短文填空：从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空一词，每词一次。有两个词是多余的。
When I was at university, I studied very hard. But many of my friend 1 very little work. Fred Bains was one of them. He spent 2 time playing games than studying in the library.
Once at the end of the term, we had to take an important test in chemistry. The test had one 3 questions. Beside each question, we had to write “True” or “False”. While I was studying in my room the night 4 the test, Fred was 5 TV. Fred usually 6 a lot the night before the test. But on that night he looked very easy. “I haven’t studied a chemistry book for months, but I’ll answer the questions 7 tossing(抛) a coin. If the coin comes down on my hand with the right side up, I will write ‘True’. If it comes down with the other side up, I will write ‘False’. In this way, I am sure I’ll get sixty questions 8 ,” he told me all of his idea.
Two days 9 , Fred saw the chemistry professor(教授) in the office. “ Oh, good morning, ”he said. “Have you corrected(批改) our papers?” The professor looked up at him and said, “Ah, it’s you, Fred. Wait a minute, please.” He 10 a coin out of his pocket and threw (掷) it in the air, caught it in his hand and looked at it. “I am terribly sorry, Fred,” he said. “ You failed !”
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Keys: did; more; hundred; before; watching; worried; by; right; later; took.
2.从方框中选出合适的单词，并用其正确形式完成短文。其中两个词是多余
Niagara Falls is a powerful waterfall in North America. It is 1 on the Niagara River. This river is the border between the United States and Canada. The river is actually a strait. It connects two Great Lakes, 2 Lake Rrie and Lake Ontario. The falls came into being during the last Ice Age. This was we,300 years ago. The falls have a long history.
Niagara Falls is 3 by two countries. There are different falls on each country’s land. Lots of people come to visit the fantastic 4 of the falls. They can visit Bridal Vei Falls. This is on the American side. People can also visit Horseshoe Falls. This is on the Canadian side. The falls 5 a lot of electricity. This energy is shared by both countries.
The falls have a very 6 history. People have always been amazed by their power. About two hundred years ago, many factories and mills were 7 on the river. The falls’ power was 8 to provide electricity for them. A group of citizens were worried and they 9 that this would destroy the 10 , so the builders had to stop.
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