Book3Unit4单元测试

高一英语Book3 Unit4 单元测试班别_____ 姓名_____一、单句改错(12分)1.The origin of life on earth is a question interests astronomers.2.The problem is more and more young people are getting into the habit of smoking.3. No one knows exact how the earth began as it happened so long ago.4. According to a widely accepted theory, the universe began with a “Big Bang”that threw matter on all directions.5. What it was to become were uncertain until between 4.5 and 3.8 billion years ago.6. The earth became so violent that it was not clear if the shape would last or not.7. It is even more important is that as the earth cooled down, water began to appear on its surface.8. It was not immediate obvious that water was to be fundamental to the development of life.9. Reptiles produced young generally by lay eggs.10. The reason why he failed in the exam was because he was too careless.11. So we feel even if there is no gravity at all.12. Returning to the earth was very frightened.二、语法填空(15分)No one knows exactly__13__the earth began. According to a widely accepted theory, the earth began with a “Big Bang”, __14__exploded loudly and produced water vapor and many gases, __15__(make) the earth’s atmosphere. As the earth cooled down, water appeared and stayed__16__ the surface. It was the presence of water__17__ allowed the earth to dissolve harmful gases and acids into the oceans and seas, which made__18__ possible for life to develop. First, the appearance of small plants encouraged the development of early shellfish and all sorts of fish. Next, green plants began to grow on land, __19__ were followed by land animals. So reptiles appeared for the first time. Later, dinosaurs developed.__20__,they suddenly disappeared. After that, mammals came into being. Finally, humans appeared and spread all over the earth. However, they are putting too much carbon dioxide into the atmosphere, making the earth too hot __21__ (live) on. So, whether life will continue on the earth will depend on__22__this problem can be solved.三、阅读理解(8分)Man has been travelling into space for more than 40 years. Even today though,very few people get the chance to be an astronaut, about 30 per year. This is mainly because of the expense. It costs millions of yuan to train and send astronauts into space. Very few countries can afford this.This is why American businessman Dennis Tito paid 20 000 000 US dollars to the Russian space agency to go into space. He visited the International Space Station. His trip, making him the first ever space tourist, took eight days in total. He spent most of his time taking photos, looking at Earth and listening to music on his once­in a­lifetime trip.After landing safely back on earth, Mr Tito thought the trip was worth the money. The only difficulty he had was walking but this is normal for anyone who's been in zero gravity.Some people, especially in the American space agency, argue that you must be professional (专业的) to go into space. They worry about the safety of other astronauts. However, Mr Titoreceived training before he left. He also helped to prepare food for the others while in space. They told him what to do and where he was allowed to go.A survey carried out soon after Tito landed showed that 75% of Americans supported space tourism. Some people are bored of all the places on earth. They are looking for a new adventure and space is the place.The money Mr Tito gave the Russians paid for 20% of their annual budge (预算). If we want to see men on Mars and other planets, we may need rich people like Mr Tito to help us pay for it. The Russians have more rich people who want to become space tourists. They should take them.23. How many people have flown in space?A. About 30.B. More than 1 200.C. Thousands.D. About 12 000.24．Why did the Russians want Dennis Tito to go into space?A. They wanted to work with an American.B. They wanted him to have a once­in­a­lifetime trip.C. They wanted him to take photos of Earth.D. They wanted his money.25．What were the differences between Mr Tito and the other astronauts?A. None.B. Only Tito was allowed to cook.C. Tito couldn't go everywhere on the space station.D. Tito received training before he flew in space.26.What does the writer think about Dennis Tito?A. He helped Russia keep going into space.B. He was not a good astronaut.C. He couldn't help the Russians much.D. He shouldn't be allowed into space again.四、翻译句子(25分)27．很久以前地球上存在着恐龙。