接触网终点标设置在何处?

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问题:

接触网终点标设置在何处?

考点:铁路知识考试电气化铁路安全知识电气化铁路安全知识题库
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Some people say, “Extreme(极限的) sports are so dangerous. Why would anyone want to do them?” But the danger is what makes them so excited. Keep reading to find out the most popular ones.

Bungee jumping: People on some South Pacific islands have been bungee jumping for hundreds of years. In 1979, some people bungee jumped off a bridge in England and made the sport popular around the world. Bungee jumping came to China in 1996.

Skateboarding: At first, this sport was called “sidewalk surfing”. Skateboarders often jump high into the air, go down steps or slide(滑行) down rails on their boards. They wear baggy trousers(宽松裤) so they can move more freely.

Skydiving: This is probably the scariest(最惊险的) extreme sport. Skydivers jump out of airplanes about four kilometers up in the sky. They usually free-fall for a while and then open a parachute to slow down for a safe landing.

Snowboarding: This became a winter Olympic sport in 1998. People tie their feet to the board with special shoes. They don’t use any ski sticks. Then, they ride down hills, jump high and do tricks.

小题1:What made bungee jumping popular all over the world?

A.A history of hundreds of years.

B.Jumping over a river in England.

C.Coming to China in 1996.

D.Jumping off a bridge in Britain.小题2:In which sport do people jump from a plane?

A.Bungee jumping.

B.Skydiving.

C.Skateboarding.

D.Snowboarding.小题3:Why do people wear “baggy trousers”?

A.They have many bags on them.

B.They can hold many things.

C.They make people move freely.

D.People wearing them can move fast.小题4:What’s the meaning of the underlined word “parachute”?

A.直升飞机

B.降落伞

C.滑板

D.飞艇小题5:Why do some people like to do the extreme sports?

A.It’s dangerous but exciting.

B.It’s exciting and safe.

C.It’s scary but safe.

D.It’s easy to learn.

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选择正确的答案,将序号写在括号里。

  下列诗句中,表现母爱的是(  );表现友情深的是(  );与“当局者迷,旁观者清”有异曲同工之妙的诗句是(  );形容绝处逢生,出现新的契机的诗句是(  )。

A.慈母手中线,游子身上衣。

B.不识庐山真面目,只缘身在此山中。

C.劝君更尽一杯酒,西出阳关无故人。

D.山重水复疑无路,柳暗花明又一村。

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秘书在计算机前输入保密信息时,如访客走近身边问询,秘书()的做法是必要的。

A.请访客站远一些

B.迅速滚动页面

C.将文稿投入碎纸机

D.立即更换密码

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(2007·江苏南通期中联考试题)日本是第二大能源进口国,90%的石油来自中东。伊拉克危机爆发以来,油价持续走高,日本经济大受拖累,急切希望美国速战速决,恢复海湾地区的原油供应。这是日本坚定地支持美国的原因。由此可见                                                                

①主权国家在国际社会中享有独立权 ②国家间的共同利益是国家合作的基础 ③维护国家利益是主权国家制定和推行对外政策的依据 ④主权国家在享有权利的同时,也必须履行义务

A.①③

B.③④

C.②③

D.②④

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ELASA试验中常用的酶有辣根过氧化物酶和()酶。

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