I. A级 单项单句改错
1. Mr. Smith and Mrs. Smith are teacher. 2. Both coffee and beer is on sale in the shop. 3. Either the students or the teacher are to blame.
4. Not only the students but also their teacher don't know about it. 5. Mr. Green besides his sons like sports. 6. Each of the books costs five yuan.
7. More than 30 percent of the surface are covered by water. 8. A new type of machine are on show now.
9. She is one of the teacher who have been to America. 10. Four hours are enough to do the work. B级 单项单句改错
1. The questions raised by the boy is very important. 2. The teacher and writer are her friend.
3. Tom, together with Mary and Alice, are going to swim this afternoon. 4. Neither of these words are correct.
5. About 70 percent of the students is from the south, and the rest of them are from the north and foreign countries.
6. Machines of this new type is made in Wuhan. 7. The windows which faces south are all broken.
8. She is the only one of the students who have been invited to the party. 9. When and where to hold the sports meet is not decided yet.
10. The number of people invited was fifty, but a number of them was absent for different reasons.
II. A级 单项短文改错
Some warm-blooded animals lead their usually life in winter. But a cold-blooded creature such as a frog or a snake has no choice but hibernate. Its blood temperature drops to just over 0℃. It breath only once every five minutes, and the movements of its heart and lungs are great reduced. So you see, hibernation is more than sleep. That it is to say, it is a very deep sleep. The fat storing in the body of an animal is enough to supply the energy for the greatly reduced movements. Some animals, included some bears, only half hibernate. Their winter sleep isn't so deeply. They can keep up their usual body temperature and the thick covering of fat and fur help to keep the cold out. B级 单项短文改错
Today, my classmates and I took part in the rehearsal(排练)of the National Day celebration. I got up at 3:30 because the teacher asked us to get to school before
4:30. So I had my breakfast very quick. And at four o'clock, I left home on my bike. On my way to the school, I noticed there was a few students wearing the same clothes with I did. \"Maybe they're going to do the same thing,\" I said to myself. I rode faster and arrived at the school at twenty to four. Many of my classmates were yet at the school. We talked and waited for some time, and at about 5:00 they set off by bus. It took us an hour to get to our destination (目的地) and there we spend half a day practising. At 9:30 we returned to the school Though we were really very tired, but we were all very happy. III. A级 综合单句改错
1. Now Tom with his classmates are playing football on the playground. 2. Thirty dollars are too expensive.
3. Nothing but one desk and six chairs are in the room.
4. Between the two building stand a monument. 5. You as well as I am right.
6. Where to get the materials and how to get use of them has not been discussed at the meeting.
7. Three-fourths of the bread were eaten by Bob, and the rest of the bread was left on the table.
8. Bread and butter is their daily food.
9. This pair of glasses belong to my grandmother. 10. Many a student are busy with their lessons. B级 综合单句改错
1. He visited the museum once every a few weeks. 2. You must have your tooth brushed before you go to bed. 3. Please look around before cross the street. 4. The team is made of 11 players. 5. Many woman doctors have been invited. 6. Please repeat the sentence again. 7. He suggested me that I go to see a doctor. 8. Will you please to say it again more slowly? 9. If you work hard, you will be successful in time.
10. Great changes have been taken place in our hometown since 1978. IV. A级 综合短文改错
Albert Einstein was from a Jewish family. He was born in German. When he was a boy, he liked to ask questions.By the time he was fourteen years old, he learned advanced mathematics all by himself. By then he had decided to become a physicist and devoting himself to abstract research. His family was not rich, so his
parents managed to send him to a technical school and later the Federal Institute of Technology in Switzerland. After the graduation, he began to teach. Later he worked in a government office. Then with the money he saving, he continued his studies at the University of Zurich. In 1905 he got a doctor's degree.It was at that time when
he began the research and studies which lead to his famous theory of Relativity. B级 综合短文改错
As Einstein's theory proved correctly, he had gained world fame by 1914.The First World War stopped his work and make him suffer deeply. In postwar, honors was given to him. He won the Nobel Prize in 1921.Berlin held a public celebration for his fiftieth birthday, but he didn't attend it because of he was a shy man. When Hitler came to power, Einstein found the doors of study closing to him. He lost everything, even his German citizenship. He was forced flee Germany. It was in Britain that he received a invitation from the United States. In 1940 Einstein became an America citizen. He lived the rest of his life in the United States. Except his work in physics, he spent much time working for human rights and progress.答案：改错阶梯训练 I. A级 单项单句改错 1. teacher -- teachers 2. is -- are 3. are -- is
4. don't -- doesn't 5. like -- likes 6. 正确 7. are -- is 8. are -- is
9. teacher -- teachers 10. are -- is
B级 单项单句改错 1. is -- are 2. are -- is 3. are -- is 4. are -- is
5. is -- are 6. is -- are 7. faces -- face 8. have -- has 9. 正确
10. them was -- them were
II. A级 单项短文改错 1. usually -- usual 2. but后加to
3. breath -- breathes 4. great -- greatly
5. 将That后的it划去 6. storing -- stored 7. 正确
8. included -- including 9. deeply -- deep
10. help -- helps
B级 单项短文改错 1. 在school前加the 2. quick - quickly 3. was - were 4. with - as 5. to - past 6. yet - already 7. they - we 8. 正确
9. spend - spent 10. 将but划去
III. A级 综合单句改错 1. are -- is 2. are -- is 3. are -- is
4. stand -- stands
5. am -- are 6. has -- have 7. were -- was 8. 正确
9. belong -- belongs 10. are -- is
B级 综合单句改错 1. 划去once 2. tooth -- teeth 3. cross -- crossing 4. made后加of 5. woman -- women 6. 划去again 7. 划去me 8. 划去to 9. 正确
10. 划去been
IV. A级 综合短文改错 1. German -- Germany 2. 在he后加had 3. 正确
4. devoting -- devote 5. so -- but 6. later后加to 7. 句首the划去 8. saving -- saved 9. When -- That 10. lead -- led
B级 综合短文改错 1. correctly -- correct 2. make -- made 3. was -- were 4. 正确
5. because后of划去 6. closing -- closed 7. forced后加to 8. a -- an
9. America -- American 10. Except -- Besides
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