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There is something people didn' t understand in the sky．The USAF(美国空军) 1 used the words "Unidentified Flying Object" to describe them．Today 2 uses the term(术语,说法)UFO．When people see a UFO, it is 3 a weather balloon(气球)or an airplane．But the Center 4 UFO Studies continues to receive 5 of reports every year．
In 1947 a businessman(商人)and pilot, Kenneth Arnold, 6 near Mount(山)Rainier, Washington when he saw nine shiny, round objects(物体)flying through the air(天空)．He told a newspaper reporter that they 7 like "pie plates skipping(跳)over(在……上方)water"．The reporter used the words "flying saucer(飞碟)" in his story and today that 8 a popular name for UFOs．
Now in different countries, many people 9 the UFOs．Some people make mistakes when they say they have seen UFOs．But people still can't 10 UFOs clearly．It may take many years to find a clear answer．
阅读理解
It's sometimes reported that strange objects have been seen high up in the sky. These unidentified(未确认的) flying objects - UFOs have made a lot of people interested. Some of the reports about them are difficult to believe.Some have been explained in scientific ways, others have never been explained.
It is not easy to decide whether a report is true or not. One report of UFOs came from a British plane on its way from New York to London in 1954. The British plane was flying over an island at 19,000 feet when the captain noticed that something was on their left and a little lower than their plane. It's about five miles away.
"It was not one object but several," the captain said. "We saw one large and six smaller objects. I sent a radio to report about them and I received the answer that the other planes were coming out to meet us. Before the planes arrived, the smaller objects entered the big objects. The big object then became smaller and moved away fast."
1.Some_____ have been explained in scientific ways.
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A．people |
B．strange objects |
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C．of the reports about UFOs |
D．planes |
2. In 1954, a British plane met a UFO when it was flying from_____ to_____.
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A．England, America |
B．America, England |
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C．America, France |
D．New York, an island |
3. The captain_____ and saw something on the left of their plane.
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A．looked down |
B．looked up |
C．looked back |
D．looked ahead |
4. How many objects did the captain see?
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A．Only one. |
B．Five |
C．Six |
D．Seven |
5. The big object moved away because_____.
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A．it was afraid of the plane |
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B．it had received a radio report |
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C．of some unknown reason |
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D．it had stayed long enough with the plane |
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阅读理解
Jacks is the name of a game that is quite popular with children. To play jacks you will need a small rubber ball and ten small metal objects(物体) called jacks.
The rules (规则) for this game are not complicated (复杂). To begin, you put the ten jacks on the floor or ground in front of you. Throw the ball up but not too high, pick up one jack, and then catch the ball. Keep the jack in your hand and then go on picking up the other jacks one at a time. You lose your turn if you do not catch the ball, you do not pick up a jack or you drop any jacks from your hand.
When you finish all ten jacks, you now try to do the same thing again but with two jacks at one time. This is more difficult, of course. You lose your turn if you make any of the other three mistakes or if you do not pick up exactly(准确的) two jacks each time!
1．The game needs ________.
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A．one ball
B．one jack
C．a small rubber and ten metal objects
D．one ball and ten jacks
2．The jacks are made of ________.
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3．A player picked up all ten jacks one at a time. Then he followed the rules and finished the second part. The total number(总数) of times that he picked up jacks is ________.
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4．After you pick up the first ten jacks, the game becomes more difficult because you may make one of the ________.
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5．A good title (题目) for this passage is ________.
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