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题型:阅读选择 题类:模拟题 难易度:普通

Comets(彗星) are parts of our solar system. Like the planets, they go around the sun.
But comets are not made of solid rocks like planets. A comet is a ball of dust, stones, and ice. Many people call comets dirty snowballs.
The "snowball"may be only a few miles across. But when the sun heats the "snowball,"much of it is changed to gases. The gases spread out and form the comet's head, which may be thousands of miles across.
A comet moves fast in its trip around the sun. But when we see it, the comet does not seem to move. That's because it is so far away. The moon moves fast, but when you look at it, you can't see any motion(运动). That's because the moon is far away.
Each year astronomers(天文学家) discover new comets. Some of them are seen only once. They make one trip around the sun and then go away out into space. The sun's gravity cannot hold them.
Other comets, like Halley, keep returning. They have been captured by the sun. Halley's earliest visit was probably 3,000 years ago. It may keep returning for another 3,000 years.
But every time a comet goes around the sun, the comet loses part of itself. Gases and dust are pulled out of the comet. That's why Halley is now dimmer(暗淡的) than it used to be. Next time it visits us, in 2062, it may be even dimmer. Each visit it may get dimmer and dimmer, until it finally disappears.

(1)、What is this passage mostly about?

A、Comets and the sun. B、Why comets are like snowballs. C、Who discovered the first comet. D、Facts about comets.
(2)、How does the writer help the reader understand what a comet looks like?

A、By telling about a famous one. B、By explaining how far away it is. C、By describing how fast it moves. D、By describing it as a dirty snowball.
(3)、What is the most likely reason the writer wrote this passage?

A、To give information about comets. B、To tell readers about famous comets. C、To explain the importance of comets. D、To encourage readers to look for comets.
举一反三
阅读短文,回答下列问题。

      Weather has a strong effect(影响) on people. It influences health, intelligence (智力) and feelings. In August, it is very hot and wet in the southern part of the United States. People there easily have heart trouble and other kinds of health problems during this month. In the Northeast and the Middle West, it is hot at some times and very cold at other times. People in those states will have heart trouble after the weather changes in February or March.
      The weather can also influence intelligence. For example, in a 1983 study by scientists, the IQ scores of some college students were very high during storm, but after the storm, their scores were low. Storms can increase intelligence. Very hot weather, on the other hand, can decrease(减少) it. Students in many schools of the United States often do badly in exams in the hot months of the year(July and August).
      Weather also has a strong effect on people's feeling. Winter may be a bad time for thin people. They usually feel cold during these months. They might feel depressed during cold weather. In hot summer weather, on the other hand, fat people may feel unhappy. At about 65F, people become stronger.
      Low air pressure(气压) makes people feel free, but it also increases forgetful- ness. People leave more bags and umbrellas on buses and in stores on low pressure days. There is a“perfect weather”for work and health. People feel best at a tempera- ture of about 64F with 65 percent humidity(湿度).
      Are you feeling sick, sad, tired, forgetful, or very intelligent today? The weather may be the reason.

 请通读下面短文,掌握其大意,根据语法和上下文连贯的要求,从每小题三个选项中选出一个最佳的答案。

When people talk about sports, many think of basketball or swimming. Did you know that arm-wrestling (扳手腕) is also a popular sport around the world? Many countries have competitions (比赛) for the sport and lots of people are good at it. One of the 1 arm-wrestlers is a 54-year-old British grandfather.

Mark Waldon's journey in arm-wrestling began three years ago. He got sick and had to stay in bed 2 a long time. That was when he started watching this sport on the Internet and became really 3 in it. When he got better, he joined a club in his town and he felt welcome there.

Mark does exercise all 4 time, so he is quite fit. But a strong body is not enough 5 in arm-wrestling. At first, Mark lost every match. However, that didn't stop 6 . He worked hard and became much better after 7 for half a year.

In September 2022, Mark flew to France for a world competition and won fourth place in his group (组). In 2023, he 8 a European competition in Finland. This time, he got first place.

These days, Mark still 9 every day. He hopes to show people that everyone can make their dreams (梦想) 10 true through hard work, even when they are at the age of a grandpa.

 阅读下面材料,从方框中所给的 A—F六个选项中选择正确的选项,将其序号填入第35—39 小题。其中一项是多余选项。

I often hear some students say English is difficult and gives them a headache. So they can't learn it well. But English is very easy for me. {#blank#}1{#/blank#} I'm very glad to tell you something about how I study English. 

{#blank#}2{#/blank#} When I was in Grade Three, we had a new subject— English. It was new to me. I was interested in it, so I worked hard at it. Soon we had an English exam and I got a very good mark. How happy I was!{#blank#}3{#/blank#} Our English teacher often teaches us English songs, and the songs sound nice. I often think how interesting English is!

Second, as English is a foreign language, I learn it well in the following ways:{#blank#}4{#/blank#}Then practise again and again, and never be tired.{#blank#}5{#/blank#} Whenever I have a question, I must make it clear by asking our English teacher. How happy I am when I understand it!

A. I'm good at it.

B. And I also have a learning habit.

C. After that, I learned English harder and harder. 

D. First, I think an interest in English is very important. 

E. To think in English is a difficult thing for me at first. 

F. Listen to the teacher carefully, speak bravely, read aloud and have a good vocabulary.

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