题目内容
从方框中选择恰当的短语，用其正确形式填空，完成句子。
| turn down be friendly to in fact come from day off |
1. Koalas are lazy animals and they Australia.
2. Would you mind the music a little? Morn is sleeping now.
3. I like different kinds of meat. ，I have beef, mutton, chicken and fish every week.
4. On our next , we will volunteer our time to visit the old people' s home
.
5. Tony everyone and many people like making friends with him.
1. come from 2.turning down 3. In fact 4.day off 5. is friendly to
天天向上一本好卷系列答案
小学生10分钟应用题系列答案
B. watches C. watched阅读理解,根据短文内容，从短文后的选项中选出适当的选项补全短文。
The earth is about 4,600 million years old. We humans have lived on the earth for only 35,000 years, but during this period we have changed our planet a lot in many ways. 1
All over the world, people have cut down millions of trees, so more and more kind
s of animals and plants are disappearing. In big cities, cars and buses have polluted the air. Factories have also polluted the land and the water.
2 It is important to the earth. But now air pollution is destroying it and that has made a very big hole in the ozone layer (臭氧层). 3 This is very dangerous because it can cause cancer.
Carbon dioxide (CO2) in the air has increased a lot. 4 it has formed a "blanket" (毛毯) around the each. 5 This makes our earth become warmer and warmer. Therefore, this causes the level of the ocean to rise.
All these problems are very serious. We must do something to stop our earth from being polluted anymore.
| A. The heat from the sun can' t escape, so the temperature is rising. B. Too much harmful light from the sun passes through it and reaches the earth directly, C. Some things we've done are very good for the earth while some are bad. D. Around the earth, there’s a special kind of oxygen (O2) called "ozone" (O3). E. It mainly comes from different kinds of burning materials. |