知性英语－Deserts
Scientists 1 are trying to make the deserts 3 into a good land 4 again. They want to bring water to the deserts, so people can live and grow plants there. They are learning 5 a lot about the deserts. But more and more of the earth 6 is becoming deserts all the time. Scientists may not be able 7 to change the deserts in time. Why is more and more land becoming deserts? Scientists think that people make deserts. People are doing bad things to the earth. Some places on the earth don't get very much rain. But they still don't let the hot sun make the earth even 8 drier. Plants don't let the wind blow the dirt 9 away(吹跑). When a little bit 10 of rain falls, the plants hold the water. Without plants, the land can become desert 2 much more easily 11.
- Scientists have established a connection between cholesterol levels and heart disease. 科学家已证实胆固醇含量与心脏病之间有关联。
- Scientists disagree about how the universe was created. 科学家对宇宙是怎样形成的有分歧。
- arid and semi-arid deserts 干旱和半干旱的沙漠
- On the floor of the basins lie deserts, lakes and swamps. 这几个盆地的底部有沙漠、湖泊和沼泽。 来自《简明英汉词典》
- Farmers work on the land.农民在土地上干活。
- How long is it before we land?我们还有多长时间降落？
- When you are learning to ride a bicycle,you often fall off.初学骑自行车时，常会从车上掉下来。
- Learning languages isn't just a matter of remembering words.学习语言不仅仅是记些单词的事。
- How good and able he is!瞧他多能干啊！
- He is able to do this job well.他有能力做好这件工作。
- It was cold yesterday,but it's even colder today. 昨天冷，今天更冷了。
- He's the best teacher even though he has the least experience.尽管他经验最少，但教得最好。
- The children were outside playing happily in the dirt.小孩在外面的泥土里玩得很开心。
- She swept the dirt out.她扫除了灰尘。