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完形填空
阅读下面短文，掌握其大意，然后从以下各题所给的四个选项中(A、B、C、D)中，选出最佳选项。
Science is based upon observation. However, observation 1 is not science. Scientists 2 state a problem, which then guides them in their observations. But without observation people generally are not 3 of a problem. This then raises a question 4 comes first, the observation or the problems?
Curiosity awakens a need 5 observation. Observation will usually 6 specific questions in the mind of a scientist. To 7 his curiosity he begins to make observations. 8 , he formulates a specific statement that can be tested. This statement is called a hypothesis (假设). It is the starting point for an experiment.
9 experimenting, the scientist tries to show or prove that the hypothesis is true or false. He 10 use good 11 to create an experiment that 12 the problem. The experiment must produce valid information or data. The date 13 during the experiment are observations.
Observations can be made directly and indirectly. For direct observation, instruments are 14 used. Some instruments used by modern scientists are quite simple; others are very 15 .
To complete his experiment, the scientist must state his observations in numerical 16 . This means that he has to make measurements. With the results from these he can make more 17 comparisons or descriptions to 18 his hypothesis. The results of a scientific experiment 19 on a valid hypothesis can often 20 a better understanding of the world and the universe.
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We did have a quarrel about money last night, but now we have already _____．
A． taken up B． made up C． put up D． brought up
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We still remember once ______ round the famous tower when we were young.
A. having taken B. to be taken C. to have taken D. having been taken
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完形填空
A man and his wife had a small restaurant near the station. The restaurant often stayed 1 until midnight, because people came to drink and have meals while they were waiting for trains.
At two o'clock one morning, a farmer was still sitting at 2 there. He was asleep. The wife of the owner of the restaurant was very 3 and wanted to go to bed. She looked at the farmer several times and waited for him to wake and go, but each time she looked, the farmer was 4 there sleeping, then at last she went to her husband and 5 to him, “You 6 him six times now, but why haven't you 7 him away? It's very late.”“Oh, no, I don't want to send him away,” answered her husband 8 a smile. “You see, whenever I wake him 9 , he asks for his bill, he 10
it and then goes to sleep again.”
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完形填空
A man and his wife had a small restaurant near the station. The restaurant often stayed 1 until midnight, because people came to drink and have meals while they were waiting for trains.
At two o'clock one morning, a farmer was still sitting at 2 there. He was asleep. The wife of the owner of the restaurant was very 3 and wanted to go to bed. She looked at the farmer several times and waited for him to wake and go, but each time she looked, the farmer was 4 there sleeping, then at last she went to her husband and 5 to him, “You 6 him six times now, but why haven't you 7 him away? It's very late.”“Oh, no, I don't want to send him away,” answered her husband 8 a smile. “You see, whenever I wake him 9 , he asks for his bill, he 10
it and then goes to sleep again.”
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