内容正文:
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. feet
sheep
( ) 2. sweater
speak
( ) 3. leaf
team
( ) 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 shouldn’t _______ (砍伐) more trees.
3. There is m_______ grass under the tree.
4. It’s 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。
It’s raining.
(1) You _______ (A. should B. shouldn’t) take your umbrella.
(2) You _______ (A. should B. shouldn’t) put on your rubber boot.
(3) You _______ (A. should B. sh