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单选题 英语
2023-10-16

We know from the passage that________.

A．exposure to even tiny amounts of radiation is fatal
B．the effect of exposure to radiation is slow in coming
C．radiation is avoidable in space exploration
D．astronauts in spacesuits needn' t worry about radiation damage
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参考答案

B

答案解析

【考情点拨】推理判断题。
【应试指导】由第二段第四句可知，辐射对人体的危害一时难以显现，它可能会在其子女或孙子女的身上体现出来。B项符合题意，故选B。

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3 根据以下材料，回答题
Mrs.Peters stopped playing the piano when she began to work.She had lived in a very small flat,and there had been no room for a piano.But when she married, she had a new fiat which was big enoughfor one.So she decided to get one and her husband agreed and helped her.She saved some money, andher parents gave her a generous amount of money for her birthday.Then she went to a shop and said,"I'll choose whichever piano does not cost too much and fits into my living room."
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A few months later she heard from the shop that a man was coming to tune the piano at ten thatmorning.Now she had not cleaned the house yet, so it was dusty and untidy.Mrs.Peters hated having eventhe least amount of dirt, and felt ashamed whenever strange people saw her house like that.So she had tohurry to clean everything carefully.It meant a lot of effort, and it made her hot and tired, but anyhow,by the time the man arrived, everything was finished.
She opened the door, and the man was standing there with a big dog."Good morning," the man saidpolitely, "Will it disturb you if I bring my dog in, please? I'm blind, and he leads me wherever I go."
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