垂直埋入地下的局部接地极管，其导线要采用焊接工艺，焊接长度为_爱下问搜题

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问题单项选择题

垂直埋入地下的局部接地极管，其导线要采用焊接工艺，焊接长度为（）。

A.大于40mm

B.大于60mm

C.大于80mm

D.大于100mm

答案

参考答案：D

选择题

下列词语中加点的字，读音全都正确的一组是（）

A．饿莩（piǎo）荷蓧（hè tiáo）莞尔（wán）追本溯源（sù）

B．栏厩（jiù）饥馑（jǐn）庠（xiáng）序千乘（shèng）之国

C．喟（wèi）然数罟（cù gǔ）哂笑（xī）少不更事（gēng）

D．洿池（kuā）朝觐（zhāo jìn）自矜（jīn）衡阳之浦（pǔ）

阅读理解

阅读理解。

     I was born in the computer age.  1 . They were already adults when the first personal computer came
out. But with the development of technology, more jobs need skills like typing, sending e-mails, etc.
     When I was in middle school, they started asking me to help them do things with computers.  2 . But
my dad would make me stay up to finish his work. My parents even made me talk on the phone whenever
there was something wrong with our computer.
     After realizing my parents really need my help, I tried to be more understanding. After all, I wasn't born
knowing how to use a computer.   3 ? I feel that teaching them by myself is better. We can communicate
more and share understanding.
     I know it's usually hard for adults to learn new skills. And a patient teacher is helpful for them.  4 .
Parents and teens need to help each other.

A. So I try to teach them patiently
B. However, my parents weren't as lucky as me
C. It is hard for them to use the computer
D. Sometimes I had hours of homework to do
E. How can I help them learn about computers