【完成句子】Most of us can find 15 minutes or half an hour each day for some regular activity. For example, one famous surgeon always spent 15 minutes reading something before he went to sleep each day. Whether he went to bed at 10 p.m. or 2:30 a.m. made n

【完成句子】Americans eat with knives and forks; Japanese eat with chopsticks. Americans say "Hi" when they meet; Japanese bow. Many American men open doors for women; Japanese men do not. On the surface, it appears that good manners in America are not goo

【概括大意】The VLT (Very Large Telescope) is the world’s largest telescope (望远镜) and is taking astronomers (天文学家) further back to the Big Bang than they ever thought possible. Located 2,600 metres up in the Chilean Andes, it has four huge mirrors, each ab

【概括大意】Our bodies are estimated to be about 60 to 70% water. Blood is mostly water, and our muscles, lungs, and brain all contain a lot of water. Water is needed to regulate body temperature and to provide the means for nutrients (滋养) to travel to all

【概括大意】 It is often thought that science fiction is a fairly new development in literature, but its ancestors can be found in books written hundreds of years ago. These books were often concerned with the presentation of some form of ideal society, a

【概括大意】Heavy metals are persistent; they do not break down to other chemicals in the environment. Industrially polluted sites usually undergo intensive clean-up and rehabilitation because heavy metals are a health concern once they enter the food chai

【概括大意】The Second World War is perhaps the most catastrophic (灾难性的) event that mankind has ever suffered. The war affected 80 per cent of the world’s people at that time, from 61 countries, and claimed 55 million lives.
The main idea of this paragr

【阅读判断】One problem with this design is that the mouse gets dirty as the ball rolls over the surface and picks up dirt. Eventually you have to clean your mouse.
Q: When an ordinary computer mouse gets dirty, it has to be replaced with a new one.

【阅读判断】Technology is a beauty. We eagerly adopt its pleasure, preferring to cope with the drawbacks on the morning after.
Q: Technology is like an art, which everybody including scientists loves.

【阅读判断】Norwich, the capital of the part of Britain known as East Anglia, has been in existence for more than two thousand years. It began as a small village beside the River Wensum.
Q: The River Wensum flows by Norwich.

【阅读判断】The tornado caused a lot of damage to cars and houses in the area. It will take a long time and much money to repair everything. There was also serious water damage from the thunderstorms. The heavy rains and high wind caused the power to go ou

【阅读判断】Back in 1969, US President Richard Nixon confidently predicted: “In the next 50 years, we shall see a woman president, perhaps sooner than you think.” Today, not too far off Nixon’s deadline, America is looking at that possibility. Over the wee

【阅读判断】Fermi's genius was known throughout the scientific world. In 1938 he had won a Nobel Prize. Four years later he produced the first nuclear chain reaction, leading us into the nuclear age.
Q: Fermi, an experimentalist as well as a theoreticia

【阅读判断】Finally, though a child’s "teachers" may not have been trained in language teaching, their relations with him are always close and personal. They take great pains to make their lessons easy.
Q: So far as language teaching is concerned, the t

【阅读判断】The river was so high that the water ran into streets and houses. Many streets had to be closed to cars and trucks because of the high water. This made it difficult for fire trucks, police cars, and other rescue vehicles to help people who were

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【完成句子】Most of us can find 15 minutes or half an hour each day for some regular activity. For example, one famous surgeon always spent 15 minutes reading something before he went to sleep each day. Whether he went to bed at 10 p.m. or 2:30 a.m. made n

【完成句子】Americans eat with knives and forks; Japanese eat with chopsticks. Americans say "Hi" when they meet; Japanese bow. Many American men open doors for women; Japanese men do not. On the surface, it appears that good manners in America are not goo

【概括大意】The VLT (Very Large Telescope) is the world’s largest telescope (望远镜) and is taking astronomers (天文学家) further back to the Big Bang than they ever thought possible. Located 2,600 metres up in the Chilean Andes, it has four huge mirrors, each ab

【概括大意】Our bodies are estimated to be about 60 to 70% water. Blood is mostly water, and our muscles, lungs, and brain all contain a lot of water. Water is needed to regulate body temperature and to provide the means for nutrients (滋养) to travel to all

【概括大意】 It is often thought that science fiction is a fairly new development in literature, but its ancestors can be found in books written hundreds of years ago. These books were often concerned with the presentation of some form of ideal society, a

【概括大意】Heavy metals are persistent; they do not break down to other chemicals in the environment. Industrially polluted sites usually undergo intensive clean-up and rehabilitation because heavy metals are a health concern once they enter the food chai

【概括大意】The Second World War is perhaps the most catastrophic (灾难性的) event that mankind has ever suffered. The war affected 80 per cent of the world’s people at that time, from 61 countries, and claimed 55 million lives.
The main idea of this paragr

【阅读判断】One problem with this design is that the mouse gets dirty as the ball rolls over the surface and picks up dirt. Eventually you have to clean your mouse.
Q: When an ordinary computer mouse gets dirty, it has to be replaced with a new one.

【阅读判断】Technology is a beauty. We eagerly adopt its pleasure, preferring to cope with the drawbacks on the morning after.
Q: Technology is like an art, which everybody including scientists loves.

【阅读判断】Norwich, the capital of the part of Britain known as East Anglia, has been in existence for more than two thousand years. It began as a small village beside the River Wensum.
Q: The River Wensum flows by Norwich.

【阅读判断】The tornado caused a lot of damage to cars and houses in the area. It will take a long time and much money to repair everything. There was also serious water damage from the thunderstorms. The heavy rains and high wind caused the power to go ou

【阅读判断】Back in 1969, US President Richard Nixon confidently predicted: “In the next 50 years, we shall see a woman president, perhaps sooner than you think.” Today, not too far off Nixon’s deadline, America is looking at that possibility. Over the wee

【阅读判断】Fermi's genius was known throughout the scientific world. In 1938 he had won a Nobel Prize. Four years later he produced the first nuclear chain reaction, leading us into the nuclear age.
Q: Fermi, an experimentalist as well as a theoreticia

【阅读判断】Finally, though a child’s "teachers" may not have been trained in language teaching, their relations with him are always close and personal. They take great pains to make their lessons easy.
Q: So far as language teaching is concerned, the t

【阅读判断】The river was so high that the water ran into streets and houses. Many streets had to be closed to cars and trucks because of the high water. This made it difficult for fire trucks, police cars, and other rescue vehicles to help people who were