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(本小题12分)某射手在一次射击训练中,射中10环,9环,8环、7环的概率分别是0.21,0.23,0.25,0.28,计算这个射手在一次射击中:
(1)射中10环或7环的概率;  (2)不够7环的概率。

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科目: 来源: 题型:

(本小题12分)某射手在一次射击训练中,射中10环,9环,8环、7环的概率分别是0.21,0.23,0.25,0.28,计算这个射手在一次射击中:
(1)射中10环或7环的概率;  (2)不够7环的概率。

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科目: 来源: 题型:阅读理解

阅读短文,用方框内所给单词的正确形式填空,使短文意思通顺、完整。请将答案写在短文后相应题号的横线上。注意:①每个单词只能用一次。②每空限填一词,有些词需要做相应的变化。③其中有两个多余选项。

A car needs gas to run and your body also needs food to work. 【小题1】_____ the right kind of food is very important. It can help your body grow strong, so take care of _【小题2】____ you eat.
There are four main food groups together. The dairy group has food like mild, cheese, and yogurt. The other three __【小题3】____ are the meat and fish group, the fruit and vegetable group, and the bread and rice group. Each meal should have at ___【小题4】___ one food from all the four main groups. With all these food together, you will be __【小题5】____ enough energy during the day.
It’s easy to get into bad eating __【小题6】___. You may eat your breakfast in a hurry to get to school on time. Or you may not have time for a good lunch. It may seem easy to _【小题7】 your supper with fish and chips all the time. But you will find ___【小题8】__tired during these days and you can’t think quickly.
Watching what you eat will help keep your body __【小题9】_ and strong. It’s also good to take some exercise. It will __【小题10】_ you eat more if you take a walk or play games in the open air. Having a good eating habit with some exercise is the key to your health.

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科目: 来源: 题型:阅读理解

阅读短文,用方框内所给单词的正确形式填空,使短文意思通顺、完整。请将答案写在短文后相应题号的横线上。注意:①每个单词只能用一次。②每空限填一词,有些词需要做相应的变化。③其中有两个多余选项。

A car needs gas to run and your body also needs food to work. 【小题1】_____ the right kind of food is very important. It can help your body grow strong, so take care of _【小题2】____ you eat.
There are four main food groups together. The dairy group has food like mild, cheese, and yogurt. The other three __【小题3】____ are the meat and fish group, the fruit and vegetable group, and the bread and rice group. Each meal should have at ___【小题4】___ one food from all the four main groups. With all these food together, you will be __【小题5】____ enough energy during the day.
It’s easy to get into bad eating __【小题6】___. You may eat your breakfast in a hurry to get to school on time. Or you may not have time for a good lunch. It may seem easy to _【小题7】 your supper with fish and chips all the time. But you will find ___【小题8】__tired during these days and you can’t think quickly.
Watching what you eat will help keep your body __【小题9】_ and strong. It’s also good to take some exercise. It will __【小题10】_ you eat more if you take a walk or play games in the open air. Having a good eating habit with some exercise is the key to your health.

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根据对话内容,在每小题的空白处填入适当的话语,使对话意思完整。
A: Hello, is that Mary?
B: Yes. 【小题1】______________________?
A: This is Han Mei.
B: Your voice sounds strange. 【小题2】______________________________?
A: I’ve got a headache and a cough.
B: 【小题3】___________________________________?
A: No, I’m afraid of the doctor. I’ve taken my temperature. It seems to be all right. Nothing serious, I think.
B: 【小题4】______________________. You should take some medicine and drink more water. You’ll feel better soon I think.
A: I think so. By the way, can you help me ask for sick leave this afternoon?
B: with pleasure. 【小题5】_________________. I will help you with them after you are well.
A: Thank you so much! Bye bye.
B: Bye.

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1. Learning_____ country’s language is a better way knowing _____culture
behind it.
A.the; aB.a; theC./; theD.a; /

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The price of the iphone4 is too_____. Fm afraid I can't afford it.
A.highB.expensiveC.cheapD.low

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The _____you eat, the ______you will be.
A.more healthily; more healthily
B.more healthily; healthier
C.healthier; healthier
D.healthier; more healthily

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— Congratulations! You've got the first prize in the English Contest.
—_____ it be true? It's unbelievable!
A.MayB.ShouldC.MustD.Can

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— Hurry up, _____you will miss the school bus.
— I know that, Mum. I'll be ready in a minute.
A.orB.andC.norD.but

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