air为先行词,逗号后面的为非限制性定语从句,从句中breathe缺少宾语,所以答案为关系代词。what不能引导定语从句;when作为关系副词在句中做状语;that不能引导定语从句;which是关系代词,能引导限制性和非限制性定语从句。故选B。 结果一 题目 Air,___ we breathe every day, is necessary to life.A.whatB.whichC...
The air we breathe is a mixture of gases. What is air? A. A liquid B. A gas C. A solid D. A powder 相关知识点: 试题来源: 解析 B。我们呼吸的空气是气体的混合物。选项 A 液体错误;选项 C 固体错误;选项 D 粉末错误。反馈 收藏 ...
百度试题 结果1 题目fresh air we breathe! A. What B. What a C. How D. How a 相关知识点: 试题来源: 解析 A 反馈 收藏
题目The air we breathe is polluted. What can we do to improve air quality? A. Burn more fossil fuels. B. Plant fewer trees. C. Use more cars. D. Ride bikes or walk. 相关知识点: 试题来源: 解析 D。为了改善空气质量,我们可以骑自行车或步行。A 选项燃烧更多化石燃料会加重污染;B 选项种...
. Air pollution can make it (8)___/hɑ:d/ for some people to breathe. People with heart or lung diseases can have trouble (9)___(breathe) when there is a lot of pollution. Scientists are looking for___(clean) fuels. They hope to reduce the pollution in the air. 相关知识点: ...
百度试题 结果1 题目( A )1.-is air important?-Because we need it to breathe. A. Why B. What C. How 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
haswonthePritzkerPrize,theworld?shighestrecognitioninbuildingdesign. KéréisacitizenofbothBurkinaFasoandGermanyandlivesinBerlin.OnTuesdayhesaidhe wasthe“happiestmanonthisplanet”tobecomethe51strecipientofthefamousyearlyprize.Kéré isfamedforbuildingschools,healthcenters,housing,andotherpublicspacesacrossAfrica.His...
Sherman, Max
Do you know what the air pollution is? Air pollution 81 (affect)the air we breathe. It is made up of Eharmful gases, drops, and tiny(极小的) things. These things make the air terrible.Many things can cause air pollution. 82 (burn) fossil fuels(化 ) can cause air pollution. Oil#...
lackedoxygenlongenoughthathewasn?tbreathing.Hewasplacedonhisside,andanadulthit himhardontheback.Itwasonlywhen Madison heardhimcrythatsheknewhewasallright.It tookMadisonlongertorecoverthantheboy,who wastakentohospitalandlefthospitalthatsame night.She,however,experiencedmonthsofpainfultreatment,fortheinjurythat...