《2025年家庭作业八年级英语上册人教版》

题组 3 用方框中所给短语的适当形式填空
play a role in live up to feel free take a walk
1. After dinner, my parents and I often take a walk in the park.
2. Trees play a role in keeping the air clean.
3. Blue whales can live up to 90 years.
4. Please feel free to take some cookies—I made them myself.

答案： 题组3:1.take a walk 2.play a role in 3.live up to 4.feel free

题组 4 选词填空
except without while
1. She left the house without saying goodbye.
2. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand.
3. I like all colours except black.

答案： 题组4:1.without 2.while 3.except

题组 5 辨析填空
the number of 与 a number of
1. The number of students in our class is 45.
2. A number of tourists visit this famous lake every year.

答案： 题组5:1.The number of 2.A number of

题组 6 根据中文意思，补全英语译文
watch sb doing sth 与 watch sb do sth 辨析
1. 在我们街区，我经常观看一些年轻人打篮球。
I often watch some young men play basketball in our neighbourhood.
2. 昨天下午，我看到一些孩子正在操场上放风筝。
Yesterday afternoon, I watched some children flying kites on the playground.

答案： 题组6:1.watch,play 2.watched,flying

题组 7 “one of the + 形容词最高级 + 名词复数”的用法
根据中文意思，补全英语译文
1. 北京是世界上最大的城市之一。
Beijing is one of the biggest/largest cities in the world.
用括号内所给单词的适当形式填空
2. 他的班级中年龄最大的学生之一是英国人。
One of the oldest students is/was (be) English in his class.

答案： 题组7:1.the biggest/largest cities 2.is/was

综合填空
阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
话题：亚马孙之最 难度：★★★ 建议用时：7'
Twenty per cent ____ all the water that goes into oceans around the world comes from one river—the Amazon River.
The Amazon River ____ (begin) in the Andes Mountains in Peru. It travels about 6,400 kilometres to the Atlantic Ocean, ____ it is the largest river in the world. It is also the ____ (two) longest. Most of the Amazon's water comes from rainfall. During the ____ (rain) season, parts of the river can be up to 190 kilometres wide.
The Amazon River goes through the world's largest rainforest—the Amazon rainforest. It is home ____ the highest number of plant and animal species (种类) ____ earth. There are 2.5 million kinds of insects. At least 3,000 kinds of fish ____ (live) there, and one - fifth of all the bird species in the world can be found there. Some of the Amazon's ____ (animal) are dangerous, such as the anaconda, the largest snake in the world. But there are also gentle animals, like the sloth and the pink dolphin.
The Amazon is very important to the earth. There are still many kinds of animals and plants there that we don't know about. If we ____ (lose) the Amazon, we will lose a big part of life.
1. of 2. begins 3. and 4. second 5. rainy 6. to 7. on 8. live 9. animals 10. lose

答案： 1.of 2.begins 3.and 4.second 5.rainy 6.to 7.on 8.live 9.animals 10.lose