其他不安全事件样例由（）另行制定。 A.民航局 B.民航空管局 C.民航管理局 D.

任务型阅读， 根据短文内容完成所给的任务。

     Can you see the five rings in the picture? The colors of them are blue, black, red, yellow and green.

The rings are a symbol of the Olympic Games. The Olympic Games in the old days were religious ( 宗教的)

activities. Greece held the first Olympic Games in the sixth century B. C. The Games lasted for one day and

there were only races. Men could be in the races. Women had no right to take part in the Olympic Games

until 1912.

     The Olympic Games were stopped in the fourth century. Then they started again in Athens in 1886. This

was the beginning of the modern Olympics. Since then, we hold the Olympic Games every four years.

     The IOC makes rules for athletes, so they all have the same chance to win. Winning in the Olympics is a

great honor. An athlete who wins at the Olympic is the best in the world."Faster, Higher, Stronger" is the

motto of the Olympics.

      Beijing will host the 29th Olympic Games on August 8th this year. We hope it will be held successfully.

1. The first Olympic Games was held in _________ in the sixth century B. C.

2. _________ were not allowed to take part in the Olympic Games until 1912.

3. The modern Olympics started in Athens in _________.

4. The athletes all have the _________ chance to win because the IOC makes rules for them.

5. The _________ of the Olympics is"Faster, Higher, Stronger".

如果事故树中与门多，最小割集就少，则该系统较为危险。

在一项队列研究中，非暴露组150名中15人患高血压，暴露组200人中30人患高血压，归因危险度为

A．0.15

B．0.1

C．1.5

D．0.05

E．0.25

土方工程施工的对象和条件比较复习，如（）等，对不同的工程都不相同。

A.土质

B.地下水

C.气候

D.开挖深度

E.施工现地与设备

用（）检查凸、凹模的间隙是否均匀。

A.百分表

B.千分尺

C.量规

D.游标卡尺

E.塞尺