九年级全一册英语（人教版）同步训练：Unit 13 We're trying to save the earth!Section A (3a-3b)（含答案）

　[Unit 13 Section A (3a-3b)]
Ⅰ. 用括号中所给单词的适当形式填空
1.She’s going to work in the 　　　　(south) part of China next year.
2.More than six 　　　　(million) fish in the lake were dead because of water pollution.
3.We should use　　　　(reuse) bags instead of plastic bags.
4.So far, they 　　　　(build) four new schools in that poor area.
5.The 　　　　(transport) in China is developing quite fast.
Ⅱ.用方框中所给单词的适当形式填空
harm, science, law, industry, cruel
6.We should make some　　　　 to protect the environment.
7.The tourist 　　　　in the city is becoming more and more important.
8.I think it’s 　　　　of them to shoot the animals.
9.Smoking is 　　　　to your health. You must give it up.
10.We should use some　　　　 ways to solve the problems.
Ⅲ. 根据汉语意思完成句子
11.过量饮酒对你的健康十分有害。
It’s very 　 　　　to your 　　 　 too much.
12.事实上,它将给所有的海洋生物带来危害。
　　　　 　　　　, it will 　　　 　danger to all ocean life.
13.放学后,大多数的学生参加各种课外活动。
After school, most students 　　　　 all kinds of after-school activities.
14.听!杰克正在音乐教室里引吭高歌。
Listen! Jack is singing 　　 　　his voice in the music room.
15.目前很多动物的数量在下降。
At present the number of many animals .
Ⅳ. 单项选择
(　　)16.—What will happen to the sharks if their fins 　　 　　off
—They will slowly die.
A.were cut B.are cut
C.cut D.will be cut
(　　)17.—Could you tell me how to 　　 　　the food by QR code(二维码) on the phone
—Sure, let me show you.
A.pay for B.look for
C.care for D.search for
(　　)18.[2021·龙东改编] —Kate, don’t forget to 　　 　　the light when you leave the room.
—OK, Mom.
A.cut off B.put off
C.turn off D.take off
(　　)19.—Her English 　　 　　a lot so far.
—That’s true.
A.has improved B.is improving
C.improved D.was improving
(　　)20.—How much is the ticket to Central Park
—A one-way ticket 　　　 　$40, and you can 　 　　　another $20 for a round trip.
A.costs; pay B.costs; spend
C.pays; spend D.spends; take
Ⅴ.词语运用
Waste can be seen everywhere in the school. Some students ask for 21.　　　　(much) food than they can eat and others often forget 22.　　　　(turn) off the lights when they leave the classroom.They say they can afford these things. 23.　　　　 I don’t agree with them.
Waste can bring a lot 24.　　　　 problems. Although China is rich in some resources(资源), we are short of(缺乏) others. For example, we’re short of fresh water(淡水). It is
25.　　　　(report) that we may have no coal or oil to use in 100 years. So if we go on wasting our resources, what can we use in 26.　　　　 future and where can we move Think about it. I think we should say no to the 27.　　　　(student) who waste things every day. Everybody should stop 28.　　　　(waste) as soon as possible.
In 29.　　　　(we) everyday life, we can do many things to prevent waste from happening. Little by little, everything will be 30.　　　　(change). Waste can be stopped one day if we try our best.
答案
　[Unit 13 Section A (3a-3b)]
Ⅰ.1.southern　2.million　3.reusable 4.have built　5.transportation
Ⅱ.6.laws　7.industry　8.cruel　 9.harmful　10.scientific
Ⅲ.11.harmful; health to drink 12.In fact; bring　13.take part in
14.at the top of　15.is dropping
Ⅳ.16.B　
17.A　句意:“你能告诉我怎样用手机上的二维码为这些食物付款吗 ”“当然,让我展示给你。”pay for意为“为……付款”。
18.C　
19.A　动词的时态。so far常和现在完成时连用,
20.A　动词辨析。spend time/money on/(in) doing…意为“在……上花费时间或金钱”;pay (sb.) money for…意为“付钱(给某人)买……”; “Sth. costs (sb.)+金钱”意为“某物花了(某人)多少钱”;“It takes sb.+时间+to do sth.”意为“做某事花费某人多长时间。”第一空物作主语,应用cost,第二空根据介词for可知用pay。
Ⅴ.21.more　22.to turn　23.But　24.of　 25.reported　26.the　27.students
28.wasting　29.our　30.changed