普采是（）采煤的简称。_爱下问搜题

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问题填空题

普采是（）采煤的简称。

答案

参考答案：普通机械化

判断题

如果晶闸管整流电路所带的负载为纯阻性，这电路的功率因数一定为1。

完形填空

Now, I know it's not always easy to do well in school. I know you have a lot of _     in your lives right now that can make it hard to      on your schoolwork.
I get it. I know what it’s like. My father   my family when I was two years old ,and I was         by a single mom who had to work and who struggled        to pay the hills and wasn't always       to give us the things that other kids had. There were times when I      having a father in my life. There were times when I was          and I felt like I didn't fit in.
So I wasn't always as focused as I should have been on school, and I did some things I'm not    of, and I got in more trouble than I should .And my life could have     taken a turn for the worse.
But I was      ，I got a lot of second chances, and I had the opportunity to go to college and law school and follow my      .
Some of you might not have those      . Maybe you don't have adults in your life who give you the        that you need. Maybe someone in your family has lost their job and there's not enough money to    the daily expenses. Maybe you live in a neighborhood where you don't feel safe, or have friends who are          you to do things that you know aren't right.
But at the end of the day,         the circumstances of your life are,        of those is an excuse for ignoring your homework or having a bad      in school. That's no excuse for talking back to your        , or dropping out of school. There's no excuse for not trying.

C．attractions

A．concentrate

D．behind time

A．independent

C．instructions

D．difficulties