精品资料Unit3 单元练习一、判断下列画线部分的读音是否相同，相同的画 ，不同的画。( ) 1. feetsheep( ) 2. sweaterspeak( ) 3. leafteam( ) 4. tree tea( ) 5. heavy beat( ) 6. great beach二、根据句意和首字母提示补全单词。1. We should p_ more trees and help the animals.2. We shouldnt _ (砍伐) more trees.3. There is m_ grass under the tree.4. Its time to _ (关爱) Mother Earth.5. You drink _ (太多) water. 三、选择最佳答案。( ) 1. How _ we save water?A. do B. does C. doing( ) 2. She is going to _ trees on the hill.A. plant B. planting C. planted( ) 3. I should go to work _ today.A. on foot B. by foot C. on bus( ) 4. You _ go out to play for a while.A. have better B. had better C. has better( ) 5. We live _ the earth _ many animals.A. in; with B. on; with C. on; and四、根据常识选一选。 Its raining. (1) You _ (A. should B. shouldnt) take your umbrella.(2) You _ (A. should B. shouldnt) put on your rubber boot.(3) You _ (A. should B. shouldnt) go swimming.(4) You _ (A. should B. shouldnt) stand under the tree.五、按要求完成下列各题。1. There are some trees on the earth. (改为一般疑问句)_2. We should cut down more trees. (改为否定句)_3. We live on the earth. (对画线部分提问) _4. You should help the animal. (对画线部分提问)_5. Pick flowers. (改为否定句)_六、小练笔。以“Care For Earth”为题，向同学介绍我们应怎样关爱家乡。（不少于5句话）_参考答案一、1-6 二、1. plant 2. cut down 3. much 4. care for 5. too much三、1-5 AAABB四、(1) should (2) should (3) shouldnt (4) shouldnt五、1. Are there any trees on the earth?2. We shouldnt cut down more trees.3. Where are we live?4. What should you do?5. Dont pick flowers.六、略最新精品英语资料