题目内容

M: Oh, don't worry. I was a bit late, too.
Why was the woman late？

A. She forgot the time.
B. She forgot the place.
C. She slipped on the ground and hurt herself.
D. She was talking with the man's secretary and forgot the time.

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在机械设备结构可靠性设计要点中，()是指将若干功能相同的零组部件作为备用机构，当其中某个零组部件出现故障时，备用机构马上启动工作，使机器仍盲S保持正常工作。

A. 确定零件合理的安全系数
B. 冗余设计
C. 简单化和标准化设计
D. 结构安全设计

综合安全技术
本部分共10小题，每小题1分。每题的备选项中只有一个最符合题意。
千斤顶、手拉葫芦、滑车、绞车、电动葫芦、单机起重机械等属于()。

A. 升降类型起重机械
B. 桥架类型起重机械
C. 轻小型起重机械
D. 臂架类型起重机械

Some researchers feel that certain people have nervous systems particularly ______ to hot,

A. subjective
B. subordinate
C. liable
D. vulnerable

Outsiders have ______ the success of Eastern Asia's economics with admiration, wonderment

A. gazed
B. glanced
C. contemplated
D. peered