成形刀要装得对准工件轴线，装得高了容易扎刀，装低了容易引起振_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题判断题

成形刀要装得对准工件轴线，装得高了容易扎刀，装低了容易引起振动。( )

答案

参考答案：对

完形填空

请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项题卡上将该项涂黑。
In eighteen thirty, only a few miles away from what is now the great city of Cincinnan, Ohio, lay a 36 and a

lmost endless forest.
The area had a few settlements 37 by people of the frontier. Many of them had already left the area for settlements further 39 the west.

But among those   40  was a man who had been one of the first people to arrive there.
He lived alone in a house of logs surrounded   41 all sides by the great forest. He seemed a part of the darkness and   42  of the forest, for no one had   43  known him to smile or speak an unnecessary word. His simple needs were   44 by selling or trading the skins of wild animals in the town.
His little log house had a single door. Directly   45  was a window. The window was boarded up（堵住）. No one could remember a(n) 46  when it was not. And no one knew why it had been   47 . I imagine there are few people living today who ever knew the   48  of that window. But I am one, as you shall   49 .
The man's name was said to be Murlock. He   50  to be seventy years old, but he was really fifty. Something other than years had been the   51 of his aging.
His hair and long, full beard were white. His gray,   52  eyes were sunken. His face was wrinkled. He was tall and thin with drooping shoulders—like someone with many   53 .
I never saw him. These   54  I learned from my grandfather. He told me the man's story   55  I was a boy. He had known him when living nearby in that early day.

C．established

B．opportunity

D．construction

A．achievements

单项选择题

桃仁既能活血祛瘀，又能润肠通便，并能

A．行气止痛
B．止咳平喘
C．利水消肿
D．凉血消痈
E．化瘀止血