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【多选题】
防雷装置由( )组成。A.
接闪器
B.
引下线
C.
接地装置
D.
感应器
E.
导流装置
手机使用
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反馈参考答案：
举一反三
【单选题】What is a good telephone voice like?
A.
It contains a smile.
B.
It has variety in its expression and tone.
C.
It pronounces words clearly and carefully.
D.
All of the above.
【简答题】基因定位诱变的主要方法有哪几种，它们的原理是什么？
【单选题】From this passage, why is it a good idea for children to learn how to use the telephone?
A.
Children have fun dialing.
B.
Emergencies happen without warning.
C.
Children can wake their parents.
D.
Dialing can help children with their math study.
【单选题】What is a good telephone voice like?
A.
It contains a smile.
B.
It has variety in its expression and tone.
C.
It pronounces words clearly and carefully.
D.
All of the others.
【简答题】基因定位诱变的主要方法有哪几种?它们的原理是什么?
【简答题】I told him that the recital wan for current pupils and because he ________(drop) out he really did not qualify.
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