发生瓦斯(煤尘)爆炸事故在下风测人员怎样安全撤退?

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问题:

发生瓦斯(煤尘)爆炸事故在下风测人员怎样安全撤退?

考点:煤矿技术员必知必会煤矿技术员必知必会题库
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In almost every big university in the United States, football is a favorite sport. American football is not like soccer.

Players sometimes kick the ball, but they also throw (扔) the ball and run with it. They try to take it to the other end of the field; they have four chances to move the ball ten yards (码). They can carry it or throw it. If they move it to the end of the field, they can receive six points. This is called a touch-down (持球触地).

It’s difficult to move the ball. Eleven men on the other team try to stop the man who has the ball. If the man does not move the ball ten yards, his team kicks the ball to the other team.

Thousands of people come to watch it when there is a football game. They all yell for their favorite team. They dance and jump while they are yelling. Each team plays ten or eleven games each season. The football season usually begins in September and ends in November. If a team is very good, it may play another game after the season ends. The best teams play again on January lst. Many people go to see these games and many others watch them on TV.

小题1:In America, football players can _______.

A.only kick the ball

B.only throw the ball

C.only carry the ball

D.kick, throw and carry the ball小题2:There are _______ on each team.

A.ten players

B.eleven players

C.twelve players

D.thirteen players小题3:If the man does not move the ball ten yards, his team has to _______.

A.go home

B.carry the ball ten yards

C.run with it

D.kick the ball to the other team小题4:The best teams play again _______.

A.on Christmas

B.after the season ends

C.on New Year’s Day

D.on Sunday小题5:The underlined word “yell” in the passage means “_______”.

A.shout (喊) loudly

B.jump

C.talk loudly

D.sing

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体内可转变成为胆色素的原料是

A.胆汁
B.胆素
C.血红素
D.胆固醇
E.胆绿素

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下列相关标的中,( )不属于目前利率/债券挂钩类理财产品的挂钩标的。

A.伦敦银行同业拆放利率

B.国库券

C.公司债券

D.可转换债券

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以下()防伪措施需迎光透视观察。

A.光变油墨

B.水印

C.隐形面额数字

D.阴阳互补对印图案

E.凸印缩微文字

题型:问答题 简答题

公路工程质量检验标准不适用于下列哪项工程()。

A、新建四级公路

B、二级公路改建

C、新建高速公路

D、高速公路大修

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