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The threats to the health of astronauts ...

The threats to the health of astronauts in space are very different from ______ on earth.

A. ones             B. that             C. it                   D. those

 

D 【解析】考察代词用法。One指代可数名词单数,表泛指;that指代可数名词单数或者不可数名词,后面有定语修饰,表特指。It指代上文出现的同一事物。Those指代可数名词复数,后面有定语修饰,表示特指。本题的those=the threats,后面有on earth修饰。结合句意可知D正确。句意:在太空中对宇航员健康的威胁不同于地球上的威胁。
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假设你是晨光中学的高中生李华。你校拟选拔一批优秀学生,利用暑期到晨曦希望小学为学生辅导英语。你希望参加此活动。请根据以下提示,用英语给校评选组写一封申请信:

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1. 词数不少于120;

2. 可适当加入细节,以使内容充实、行文连贯;

3. 信的开头和结尾已给出,不计入词数。

参考词汇:

晨曦希望小学 Chenxi Hope School

 

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Thanks to your _____(鼓励) and unselfish love, I have been   

m­­­­_____ great progress in my studies. It will be less than one year

before I take the exam, ______ makes me under great pressure.

Therefore, good studying conditions and timely help will ____ me   

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My dream is the very one you always have. In order to make f____   

use of the time, I decide to make a few detailed study _____(计划) 

for the exam. What’s m______, it’s also necessary that I do some    

physical exercise once in a while so that I can keep h________.   

All in all, I’m quite ________(自信)of my future life and        

I do wish you good health and a happy life.

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13.The moment he arrived home, he ________ cleaning up the mess.

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B.need more career advice from their schools

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