- 阅读理解。Enough sleep is important to health. The amount of sleep needed depends on the age of the person andthe con...
- 阅读理解。Every day, in all kinds of weather, many thousands of men and women jog. Why has jogging-runningslowly for ...
- 阅读理解。Paragraph 1Scientists have learned a lot about the kinds of food people need. They say that there are sever...
- 阅读理解。How to Build a Windbreak to Protect SoilFarmers use different kinds of soilconservationmethods to protect t...
- 阅读理解。Organ TransplantationsThere were many horror stories in the 19th century about crazy (疯狂的) doctors who t...
- 阅读理解。Head above WaterTUVALU, a tiny country in the Pacific Ocean, has asked for help as it will be swallowed up ...
- 阅读理解。Want a glance of the future of health care? Take a look at the way the various networks of people aboutpati...
- 阅读理解。Some 30 million Americans suffer from insomnia. Here, our expert panel provides you with four differentsolu...
- 阅读理解。Hiking is not only one of the best forms of physical exercise, but it is also one of the best forms of ment...
- 阅读理解。About 97% of the world's water is salty and is found in our oceans and seas. But, as we can't drinkseawater...
- 根据短文内容,回答问题。For most Americans, a clean glass of water is just a faucet away. But for many of the world's...
- 阅读理解。The world itself is becoming much smaller by using modern traffic and modern communication means.Life today...
- 阅读理解。Ask someone what they have done to help the environment recently and they will almost certainly mentionrecy...
- 阅读理解。Qiao is a sixth grader at Yuhui Primary School. He is only 12 years old but has been smoking for threeyears...
- 阅读理解。It's 5:00 in the morning when the alarm (闹钟) rings in my ears. I roll out of bed and walk blindly through...