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
Common indoor plants may prove to be a valuable weapon in the fight against rising levels of indoor air pollution. Those【C1】____
Common indoor plants may prove to be a valuable weapon in the fight against rising levels of indoor air pollution. Those【C1】____
admin
2010-10-14
52
问题
Common indoor plants may prove to be a valuable weapon in the fight against rising levels of indoor air pollution. Those【C1】______in your office or home are not only【C2】______, but NASA scientists are finding them to be【C3】______Useful in absorbing potentially harmful【C4】______and cleaning the air inside modern buildings.
NASA and the Associated Landscape Contractors of America(ALCA)have【C5】______the findings of a 2-year study that【C6】______the common indoor plant may provide a natural way of helping【C7】______"Sick Building Syndrome."
Research【C8】______the use of biological processes as a means of solving environmental problems, both on the【C9】______and in space habitats(栖息地), has been【C10】______out for many years by Dr. Bill Wolverton,【C11】______a senior research scientist at NASA’s John C. Stennis Space Center, Bay St. Louis, Miss.
Based on preliminary evaluations of the use of common indoor plants for indoor air purification and revitalization(恢复活力), ALCA【C12】______NASA to fund a study using about a dozen popular varieties of ornamental plants to determine their【C13】______in removing several key pollutants associated with indoor air pollution. NASA research on indoor plants has found that living plants are so【C14】______at absorbing contaminants in the air that some will be launched into【C15】______as part of the biological life support system aboard future orbiting space stations.
【C16】______research is needed, Wolverton says the study has shown that common indoor landscaping plants can remove【C17】______pollutants from the indoor environment. "We feel that future results will provide an even【C18】______argument that common indoor landscaping plants can be a very effective part of a system used to provide pollution【C19】______homes and work places," he【C20】______.
【C1】
选项
A、offices
B、plants
C、ways
D、homes
答案
B
解析
代词those提示此处与上句Common indoor plants呼应,因此答案是plants。
转载请注明原文地址:https://kaotiyun.com/show/pO87777K
0
大学英语四级
相关试题推荐
Theresearchersputalltheplantsinagreenhousetogrowundernormalconditionsforfortydays.Then,forfifteendaysafter
WhenwechooseItalyasourholidaydestination,decidetobuyaGermancar,supportthepoliciesoftheSwedishgovernmentorc
WhenwechooseItalyasourholidaydestination,decidetobuyaGermancar,supportthepoliciesoftheSwedishgovernmentorc
RadioandTelevisionRadioandtelevisionweremajoragentsofsocialchangeinthe20thcentury.Radiowasoncethecenter
RadioandTelevisionRadioandtelevisionweremajoragentsofsocialchangeinthe20thcentury.Radiowasoncethecenter
Whenwethinkofentrepreneurs,mostofusimagine【C1】______,successful,over-achieverslikeBillGatesofMicrosoft,RichardB
Whenwethinkofentrepreneurs,mostofusimagine【C1】______,successful,over-achieverslikeBillGatesofMicrosoft,RichardB
StudentswhowanttostudyintheUnitedStatesmayfindthattheirchancesforfinancialaidarelimited.Theyoftenhavetopa
StudentswhowanttostudyintheUnitedStatesmayfindthattheirchancesforfinancialaidarelimited.Theyoftenhavetopa
StudentswhowanttostudyintheUnitedStatesmayfindthattheirchancesforfinancialaidarelimited.Theyoftenhavetopa
随机试题
男性,37岁。因咳嗽、胸痛,发热3天人院,查体:P135次/分,BP125/85mmHg,T38.5℃。X线检查表现为胸腔积液。对脓胸的治疗下面哪项不妥
广义积分=().
患者,男,31岁。因突发肉眼血尿4天作膀胱镜检查,术后出现明显尿频、尿急、尿痛,伴发热39.8℃和腰痛,如做清洁中段尿细菌培养,最可能为以下细菌感染的是
A.血小板数量减少B.多种凝血因子消耗性减少C.遗传性凝血因子缺乏D.血管壁功能异常E.多种凝血因子合成障碍肝功能不全出血原因
测量犬猫体温的主要部位是
根据《中华人民共和国耕地占用税暂行条例》的规定,当建设占用()时,需征收耕地占用税。
根据《中华人民共和国电力法》的规定,申请新装用电、临时用电、()、变更用电和终止用电,应当依照规定的程序办理手续。
《中华人民共和国行政处罚法》规定的行政处罚种类不包括()。
在某企业承建的一个信息系统集成项目中,建设方注重交付时间和质量,承建方公司老总注重项目利润,质量监控部经理注重项目的质量,人力资源部经理注重项目人力使用效率。下列围绕项目干系人管理的叙述错误的是(220)。
为了判别LOCATE或CONTINUE命令是否找到了满足条件的记录,可以使用函数______。
最新回复
(
0
)