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
考研
Electric cars are getting cheaper and their sales are on the rise, but their future success may depend on ditching a key【C1】____
Electric cars are getting cheaper and their sales are on the rise, but their future success may depend on ditching a key【C1】____
admin
2021-10-14
51
问题
Electric cars are getting cheaper and their sales are on the rise, but their future success may depend on ditching a key【C1】________: the heavy metal cobalt.
The mineral is used in the lithium-ion batteries that【C2】________most electric cars, and demand for it is【C3】________increasing. A new analysis by Elsa Olivetti at the Massachusetts Institute of Technology and her colleagues has found that there may be cobalt shortages【C4】________ we don’t start refining and recycling it more efficiently or in greater quantities.
The new analysis suggests short-term cobalt supply is【C5】________,【C6】________that more mining exploration,【C7】________in the ocean, is required.【C8】________we will need to【C9】________cobalt recycling by recovering it from batteries in【C10】________electric cars, laptops and mobile phones.
Another【C11】________is to shift to【C12】________that use less cobalt, or none at all. Elon Musk’s car firm Tesla is in【C13】________with battery manufacturer CATL to use entirely cobalt-free batteries in its China-made cars,【C14】________a report last week by Reuters.
Lithium-ion batteries in electric cars commonly use【C15】________lithium nickel cobalt aluminium oxide【C16】________lithium nickel manganese cobalt oxide for their ability to【C17】________a long lifespan and【C18】________energy density—a key factor in how【C19】________an electric car can go【C20】________a single charge.
【C10】
选项
A、reluctant
B、recalcitrant
C、abundant
D、redundant
答案
D
解析
形容词辨析题。四个选项分别为[A]reluctant“不情愿的”;[B]recalcitrant“反抗的”;[C]abundant“丰富的”;[D]redundant“多余的”。空格所在句意为“从电动汽车、笔记本电脑和移动电话的电池中回收钴来加强钴的回收利用”,空格处所填词应有“多余的”之意,结合四个选项,只有[D]选项符合题意,故答案为[D]选项。
转载请注明原文地址:https://kaotiyun.com/show/vCY4777K
0
考研英语二
相关试题推荐
Thingswentwellforhimduringhisearlylifebutinmiddleagehis______seemedtochange.
ReadthefollowingChineseandwriteanabstractof80~100words.YoushouldwriteyouranswersonANSWERSHEET2.
TheUnitedStateshashistoricallyhadhigherratesofmarriagethanthoseofotherindustrializedcountries.Thecurrentannual
TheUnitedStateshashistoricallyhadhigherratesofmarriagethanthoseofotherindustrializedcountries.Thecurrentannual
Leadingdoctorstodayweighinonthedebateoverthegovernment’sroleinpromotingpublichealthbydemandingthatministersi
Nameshavegainedincreasingimportanceinthecompetitiveworldofhighereducation.Ascollegesstriveformarketshare,they
Americansdon’tliketolosewars.Ofcourse,alotdependsonhowyoudefinejustwhatawaris.Thereareshootingwars—theki
Williamshadnotbeenthereduringthe_____momentswhenthekidnappinghadtakenplace.
Sheisundertheimpressionthatheisn’ta______personforhewouldn’ttellherwhereandwhenhewenttouniversity.
Writealetterofabout100wordstotheeditorsofanewspaperaboutunsuccessfulbanningontheuseofplasticbags.Makesugg
随机试题
有佛画圣手之称的唐代画家是()
------Goodmorning,Madam.【D1】______------I’dliketochooseahatwhichissuitableformydress.------【D2】______------Ilov
男性,28岁,上呼吸道感染后2周,出现肉眼血尿、颜面水肿入院,体检:血压20/13.5kPa(150/100mmHg)。尿蛋白(+),红细胞满视野,血Cr180μmol/L。如上题所述,此时应考虑的最可能诊断是
为保证基金会计核算和基金净值计算的准确性,基金管理人和托管人须配置相同的技术系统。()
一、注意事项1.本次考试包括给定资料和作答要求两部分。总时间为150分钟,建议阅读资料为40分钟,作答时间为110分钟,总分100分。2.请在答题卡上指定的位置填写自己的姓名、报考部门,填涂准考证号。考生应在答题卡指定的位置作答,未在指定位置作答的,不
-1,1,-4/3,2,( )
下列句子中没有错别字的一句是______。
若在窗体设计过程中,命令按钮Command()的事件属性设置如下图所示,则含义是
声音与视频信息在计算机内的表现形式是()。
ConversationWhydoesthestudentgotoseetheprofessor?
最新回复
(
0
)