问题 解答题
两根一样长的铁丝,第一根剪去它的
2
5
,第二根剪去
2
5
米.剩下的一样长.______.(判断对错)
答案

因两根同样长的铁丝,第一根剪去它的

2
5
,第二根剪去
2
5
米.

(1)当铁丝长度大于1米时,

2
5
乘上铁丝的长度大于
2
5
米,第二根用去的比第一根多,剩下的铁丝就比第一根剩下的短;

(2)当铁丝长度等于1米时,

2
5
乘上铁丝的长度等于
2
5
米,第二根用去的和第一根一样长,剩下的一样长;

(3)当铁丝长度小于1米时,

2
5
乘上铁丝的长度小于
2
5
米,第二根用去的比第一根少,第二根剩下的铁丝就比第一根剩下的长.所以无法确定.

故答案为:×.

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阅读短文回答问题。

     James Cameron was born in a small town in Canada on August 16, 1954. One night at the age of

15, he found what he wanted to do with his life after he saw a movie. 2011:A Space Odyssey (《2011

太空漫游》). Cameron set his hopes high. He wanted to make movies. But he didn't know anything

about cinema. He didn't even know how to do a camera. What's more, he lived far away from

Hollywood, the place for him to make his dreams come true.

     However, Cameron got lucky in 1971. His father told him they would move to California and live

only a few miles from Hollywood. At that time, he dreamed to go to a film school, but his family

couldn't afford it. So he went to study physics at Fullerton College.

     Before long, Cameron stopped his college study and began making his living as a truck driver. But

he still didn't give up his dream of becoming a movie maker, In 1984 , he wrote and directed The

Terminator(《终结者》). It was a huge success.

     Cameron now could do whatever he wanted. He had several projects in mind, including Titanic

which ended up earning almost $2 billion. Cameron started making Avatar(《阿凡达》)in 2005. It

took his team four years to finish making the movie, but the movie has become another huge success.

1. Was Cameron born in Canada?  

    __________________________________________________________

2. What did Cameron want to do when he was 15 years old?

     _________________________________________________________

3. When did Cameron start making Avatar?  

     __________________________________________________________

4. What does the passage mainly talk about? 

      __________________________________________________________

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