试题与答案

2014年山东省第二十三届运动会将在济宁召开,为调查我市某校高中生是否愿意提供志

题型:解答题

题目:

2014年山东省第二十三届运动会将在济宁召开,为调查我市某校高中生是否愿意提供志愿者服务,用简单随机抽样方法从该校调查了50人,结果如下:K
是否愿意提供志愿者服务
性别
愿意不愿意
男生205
女生1015
(I)用分层抽样的方法在愿意提供志愿者服务的学生中抽取6人,其中男生抽取多少人?
(II)在(I)中抽取的6人中任选2人,求恰有一名女生的概率;
(III)你能否有99%的把握认为该校高中生是否愿意提供志愿者服务与性别有关?
下面的临界值表供参考:
P(K2≥k)0.150.100.050.0250.0100.0050.001
k2.0722.7063.8415.0246.6357.87910.828
独立性检验统计量K2=
n(ad-bc)2
(a+b)(c+d)(a+c)(b+d)
,其中n=a+b+c+d.

答案:

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题型:阅读理解

Snake dishes have become popular in recent years. Snake meat is often seen in restaurants. It seems that eating snakes is now in fashion, and if you ( A ) ___________ (not eat) any snakes yet, you’re considered out-of-date. But I wonder whether it is worth following.

Some people think that eating snake meat is good for their health. But these people don’t know that snakes usually eat mice and worms. Therefore, there are many parasites(寄生虫)found inside snakes’ bodies. ( B ) 它们可能对我们的健康有害。 Apart from this, we’re sorry to see that more snakes are being killed by a butcher’s knife. According to the newspaper, Shanghai Star, about 1,000 tons of snakes are eaten by people every year in China. In Shenzhen of Guangdong Province, sometimes as many as 10 tons of snakes are served on dinner tables in a single day. ( C ) If we still turn a blind eye to this, a vicious circle(恶性循环)will be created — if more snakes are eaten by people, the number of snakes will drop, and the number of mice will increase, which will result in a decrease in crop output. This will make more people hungry. Who wants to see such a tragedy?

( D ) Therefore, let’s not eat snakes any more! To protect the snakes is to protect ourselves.

小题1:用 ( A ) 处所给词的正确形式填空。 ________________________

小题2:将 ( B ) 处的句子翻译成英语。

___________________________________________________________________________________

小题3:将 ( C ) 处翻译成汉语。

__________________________________________________________________________________

小题4:改写 ( D ) 处的句子,句意不变。

Therefore, let’s ___________ ____________ eating snakes!

小题5:根据短文内容回答问题:

What will happen if people eat more snakes? ____________________________________________________

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