印制导线的拐弯应成（），因为直角或尖角在高频电路和布线密度高_爱下问搜题

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问题填空题

印制导线的拐弯应成（），因为直角或尖角在高频电路和布线密度高的情况下会影响电气性能。

答案

参考答案：圆角

完形填空

Several years ago I studied in a university in the biggest city in our country. It’s very beautiful, I could read lots of books there and I made lots of friends there. But it’s hot in 11 . So I usually returned to my hometown when my   12  began. It is not big, but it’s cool and quiet. I could   13  in the daytime and have a good sleep at night.
One day I had some problems to solve. But I didn’t take the   14  home. My father told me Charlie, one of my   15 , had a good library. I went to his house at once. We didn’t see each other after I   16  my middle school. At first he didn’t   17  me. He looked me up and down. And then he called out, “Oh, dear! It’s you, Fred! I haven’t seen you for a long time!”
Of course we were   18  to meet each other again and talked a lot about our schoolmates and   19 . We also talked about the interesting things at that time. Later on he showed me around his   20 . It wasn’t big but there were a lot of nice books in it. And the dictionaries I   21  were in it too. At last I said, “Can you   22  some dictionaries to me, please?”
“I’m sorry I don’t lend any books to others,” said the young man.
“Are you afraid I’ll   23  them?”
“No, I’m not. I’m afraid you won’t   24  them to me. Look! All the books in my library are not   25 , but borrowed!”

C．dictionaries

多项选择题

根据《刑事诉讼法》相关规定，对于公民报案，不予立案的情形是（）。

A.犯罪已超过追诉时效期限的

B.犯罪情节显著轻微，不需要追究刑事责任的

C.犯罪嫌疑人死亡的

D.没有犯罪事实的