在测量绝缘前后必须将设备对地放电。_爱下问搜题

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问题判断题

在测量绝缘前后必须将设备对地放电。

答案

参考答案：对

完形填空

完形填空。

Lei Feng is always ready 1__________. Once 2__________ the train station, a woman loses 3___________
ticket. She has 4___________ money for 5___________. She looks very 6___________. When Lei Feng learns
about it, he buys a ticket 7___________ her. The woman thanks 8___________ and asks his name and address.
Lei Feng smiles and 9___________, " My name is a PLA and I live 10___________ China"

( ) 1. A. to help others
( ) 2. A. at
( ) 3. A. she
( ) 4. A. no
( ) 5. A. other
( ) 6. A. happy
( ) 7. A. to
( ) 8. A. he
( ) 9. A. speaks
( ) 10. A. on

B. to help the others
B. in
B. her
B. not
B. the other
B. worried
B. at
B. him
B. tells
B. near

C. help another
C. on
C. he
C. some
C. another
C. worry
C. for
C. his
C. says
C. of

D. help other
D. to
D. his
D. much
D. others
D. happily
D. give
D. he's
D. talks
D. in

问答题简答题

小儿“腮腺炎”对以后的生育有何影响？