搜题请搜索小程序“爱下问搜题”
问题 单项选择题

加弹机摩擦盘“白粉”多易产生（），因此要定期清理摩擦盘上的“白粉”。

A.DTY外观亮丝

B.DTY外观毛丝

C.DTY外观色泽降等

D.DTY外观绊丝

答案

参考答案：A

判断题

信号设备的防雷接地装置可以与电力防雷地线合用。
查看答案
单项选择题

Once a man and his wife worked for an old man. There was a big box in the old man’s living room. The old man pointed to the box and said, "There’s only one thing you (1) do. Don’t open the box. " (2) saying this, he left his home.The woman said to her husband," There must be (3) expensive in the box. Let’s open it, shall we" Her husband said (4) to her. But the woman didn’t give up her (5) . One day, she decided to find out (6) was in it. Her husband didn’t stop her. She opened the box and looked inside. To her surprise, she found nothing in the box. She tried hard to close it, but she (7) That evening the old man came home and found the box was (8) . He was very (9) and asked the woman and her husband to leave his home."But there was nothing in the box," the woman said. "We haven’t taken anything at all. "The old man (10) them, "The box is not important, but I cannot believe you. That’s important!

 

第（9）空应选择（）

A．honest

B．happy

C．careful

D．angry
查看答案