Proper lighting is a necessary for good eyesight even though human night vision

游客2025-02-01 31

问题 Proper lighting is a necessary for good eyesight even though human night vision can be temporarily impaired by extreme flashes of light.

选项 A、needful
B、necessity
C、exigency
D、need

答案 B

解析词语应用本句意为：视力好需要有合适的照明，尽管人类的夜视偶尔会被极端的(过明或过暗)灯光的闪现削弱。所填之词在句中作表语，又由a限定，应填名词；因此排除选项A，因是形容词，表示：必要的，需要的；其余三个选项均为名词：B．necessity必要性，需要，必需品(指为了生存所必需的)；C．exigency苛求，紧急(事件)；D．need需要，必需，必需品(指需要某事或某物，尤其是它们还没发生或还无法利用)；因此B为答案。

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Proper lighting is a necessary for good eyesight even though human night vision

Properlightingisanecessaryforgoodeyesighteventhoughhumannightvision

Theborderwasactuallytwotowns,thoughnoonewasbigenoughtoamounttoany

Althoughthesocialsciencesdifferentagreatdealfromoneanother,theyshare

Theearliestformofartificiallightingwasfire,whichalsoprovidedwarmand

Johnishandsome______thescaronhisface.A、althoughB、evenifC、insteadofD、d

Peoplewhosepropertyisstolenshouldreporttothepolice.A、hadstolenB、isbe

Yourimproperwordswillgive______todoubtsconcerningyourtrueintentions.A、r

Thoughtheimitationjewelrycanfoolmanypeople,theycannot______uptoanexp

An"epigram"isusuallydescriedasabrightorwittythoughtthatisterselyan

Anepigramisusuallydefinedbeingabrightorwittythoughtthatisterselyan

AlthoughOrientalideasofwoman’s______tomanprevailedinthosedays,shedid

HenryFielding’s______indicatesthegenreofnovelhasgottothematureperiod.

Ifourbrainswerecomputers,we’dsimplyaddachiptoupgradeourmemory.

ABritishstudyfoundthatBvitaminscouldreducebrainshrinkageinolder

单项服务是旅行社根据游客的具体要求而提供的各种非综合性的有偿服务，其对象主要限于

以下哪一项不属于慢惊风的常用治则的是A.温中健脾 B.滋阴养肝 C.育阴潜阳

以下方剂配伍中体现“病痰饮者，当以温药和之”之意的是A五苓散 B苓桂术甘汤

下列营销策略中，用于确定目标市场的营销策略有()。A:成本领先营销策略 B:无

当事人对行政处罚决定不服申请行政复议或者提起行政诉讼的，行政处罚（）。(2

在电信企业采取的以下各种竞争行为中，（）最可能达到锁定客户的目的。A.提供秘书台