仁爱科普版九年级上册Topic 2 Some things usually have different meanings in different cultures.优秀练习题

这是一份仁爱科普版九年级上册Topic 2 Some things usually have different meanings in different cultures.优秀练习题，文件包含同步练习仁爱版初中英语九年级上册Unit3Topic2SectionB原卷版docx、同步练习仁爱版初中英语九年级上册Unit3Topic2SectionB解析版docx等2份试卷配套教学资源，其中试卷共21页， 欢迎下载使用。

Sectin B
【学习目标】
By the end f the lessn, students shuld be able t:
Wrds and phrases: silence, praise, research, secret, victry, misunderstanding, be knwn as, use sth. t d sth., help sb. with sth.,
avid ding sth.
Sentences: I wnder if bdy language means the same thing in all cultures.
I think that is knwn as bdy language.
Grammar: Expressing the future by present cntinuus.
Difficult pints：
能理解在不同的国家，同一个肢体语言的含义是有差异的。
【预习导学】
必备单词、短语和句子
1________________v.上(船、火车、飞机等);住宿
2________________v.点头,鞠躬
3________________n.沉默;无声v.使安静;压制
4________________n.臀部;髋
5________________v.&n.表扬,赞扬
6________________n.研究,调查,探索
7________________做调查
8.挥手___________________________________
9.作为…有名___________________
10.因为…有名_____________________________
11.为…所熟知___________________
12.身体语言______________________________
13.点头_________________________
14.摇头__________________________________
15.镇静______________________
16.做调查__________________________________
17.我想知道老师是否将表扬我还是处罚我
___________________________________
18.我们应该作一个关于身体语言的调查
_____________________________________
答案：
1bardv.上(船、火车、飞机等);住宿
2bwv.点头,鞠躬
3silencen.沉默;无声v.使安静;压制
4hipn.臀部;髋
5praisev.&n.表扬,赞扬
6researchn.研究,调查,探索
7d sme research做调查
8.挥手 wave ne’s hand
9.作为…有名 be knwn/famus as
10.因为…有名 be knwn/famus fr
11.为…所熟知 be knwn/famus t
12.身体语言 bdy language
13.点头 nd ne’s head
14.摇头 shake ne’s head
15.镇静 calm dwn
16.做调查 d sme research
17.我想知道老师是否将表扬我还是处罚我
I wnder whether the teacher will praise r punish me.
18.我们应该作一个关于身体语言的调查
We shuld d sme research abut bdy language.
【探究提升】
Sectin B
1. Yuki, when Jane says “Hi” she waves her hand, but when yu say “Hell” yu bw.
wave v. 招手示意；摇动； 波动 n. 波浪
wave ne’s hand 招手 sea wave 海浪
2. In Japan, we bw when we are saying hell as a sign f respect.
bw 点头；鞠躬
sign 迹象；符号；记号；手势
as a sign f... 以示...
3. I think that is knwn as bdy language.
be knwn as 被认为是...; 以...著称
be knwn fr 因...而著名
be knwn t 为某人所知
4. We use bdy language t cmmunicate hw we feel, even if there is silence.
(1) even if=even thugh 即使，纵然 引导让步状语从句
(2) silence n. 沉默，无声
silence v. 使安静，压制
silent adj. 沉默的，无声的
5. When my little sister is angry, she crsses her arms and stamps her ft.
(1) crss v. 穿过(从表面); 交叉
acrss prep. 穿过
(2) stamp n. 邮票 v. 跺
6. I wnder if bdy language means the same thing in all language.
wnder n. 惊奇；奇迹
wnder v. 怀疑；想知道；惊讶
wnderful adj. 精彩的
I wnder if/whether+从句 我想知道是否...
7. We shuld d sme research.
(1) research n.&v. 研究，调查，探索
d sme reach n sth.
search 搜索，搜寻
search fr sme infrmatin
8. T avid misunderstanding, yu shuld study bth spken and bdy language.
(1) misunderstand v. 误解
(2) spken language 口头语言
(3) bdy language 肢体语言
(4) written language 书面语言
【体系构建】
【强化训练】
一、单项选择·
1．It’s nrmal fr yu t make mistakes smetimes. After all, ________ is perfect.
A．everybdyB．anybdyC．nbdy
2．Teenagers shuld use as few electrnic prducts as pssible t___________ their eyes.
A．prtectB．plluteC．punish
3．—At lunch time, if yu sit by yurself, will yu feel lnely?
—Maybe I will. If s, I might jin ________at their table.
A．everyneB．anyneC．smeneD．nne
4．—What d yu think f the dress?
—Great. I dn’t think I can get a ________ ne.
A．betterB．gdC．wrst
5．—I have truble with my English.
—Jhn’s English is the ________ in ur class. Yu can ask him fr help.
A．wrstB．bestC．fastestD．slwest
6．—What wuld yu like, hamburgers r sandwiches?
—_________ I’d like sme tmat ndles.
A．Neither.B．All.C．Nne.D．Bth.
7．At 09:56 n 16 April 2022, the return capsule f the Shenzhu-13 manned spacecraft landed successfully at the Dngfeng landing site. It’s reprted that ur three astrnauts were in gd physical ________.
A．situatinB．cmmunicatinC．cnditin
8．It is ________ t say “Thank yu” t ther peple.
A．humrusB．rudeC．plite
9．—Peple in ancient times carried dgwd (茱萸) n the Chngyang Festival.
—Yes. They believed that the plant culd drive away evil spirits (邪灵) and _______ them.
A．prtectB．hurtC．punishD．refuse
10．—Guess what? I’m in the 26th Wuxi Schl Students’ Spken English Finals!
—Ww! That’s ________ news I’ve heard this term, Bris! Let’s celebrate.
A．a wrseB．the wrstC．a betterD．the best
二、完形填空
通读下面短文，掌握其大意，从每小题所给的四个选项中选出一个最佳答案。
When peple talk abut air pllutin, they are usually thinking abut utdr air pllutin. But d yu knw that 11 is als air pllutin inside hmes, ffices, htels and ther buildings? The air in yur hme can be 2 t 100 times 12 plluted than the air utdrs! In fact, sme American dctrs say that 50% f the illnesses have 13 t d with the plluted indr air.
A lt f pllutin cmes frm indr activities 14 smking and cking. As mst peple 15 abut 80%-90% f their time inside buildings, it is imprtant t take indr air pllutin seriusly, t.
Air pllutin influences ur health in many 16 . When the air is plluted, nt nly yung children and ld peple suffer frm it, 17 peple with health prblems suffer as well. Indr air pllutin can 18 peple’s eyes, nses and thrats. Air pllutin, bth indr and utdr, can als 19 t lung cancer and heart disease! In the Great Lndn Fg in 1952, 4, 000 peple died in a few days 20 the pllutin! It is said that half a millin yung children and wmen die each year in India because f indr air pllutin!
11．A．itB．thisC．thereD．that
12．A．asB．mreC．muchD．many
13．A．smethingB．everythingC．nthingD．anything
14．A．as well asB．s asC．instead fD．such as
15．A．takeB．spendC．cstD．give
16．A．waysB．thingsC．husesD．years
17．A．andB．rC．whileD．but
18．A．plluteB．hitC．hurtD．beat
19．A．causeB．getC．giveD．lead
20．A．becauseB．because fC．related tD．thanks t
三、阅读理解
A
根据材料内容选择最佳答案。
21．What prblem is Eric talking abut?
A．The greenhuse effect.B．Water pllutin.
C．Strms and flds.D．Trees cutting.
22．________ peple in Nrth America can’t see the Milky River because f light pllutin.
A．Abut 70 percentB．Abut 76 percentC．Abut 83 percentD．Abut 80 percent
23．Which cuntry is mst seriusly plluted by light?
A．Japan.B．Singapre.C．China.D．America.
24．What’s the prblem in Hangzhu?
A．Peple are destrying the frests.B．Peple waste paper in their daily life.
C．Peple use t many plastic bags in life.D．Peple kill many wild animals.
25．What can we d t prevent the haze?
A．Exercise every day in the pen air.B．Open the windw all day lng.
C．Put n yur heavy clthes.D．Remember t wear a mask.
B
The envirnment is everything arund yu. D yu knw what pllutin is? Pllutin includes all the harmful materials that make ur envirnment dirty. Yu’ve prbably heard abut pllutin in ur envirnment many times befre. Maybe yu’ve heard abut chemicals and industrial waste. Yu usually think f this as being in the air r the water r the sil. Interestingly enugh, scientists are nw just as cared abut ur indr. There is such a thing as indr air pllutin. What is that? Why is it imprtant?
Indr air pllutin includes the things that make ur inside wrld dirty r impure. Scientists realize nw that peple spend almst ninety percent f ur lives indrs. Peple wrk inside and study inside. They eat and drink inside. They sleep indrs. S, while the utdrs needs t be kept clean, scientists realize that the indr air quality(质量) is very imprtant as well.
It’s imprtant that peple knw the results f pllutin. All air pllutin cntributes t lung disease. Lung disease is the third leading cause f death in the United States. Obviusly, it will be gd if peple reduce pllutin in all parts f ur envirnment.
根据材料内容选择最佳答案
26．Which f the fllwing is TRUE abut the pllutin?
A．Pllutin is everything that makes ur envirnment.
B．Pllutin is chemicals and industrial waste.
C．Pllutin is nly in the air, the water r the sil.
D．There is nt nly utdr pllutin but als indr pllutin.
27．What’s the meaning f the underlined wrd “impure”?
A．乱的B．不纯的C．干净的D．糟糕的.
28．Peple spend ________ f their lives utdrs accrding t the scientists.
A．75%B．90%C．100%D．10%
29．Which is the scientist’s pinin?
A．Peple need t keep the utdrs clean instead f the indrs.
B．The indr air quality is as imprtant as the utdrs.
C．Only utdr pllutin will cause lung disease.
D．It desn’t matier if peple dn't knw the results f the pllutin
30．What’s the best title fr the passage?
A．Indr Air PllutinB．Outdr Air Pllutin
C．Lung DiseaseD．The Results f Air Pllutin
四、补全对话
从选项中选择正确选项，其中有一个选项与对话内容无关。
Jane: Excuse me, Kate, what are yu searching fr n the Internet?
Kate: 31
Jane: Nise pllutin? What is nise pllutin? 32
Kate: OK. Everyne knws that air pllutin is bad fr ur health, but nt all peple knw that nise is als a kind f pllutin. 33
Jane: Really? 34
Kate: Yu knw, many f the wrkers wh print newspapers and bks and the peple living near the airprt becme deaf because f much nise.
Jane: Is that s? 35 Is that a kind f pllutin?
Kate: Yes. What’s mre, t much nise that planes r machines prduce can even make peple ill.
Jane: That sunds terrible. Thank yu fr telling me. I’ll tell everyne abut the nise pllutin.
A．Nise pllutin is bad fr ur health, t.
B．I like listening t pp music.
C．Abut nise pllutin.
D．Hw des nise pllutin prduce?
E．But hw can that be?
F．Please tell me abut it, will yu?
五、语法填空
阅读下面短文，在空白处填入1个适当的词或括号内单词的正确形式。
Have yu seen pieces f litter arund where yu live? Drpping litter desn’t lk nice; it can harm the envirnment and it is actually against 36 law. Litter means all srts f things 37 have been drpped in a public space, including bttles, cans, cigarette ends, crisp packets and sweet wrappers. Litter cllects n streets and paths, 38 rivers, parks, trees and buses. It can take 39 （hundred）f years t decmpse（slwly break dwn and disappear）and can damage the sil.
Wildlife suffers because f litter. Animals can get injured by sharp cans r glass, r they might even accidentally eat bits f plastic. Litter is blwn by the wind and 40 （wash）int rivers and drains. Eventually 41 （this）things end up in the sea, where they can be a danger t sea creatures.
If yu’re ding a clean-up peratin, ne very 42 （use）thing is a litter picker. It has a handle at ne end and grabber at the ther. Using a litter picker 43 （allw）yu t cllect rubbish easily and safely. Yu shuld always wear prtective 44 （glve）when ut cllecting rubbish. 45 （wear）a bright-clur vest is als a gd idea, but dn’t g picking up litter near a busy rad withut an adult with yu.
参考答案：
1．C
【详解】句意：你有时犯错误是正常的。毕竟，人无完人。
考查代词。everybdy每个人；anybdy任何人；nbdy没有人。根据“It’s nrmal fr yu t make mistakes smetimes.”可知，没有人是完美的，所以犯错是正常的，故选C。
2．A
【详解】句意：青少年应该尽可能少的使用电子产品来保护他们的眼睛。
考查动词辨析。prtect保护；pllute污染；punish惩罚。根据“Teenagers shuld use as few electrnic prducts”可知尽可能少的使用电子产品是为了保护眼睛，故选A。
3．C
【详解】句意：——-在午餐时间，如果你一个人坐着，你会感到孤独吗？——也许我会的。如果是这样，我可能会加入他们的行列。
考查代词辨析。everyne每个人；anyne任何人；smene某人；nne没有一个。 根据“if yu sit by yurself, will yu feel lnely”和“If s, I might jin...”可知，感到孤独就会加入他们的行列，本句是肯定句，用smene。故选C。
4．A
【详解】句意：——你觉得这件连衣裙怎么样？——太好了。我想我找不到更好的了。
考查形容词辨析。gd好的；better更好的；wrst最糟糕的。根据“Great. I dn’t think I can get a … ne”可知，此处应使用better，表示“我觉得我找不到比这件裙子更好的一件裙子了”。故选B。
5．B
【详解】句意：——我的英语有困难。——约翰的英语是我们班最好的。你可以找他帮忙。
考查形容词辨析。wrst最坏的；best最好的；fastest最快的；slwest最慢的。根据“I have truble with my English.”和“Yu can ask him fr help.”可知英语有问题可以找约翰帮忙，说明约翰的英语很好，故选B。
6．A
【详解】句意：——你想要汉堡包还是三明治？——都不要，我要番茄面。
考查代词。neither两者都不；all全部；nne没有一个（三者及以上）；bth两者都。根据“hamburgers r sandwiches?”以及“I’d like sme tmat ndles.”可知汉堡包和三明治都不要，表示“两者都不”应用neither，故选A。
7．C
【详解】句意：在2022年4月16号的上午9点56分，神州十三载人飞船的返回舱在东风着陆点成功着陆。据报道，我们的三名宇航员身体状况良好。
考查名词辨析。situatin情况；cmmunicatin交流；cnditin状况，状态。根据“It’s reprted that ur three astrnauts were in gd physical...”可知，此处表示身体状况良好，in gd physical cnditin，为固定短语。故选C。
8．C
【详解】句意：对别人说“谢谢”是有礼貌的。
考查形容词辨析。humrus“滑稽的，幽默的”；rude“粗鲁的”；plite“有礼貌的”。分析题干可知，跟别人道谢的行为是很有礼貌的。故选C。
9．A
【详解】句意：——古时候人们在重阳节携带茱萸。——是的。他们相信这种植物可以驱邪并保护他们。
考查动词辨析。prtect保护；hurt受伤；punish惩罚；refuse拒绝。根据“They believed that the plant culd drive away evil spirits (邪灵) and…them.”可知，古时候的人们相信茱萸可以驱邪并保护他们。故选A。
10．D
【详解】句意：——你猜怎么着？我进了无锡市第26届学校学生英语口语决赛！——哇！Bris，这是我这学期所听到的最好的消息！让我们庆祝一下吧！
考查形容词辨析和形容词最高级。wrse更差的；the wrst最差的；better更好的；the best最好的。根据“I’m in the 26th Wuxi Schl Students’ Spken English Finals!”，可知“That’ I’ve heard this term,”应是表示“进入决赛”这事是在本学期内所听到的最好的消息，空处应是形容词最高级the best，符合语境。故选D。
11．C 12．B 13．A 14．D 15．B 16．A 17．D 18．C 19．D 20．B
【导语】本文主要讲述了室内污染的严重性。
11．句意：但你知道吗，家里、办公室、酒店和其他建筑内也有空气污染？
it它；this这个；there在那里；that那个。根据“…is als air pllutin inside hmes…”可知此处指的是某处有某物，应用there be句型，故选C。
12．句意：你家里的空气污染可能是室外空气的2到100倍！
as作为；mre更多；much非常；many许多。根据“than”可知此处是比较级，故选B。
13．句意：事实上，一些美国医生说，50%的疾病与室内空气污染有关。
smething某物；everything每件事物；nthing没有东西；anything任何东西。短语have smething t d with意为“与……有关”，故选A。
14．句意：许多污染来自室内活动，如吸烟和做饭。
as well as也；s as只要；instead f而不是；such as例如。根据后文“smking and cking”可知都属于室内活动，此处是举例子，故选D。
15．句意：由于大多数人花费的成本约占他们在建筑物内时间的80%-90%，因此认真对待室内空气污染也很重要。
take耗费；spend花费；cst花费；give给。根据“As mst peple…abut 80%-90% f their time inside buildings”可知空处填“花费”符合语境，主语为“peple”，应用spend。故选B。
16．句意：空气污染在很多方面影响我们的健康。
ways方面；things事情；huses房子；years年。根据“Air pllutin influences ur health in many…”及选项可知，此处填“方面”符合语境，指的是在很多方面影响我们的健康。故选A。
17．句意：当空气受到污染时，不仅幼儿和老人会受到污染，有健康问题的人也会受到污染。
and和；r或者；while当……时；but但是。根据“nt nly yung children and ld peple suffer frm it,…peple with health prblems suffer as well.”可知前后是并列关系，由“nt nly”可知此处填but。故选D。
18．句意：室内空气污染会伤害人们的眼睛、鼻子和喉咙。
pllute污染；hit击打；hurt伤害；beat打败。根据“Indr air pllutin can…peple’s eyes, nses and thrats.”可知此处指的是伤害人们的眼睛、鼻子和喉咙，空处填“伤害”符合情景。故选C。
19．句意：室内外空气污染也会导致肺癌和心脏病！
cause导致；get得到；give给；lead导致。根据空后的“t lung cancer”可知此处指的是导致肺癌，lead t为固定搭配，意为“导致”。故选D。
20．句意：在1952年的伦敦大雾中，4000人在几天内死于污染！
because因为，后接句子；because f因为，后接名词、代词、动名词；related t与……有关；thanks t多亏。根据“In the Great Lndn Fg in 1952, 4, 000 peple died in a few days…the pllutin!”可知前后是因果关系，“the pllutin”为名词，故填because f合适。故选B。
21．A 22．D 23．B 24．C 25．D
【分析】本文主要是四位学生介绍了严重的环境问题。
21．细节理解题。根据“The sea level is rising”及“While in sme parts, it may be t dry t grw plants”可知，Eric讲述的是温室效应的问题。故选A。
22．细节理解题。根据“A new study shws that abut 80 percent peple in Nrth America can’t see the Milky Way”可知，北美有大约百分之八十的人看不到银河。故选D。
23．细节理解题。根据“The mst seriusly light plluted cuntry in the wrld is Singapre.”可知，光污染最严重的国家是新加坡。故选B。
24．细节理解题。根据“An activity in Hangzhu makes peple think mre abut the use f plastic bags in life”可知，这里讲述的是白色污染——塑料袋的滥用问题。故选C。
25．细节理解题。根据“When yu g ut, yu must wear a mask”可知，出去时要戴着口罩，故选D。
26．D 27．B 28．D 29．B 30．A
【导语】本文主要讲述了室内空气污染。
26．细节理解题。根据“Yu’ve prbably heard abut pllutin in ur envirnment many times befre. ”以及“ scientists are nw just as cared abut ur indr. There is such a thing as indr air pllutin”可知不仅有室外污染，也有室内污染。故选D。
27．词义猜测题。根据“Indr air pllutin includes the things that make ur inside wrld dirty r impure ”可知室内空气污染包括使我们的室内世界变得肮脏或者impure，所以impure应该与dirty并列，结合选项可知“不纯的”符合，故选B。
28．细节理解题。根据“Scientists realize nw that peple spend almst ninety percent f ur lives indrs.”可知人们几乎90%的生活都是在室内度过的，所以有10%的生活是在室外，故选D。
29．推理判断题。根据“ S, while the utdrs needs t be kept clean, scientists realize that the indr air quality(质量) is very imprtant as well.”可知科学家们认为室内空气质量和室外空气质量一样重要。故选B。
30．最佳标题题。根据“There is such a thing as indr air pllutin. What is that? Why is it imprtant?”以及全文可知，本文主要讲述了室内空气污染，故选A。
31．C 32．F 33．A 34．E 35．B
【导语】本文为Jean与Kate之间关于噪音污染的对话，讲述了噪音污染对人类的危害。
31．根据上文“Excuse me, Kate, what are yu searching fr n the Internet?”以及下文“Nise pllutin?”可知，此处应是搜索噪音污染。所以选项C“关于噪音污染。”符合情景。故选C。
32．根据上文“Nise pllutin? What is nise pllutin?”及下文“OK. Everyne knws that air pllutin is bad fr ur health, but nt all peple knw that nise is als a kind f pllutin.”可知，此处应是让对方告诉自己噪音污染是什么，结合选项可知，选项F“请告诉我这件事，好吗”符合情景。故选F。
33．根据上文“Everyne knws that air pllutin is bad fr ur health, but nt all peple knw that nise is als a kind f pllutin.”可知，此处表示噪音污染对我们的健康有害，选项A“噪音污染也对我们的健康有害。”符合情景。故选A。
34．根据上文“Really?及下文“Yu knw, many f the wrkers wh print newspapers and bks and the peple living near the airprt becme deaf because f much nise.”可知，此处是在询问噪音污染怎样对我们的健康有害，选项E“但怎么会这样呢”符合情景。故选E。
35．根据下文“Is that a kind f pllutin?”可知，此处应是提到了某种会造成噪音污染的事物，选项B“我喜欢听流行音乐。”符合情景。故选B。
36．the 37．that 38．in
39．hundreds 40．washed 41．these 42．useful 43．allws 44．glves 45．Wearing
【导语】本文主要讲述了环境污染的危害以及介绍了如果你正在进行清理作业，一个非常有用的东西就是垃圾拾取器。
36．句意：它会损害环境，实际上是违法的。against the law“违法法律”，故填the。
37．句意：垃圾是指被扔在公共场所的各种各样的东西，包括瓶子、罐头、烟头、薯片包和糖纸。此处是定语从句，先行词为物，关系词作主语，且先行词被all修饰，应用that。故填that。
38．句意：垃圾堆积在街道、小路、河流、公园、树上和公共汽车上。此处应用地点方位介词in“在……里面”和后面名词表示范围，故填in。
39．句意：它可能需要数百年才能分解(慢慢分解和消失)，并可能破坏土壤。hundreds f“数以百计的”，是固定短语，故填hundreds。
40．句意：垃圾被风吹进河流和下水道。此处动词形式和and前的blwn一致，应用过去分词，故填washed。
41．句意：这些东西最终会进入海洋，对海洋生物构成威胁。空后是复数名词，应用these修饰，故填these。
42．句意：如果你在做清理工作，一个非常有用的工具就是捡垃圾。空后是名词，应用形容词useful“有用的”作定语，故填useful。
43．句意：使用垃圾拾取器可以让你轻松安全地收集垃圾。此句动名词作主语，谓语动词用单数，故填allws。
44．句意：外出收集垃圾时，你应该戴上防护手套。glve“手套”，常用复数形式，故填glves。
45．句意：穿一件颜色鲜艳的背心也是一个好主意，但不要在没有成年人陪同的情况下在繁忙的道路附近捡垃圾。此处是作主语，结合谓语动词is可知，应用动名词形式，故填Wearing。
Sme things usually have different meanings in different cultures.
Sectin B
Wrds and phrases:
silence
praise
research
secret
victry
misunderstanding
be knwn as
use sth. t d sth.
help sb. with sth.
avid ding sth.
have difficulty in sth./ding sth.
Grammar:
Use present cntinuus t express the future.
Sentences:
I wnder if bdy language means the same thing.
I think that is knwn as bdy language.
The sea level is rising and sme animals are mving t new hmes. There may be mre strms. What’s wrse, the rising sea level frces humans t mve away frm the casts. While in sme parts, it may be t dry t grw plants.
—Eric, 13, Japan
A new study shws that abut 80 percent peple in Nrth America can’t see the Milky Way（银河）because f light pllutin. The mst seriusly light plluted cuntry in the wrld is Singapre. T much light has a direct effect n human’s eyes. It can als destry ur sleep cycle. What’s mre, it als affects wild animals.
—May, 14, America
An activity in Hangzhu makes peple think mre abut the use f plastic bags in life. A vlunteer said, “If we d nthing abut the white pllutin, it will cause mre deaths f sea animals, and human beings will becme ‘plastic men’.”
—Li Xiang, 15, China
The haze（雾霾）is mre and mre serius. It des great harm t ur health. It can make yu cugh and cause skin prblems and eye prblems. Yu shuldn’t exercise in the pen air. And pen the windw at nn r at night fr a while. When yu g ut, yu must wear a mask（面罩）.
—Wang Ping, 14, China