阅读表达。
阅读下面的短文，并根据短文后的要求答题。（请注意问题后的字数要求）
Students often say to me,"I don't know any history. I think it would be a good thing to learn some."What
they seem to mean is that they have never had a"course" about history or read. any history books. But they are
greatly mistaken if they think " they don' t know any history". Every man, woman, and child knows some
history, enough at least to live in the world.
Suppose you had awakened this morning totally unable to remember anything-all your other senses working
properly, but ____. You would be in a bad way indeed! You wouldn't know who you were, or where you were, what you had done yesterday, or what you intended of other people expected you to do today. What could you
do in that case? Wander about helplessly, seeing and hearing things, taking them in as altogether new, not at all
knowing what they might mean in relation either to the past or to the future. You would have to discover your
little world all over again, much as you discovered it in childhood. You would have to" adapt (适应)" yourself
and make a new start. In short, you would be a lost soul because you had stopped to have any knowledge of
history, the history of your personal doings and associations(联系 ) in the past. The fact is that history is no
more than things said and done in the past.
1. What' s the best title of this passage?
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2. Which sentence in the passage can be replaced by the following one? You would have to make yourself
suitable to your little world and have a new start.
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3. Please fill in the blank in the second paragraph with proper words or phrases to complete the
sentence. ( within 5 words)
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4. According to the passage, can you tell us in which case one would be a lost soul? (within 30 words)
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5. Translate the underlined sentence in the second paragraph to Chinese.
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(其中M为地球质量,m为月球质量)可得
因此B选项正确.根据题中所给条件无法得知月球质量,也无法求得地球与月球之间的引力,故C、D选项错误.