't do that
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【判断题】胶囊剂将药物与外界隔开,因此,胶囊剂质量受温度与湿度的影响不大,保持时对包装材料的密封性要求不高。
A.
正确
B.
错误
查看完整题目与答案
【单选题】When you finish reading the book. you will have ______ better understanding of ______ life.
A.
a; the
B.
the; a
C.
/;the
D.
a;/
查看完整题目与答案
【单选题】Daming didn’t take a photo in the museum. I didn’t,  _______
A.
too
B.
also
C.
either
D.
as well
查看完整题目与答案
相关题目：
【单选题】If what you are teaching doesn’t _____ to your students, your students will gradually lose interest in it.
A.
attract
B.
inspire
C.
appeal
D.
interest
查看完整题目与答案
【简答题】阅读理解 Some students are talking about the schools of the future. Riddih Shah,10:Students will use computers and e-textbooks. E-textbooks will be like a disk (硬盘). So instead of carrying lots of heavy t...
查看完整题目与答案
【单选题】I didn't _________ to take a taxi but I had to as I was 1ate.
A.
assume
B.
suppose
C.
mean
D.
hope
查看完整题目与答案
【多选题】中国人讲究药食同源,葫芦籽作为一味药材,具有( )等的药用价值。
A.
降血脂
B.
缓解脾胃虚寒
C.
降血压
D.
以上都对
查看完整题目与答案
【单选题】When you finish reading this book, you will have _ better understanding of _ life.
A.
a, the
B.
the, a
C.
/, the
D.
a, /
查看完整题目与答案
【单选题】Wrong attitudes of teachers about readers will often bear the result that students will______.
A.
completely stop reading
B.
have to learn to read on their own
C.
give up reading to other tasks
D.
only read for more important things
查看完整题目与答案
【单选题】—Shall we have a drink when you finish your talk? — . [     ]
A.
No,you can't
B.
All right
C.
You're welcome
D.
You needn't do that
查看完整题目与答案
【判断题】胶囊剂将药物与外界隔开,因此,胶囊剂质量受温度与湿度的影响不大,保持时对包装材料的密封性要求不高。
A.
正确
B.
错误
查看完整题目与答案
【单选题】When you finish reading the book. you will have ______ better understanding of ______ life.
A.
a; the
B.
the; a
C.
/;the
D.
a;/
查看完整题目与答案
【单选题】Daming didn’t take a photo in the museum. I didn’t,  _______
A.
too
B.
also
C.
either
D.
as well
查看完整题目与答案