《2025年自主学习手册辽宁少年儿童出版社八年级英语上册译林版》

一、根据首字母或汉语提示,写出所缺单词
1. The atmosphere of Mars could not support (维持) life.
2. This is going to be a hard problem for us. We must try the best to solve it.
3. Penguins cannot fly but use their wings for swimming.
4. There has been below average rainfall (降雨量) this month.
5. The changing climate (气候) is having an influence on the world's ecosystems.

答案： 1. support
2. hard
3. Penguins
4. rainfall
5. climate

1. There are no differences (different) between the education systems of the two countries.
2. There was a child lying (lie) on the ground.
3. What happened? Is there anything (something) wrong with him?
4. Beside water, half of the body's weight is (be) protein.
5. The programme was about customs in different parts (part) of the country.

答案： 1. differences
2. lying
3. anything
4. is
5. parts

Our planet is home to different ecosystems. (1) Rainforests are very important as they are where (2) half of the world's animals and plants live. Coral reefs, which may seem like ordinary rocks at first glance, actually (3) provide a large number of species within a small area. Grasslands often serve as a transitional zone, lying between deserts and forests. They (4) offer a habitat for animals. And then there's polar ice. It's the home of animals like polar bears in the Arctic and penguins in the Antarctic, who have adapted to the extreme conditions. These different (5) ecosystems together make up the rich and varied natural world we know.

答案： Rainforests; half of; provide; offer; ecosystems

1. 大卫知道,内蒙古的草原是马和牛的栖息地。
David knows that the grasslands in Inner Mongolia are home to horses and cows.
2. 大卫说,沙漠非常干旱,因为降雨量极少。
David says deserts are very dry because there is little rainfall.
3. 并且在沙漠中昼夜温差极大。
And in deserts the temperature varies greatly from day to night.
4. 他补充道,沙漠的气候十分恶劣,只有少数动植物能够在那里生存。
He adds that the climate in deserts is so harsh that only a few animals and plants can survive there.
5. 他还提到,沙漠植物会在叶子中储存水分,许多动物可以从这些植物中获取水分。
He also mentions that desert plants store water in their leaves and many animals can get water from these plants.

答案： 1. are home to horses and cows
2. because there is little rainfall
3. the temperature varies greatly from day to night
4. is so harsh that
5. store water in their leaves

五、微写作 How much do you know about the polar ice? (At least 3-5 sentences)The polar ice refers to the ice found in the Arctic and Antarctic regions. It plays a crucial role in regulating the Earth's climate by reflecting sunlight back into space. Due to global warming, the polar ice is melting at an alarming rate, causing sea levels to rise. This poses a serious threat to coastal communities and ecosystems around the world.

答案： The polar ice refers to the ice found in the Arctic and Antarctic regions. It plays a crucial role in regulating the Earth's climate by reflecting sunlight back into space. Due to global warming, the polar ice is melting at an alarming rate, causing sea levels to rise. This poses a serious threat to coastal communities and ecosystems around the world.