首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
There are a number of organizations and books that can help you learn more about ______indoor air quality.
There are a number of organizations and books that can help you learn more about ______indoor air quality.
admin
2019-07-01
59
问题
There are a number of organizations and books that can help you learn more about ______indoor air quality.
选项
A、to improve
B、how to improve
C、improve the
D、how improve
答案
B
解析
The infinitive phrase how to improve is the object of the preposition about.
转载请注明原文地址:https://kaotiyun.com/show/b4fO777K
0
托福(TOEFL)
相关试题推荐
Completethesentencesbelow.WriteONEWORDAND/ORANUMBERforeachanswer.MountRushmoreThegovernmentfinallypaid$_____
Whatdideachpersonsaywastheprincipalcauseofstressforthem?ChooseFOURanswersfromtheboxandwritethecorrectlett
Completethenotesbelow.WriteNOMORETHANTWOWORDSAND/ORANUMBERforeachanswer.ExampleMIDDLEBURYLANGUAGESCHOOLCLASS
Whatspecialconditionsapplytothefollowingrides?ChooseFOURanswersfromtheboxandwritethecorrectletter,A-F,nextt
TheAtlanticcable,whichbegan(tooperating)in1866,1inkedtheUnitedStatestoLondonandtoanothercable(stretching)east
The(first)pilotedballoon(flight)acrosstheAtlanticOcean(took)place(at)197
"WeatherandChaoticSystems"Scientiststodayhaveaverygoodunderstandingofthephysicallawsandmathematicalequatio
A、Teachtheiryounghowtoswim.B、Mateandlayeggs.C、Hidefrompredators.D、Eatdifferentkindsoffish.BWhat?do?green?turtl
ReadingAccordingtothecontroversialsunspottheory,greatstormsonthesurfaceoftheSunhurlstreamsofsolarparticlesin
ReadingAccordingtothecontroversialsunspottheory,greatstormsonthesurfaceoftheSunhurlstreamsofsolarparticlesin
随机试题
女性,54岁,优秀话务员,近几年怀疑丈夫有外遇,看电视时激动,控制不住,外出走失1周找不到自己家,住在露天,公安人员收留送回家,吃饭用手抓着吃,记忆力下降,行为幼稚。既往高血压7年,脑梗死后10个月,神经系检查:BP225/110mmHg,说话口齿不清,右
监测站对某河段监测结果表明,水中铬超过卫生标准若干倍,在该河段上游有若干工厂,最有可能的污染源是
A.解表药B.活血化瘀药C.利水渗湿药D.清热药E.补虚药具有增强免疫功能、延缓衰老作用的中药是()。
患者,男,53岁。诊断为“大量心包积液”治疗给予安置心包引流管,对该患者的护理措施,错误的是
体征是指患者主观感受到的明显不适或痛苦。()
脚手架检查验收应按照相应规范要求进行,凡不符合规定的应立即进行整改,对检查结果及整改情况,应按实测数据进行记录,并由( )签字。
每逢“3.15”消费者节日,都能解决许多平时解决不了的问题,对此,你怎么看?
莎士比亚的“四大悲剧”是指《哈姆雷特》、《奥赛罗》、《李尔王》和______。
Rumorhasitthatmorethan20booksoncreationism/evolutionareinthepublisher’spipelines.Afewhavealreadyappeared.【F1】
ConservationistsonTuesdayappealedtocountriestourgentlyaddressnewthreatstowhales,dolphinsandothercetaceans(鲸类动物)a
最新回复
(
0
)