内容正文:
Unit 3 Trees and us.单元语法与语音过关练
一、根据音标写单词。
1. /blu:/ 2./glæd/
3. /klɑ:s/ 4./brɑ:ntʃ/
5. /grəʊ/ 6./kraɪ/
7. /flæt/ 8./'fri:zɪŋ/
二、用所给词的适当形式填空。
1.The wind (blow) strongly.We'd better not go out now.
2.Look!The man in a hat (tie) a dog with a rope.
3.—The robots (race) each other to the finish line.
—How exciting! Our robot is going to win.
4.My sister always (run) in the morning.Look! She (run) right now.
5.My brother likes Mickey Mouse, but he (hate) real mice.
6.Keep quiet!Andy (sleep).He is too tired.
三、选词并用其适当形式填空。
side breathe work product
1. The company's new are very popular among young people.
2. There are many tall buildings on both of the road.
3. Jane,you look so tired. Stop go to bed now.
4.Humans take in oxygen and out carbon dioxide.
四、按要求完成句子,每空一词。
1.I am shopping with my mom right now.(改为一般疑问句)
with your mom right now?
2.Mark is exercising in the park at the moment.(改为否定句)
Mark in the park at the moment.
3.She is taking care of her pet at home now.(对画线部分提问)
she at home now?
4.—— Are the farmers working in the field?(作出否定回答)
—— , they .
5.We often read books in the library.( 用 now改写句子)
We books in the library now.
五、完成句子。
1.为了保护野生老虎,我们需要呼吁更多人加入我们。
To protect wild tigers,we need to more people to join us.
2.小男孩从朋友那里借了一个玩具。
The little boy a toy his friend.
3. 骑自行车出行有助于减少空气污染。
Travelling by bike is helpful in air pollution.
4. 例如,我们应该种植更多的树木。
we should plant more trees.
六、用现在进行时的句子或对话描述图片。
1.(give flowers, now)
________________________________________________
2.(sing the Happy Birthday song,right now)
________________________________________________
3.(plant trees; no, plant flowers)
________________________________________________
4.(have dinner; no, have breakfast, now)
________________________________________________
七、补全对话。
A:Hi,Steve How are you?
B:Hello,Claire. Fine,thanks. 1._____________________________________?
A:I am looking for Jiulongtan Forest Park on the map.
B:Why do you want to go there?
A:2._____________________________________. Finding some rare (稀有的) plants is my favourite. Do you want to go with me?
B:3._____________________________________.
A:That's great!
B:4._____________________________________?
A:We can go there by bus and get off at the gate of Jiulongtan Forest Park.
B:5._____________________________________
A:It's only 4 kilometres. Let's go.
八、根据短文内容或用所给词的适当形式填空。
Now it's time for a break.All the students are on the playground.Some 1.________(run), some are playing basketball, and others 2.________(walk) on the playground.What is Kate 3.________(do) now? She is playing games with her friend.They 4.________(not feel) tired.Is John 5.________(play) sports,too? No, he 6.________.(read) a book under a big tree.He 7.________(enjoy) reading.Look! Who is singing 8.________song? It's Linda.Her voice 9.________(sound) beautiful.Some of her classmates are listening to her.Look! Some teachers are also on the playground.They are doing all kinds of activities.All of the teachers and students 10.________(have) a good time now.They like their school life a lot.
九、短文还原。
Sequoia (红杉) National Park is in California,the USA. It's famous for its giant sequoia trees—the largest trees on Earth Every year,thousands of people come to see them.1.________
One big problem is wildfires. For example,because of the hot,dry weather,big fires burned in2020 and 2021.2.________It may take a long time for both humans and nature to recover (恢复).
3.________These beetles (甲虫)lived peacefully with sequoias in the past,but now they are harming the trees. They dig holes (洞) in the highest parts of the trees. 4.________There are so many small beetles that they can make a big tree die in just six months!
Scientists are trying to help.5.________However,it is impossible to climb every tree. So now,scientists are using robots and satellites to help. In this way,they can help protect more trees.
A. Sadly,about 20% of the world's 75,000 sequoias died.
B. And slowly these insects move down the trunk,eating the trees as they go.
C. Another problem comes from bark beetles.
D. But these trees are in trouble.
E. They climb the trees to look for beetle holes.
参考答案
一、blue;glad;class;branch;grow;cry;flat;freezing
二、is blowing;is tying;are racing;runs;is running;hates;is sleeping
三、product;sides;working;breathe
四、Are you shopping;is not exercising;What is doing;No aren' t;are reading
五、call on;borrowed from;cutting down;For example
六、1.The boy is giving flowers to his teacher now.
2.The mother is singing the Happy Birthday song right now.
3.— Are they planting trees?— No, they aren't.They are planting flowers.
4.— Is he having dinner now?— No, he isn't.He is having breakfast now.
七、1.What doing
2.Because I want to find some rare plants there
3.Yes(,I'd love to)
4.How can we go there
5.How far is it from here to the park ?
八、are running;are walking;doing;don't feel;playing;is reading;enjoys;a;sounds;are having
九、DACBE
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