Unit 4词汇练习 -2025-2026学年沪教版七年级英语上册

Unit 4词汇练习（基础+提升） 一、基础层 （一）根据句意及提示完成单词 1. The Earth is one of the planets in the s______ system.（太阳系） 2. As far as we know, the Earth is the only planet that supports l______.（生命） 3. Air p______ is a serious problem that harms many living things.（污染） 4. We should p______ trees instead of cutting them down to protect the Earth.（种植） 5. The Earth p______ us with food, water and clean air.（提供） 6. Global warming makes the sea l______ rise gradually.（海平面） 7. Many animals are in danger of dying o______ because of habitat loss.（灭绝） 8. The mountain is covered with thick snow; it’s f______ cold there.（极冷的） 9. There are h______ of kinds of plants on the Earth.（数百） 10. The small village is in the n______ of our city, near the forest.（北部） 11. Plants can t______ carbon dioxide into oxygen.（把……变成） 12. We should try our b______ to reduce waste and protect the Earth.（最大的努力） 13. The river is f______ in winter because the temperature drops below zero.（结冰的） 14. A grain of r______ is as small as the smallest plant on Earth.（米饭） 15. What s______ can we think of to solve the Earth’s problems?（解决方案） （二）用所给词的适当形式填空 1. The Earth ___________ (cover) with 71% water, but most of it is salt water.（被动语态） 2. Air pollution ___________ (harm) both humans and animals.（一般现在时） 3. We should try our best ___________ (protect) the Earth from pollution.（try to do 固定用法） 4. There are ___________ (few) trees in the area than before because of cutting down.（比较级） 5. The ___________ (freeze) river is safe for people to walk on in winter.（形容词修饰名词） 6. The plant is as ___________ (small) as a grain of rice.（as...as... 用原级） 7. ___________ (pollute) from factories makes the river dirty.（名词形式作主语） 8. There ___________ (be) hundreds of kinds of birds in the wetland.（There be 句型） 9. We need ___________ (save) more water because it’s precious.（need to do 固定用法） 10. The tallest tree in the world can reach over 100 metres in ___________ (high).（名词形式） 二、提升层 （一）短语填空 备选短语：be covered with, provide...with..., cut down, die out, try one’s best to, turn...into..., as...as..., hundreds of, in the north of, because of, die from, take care of, end up, more and more, be home to 1. The Earth ___________ all living things—we should protect it well. 2. Many forests ___________ trees, which causes soil erosion. 3. The mountain tops ___________ snow all year round because of the low temperature. 4. The Sun ___________ us ___________ light and heat; it’s important for life. 5. If we don’t protect wild animals, they will ___________ soon. 6. We should ___________ reduce plastic use to protect the environment. 7. Plants can ___________ carbon dioxide ___________ oxygen through photosynthesis. 8. ___________ kinds of animals live in the rainforest; it’s a big habitat. 9. The small town ___________ our province is famous for its clean air. 10. Many animals ___________ hunger because of the shortage of food. 11. It’s our duty ___________ the Earth, our only home. 12. If we keep wasting resources, we will ___________ in a terrible environment. 13. ___________ people realize the importance of protecting the Earth. 14. The baby panda is ___________ lovely ___________ a toy bear. （二）中考链接题 1. — How can we protect the Earth? — We should stop ___________ trees and plant more. A. cut down B. cutting down C. to cut down D. cuts down 2. There ___________ a lot of pollution in big cities, so we need to take action. A. is B. are C. was D. were 3. — Why are some animals dying out? — Because ___________ their habitats are destroyed. A. so B. because C. because of D. as 4. There is ___________ fresh water left, so we must save every drop. A. little B. a little C. few D. a few 5. 同义句转换：The Earth provides us with necessary things. → The Earth ___________ necessary things ___________ us. 6. 同义句转换：The tree is as tall as that building. → The tree has the same ___________ ___________ that building. 7. — What should we do to help the Earth? — We can ___________ waste paper into new paper to reuse it. A. turn B. change C. make D. get 8. — How many kinds of plants are there in the forest? — ___________ hundreds of them. A. At least B. At last C. At first D. At once 参考答案 一、基础层 （一）根据句意及提示完成单词 1.solar 2. life 3. pollution 4. plant 5. provides 6.level 7. out 8. freezing 9. hundreds 10. north 11.turn 12. best 13. frozen 14. rice 15. solutions （二）用所给词的适当形式填空 1.is covered（被动语态，主语为单数） 2. harms（一般现在时，主语为不可数名词） 3.to protect（try one’s best to do 固定用法） 4. fewer（few 的比较级，修饰可数名词） 5.frozen（形容词，表“结冰的”） 6. small（as...as... 中间用原级） 7.Pollution（名词形式，作主语） 8. are（There be 句型，主语为复数） 9.to save（need to do 固定用法） 10. height（名词形式，in height 表“高度”） 二、提升层 （一）短语填空 1.is home to（一般现在时，表“是……的家园”） 2. are cut down（被动语态，表“被砍倒”） 3.are covered with（一般现在时，表“被……覆盖”） 4. provides; with（一般现在时，provide sb. with sth.） 5.die out（情态动词 will 后接动词原形，表“灭绝”） 6. try our best to（情态动词 should 后接动词原形） 7.turn; into（情态动词 can 后接动词原形，表“把……变成”） 8. Hundreds of（固定短语，表“数百”） 9.in the north of（介词短语，表“在……的北部”） 10. die from（一般现在时，表“因……而死”，接外因） 11.to take care of（It’s one’s duty to do 固定句型，表“照顾”） 12. end up（情态动词 will 后接动词原形） 13.More and more（固定短语，表“越来越多”） 14. as; as（as...as... 结构，表“和……一样”） （二）中考链接题 1.B（stop doing sth. 固定用法，表“停止做某事”） 2. A（pollution 为不可数名词，There be 用 is） 3.C（because of 后接名词短语，表“因为”） 4. A（little 修饰不可数名词，表“几乎没有”） 5.provides; for（provide sth. for sb. 与 provide sb. with sth. 同义） 6. height as（the same height as 与 as tall as 同义） 7.A（turn...into... 固定短语，表“把……变成”） 8. A（at least 表“至少”，符合语境） 学科网（北京）股份有限公司 $