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
50
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.
【C16】
选项
A、and
B、but
C、or
D、nor
答案
C
解析
固定搭配题。四个选项分别为[A]and“和”;[B]but“但是”;[C]or“或者”;[D]nor“也不”。
转载请注明原文地址:https://jikaoti.com/ti/VGpRFFFM
0
考研英语二
相关试题推荐
Weshouldconcentrateonsharplyreducinginterestratestopulltheeconomyoutof______.
Immediatesolutionshouldbe______tosavethepeoplefromthefloodthathassweptsouthernChinathissummer.
Nameshavegainedincreasingimportanceinthecompetitiveworldofhighereducation.Ascollegesstriveformarketshare,they
TheUnitedStateshashistoricallyhadhigherratesofmarriagethanthoseofotherindustrializedcountries.Thecurrentannual
TheUnitedStateshashistoricallyhadhigherratesofmarriagethanthoseofotherindustrializedcountries.Thecurrentannual
TheUnitedStateshashistoricallyhadhigherratesofmarriagethanthoseofotherindustrializedcountries.Thecurrentannual
TherearemoredifferencesbetweentheUnitedStatesandJapanthanconflictingvaluesduringWorldWarII.Culturalandsocieta
Nameshavegainedincreasingimportanceinthecompetitiveworldofhighereducation.Ascollegesstriveformarketshare,they
Duringuncertaintimes,peopletendtolookbackandwonderhowitgottothis.Theyfeelmorekeenlytheirmissedopportunities
Duringtheday,Leipzig’sairportisquiet.Itisatnightthattheairfieldcomestolife.Nexttotherunwayayellowwarehous
随机试题
ITP行脾切除术前应输血管性血友病患者术前应输
在工业项目的工艺设计过程中,影响工程造价的主要因素包括()。
IP地址虽然方便记忆,但Internet内部实际还是使用域名地址进行访问。()
在进行重点调查时,应选择的调查单位是()。
乙企业2014年成本为600万元,销售收入为2400万元。则该企业的销售收入成本率为()。
学生可以原谅老师的严厉、刻板,甚至是_______,但是不能原谅老师的不学无术,可见,拥有扎实的专业功底对老师站稳讲台是多么重要,老师要做到_______知识视野,更新知识结构,潜心钻研业务,不断提高专业素养和教学水平。依次填入画横线处最恰当的一项是(
H0与H1的关系是()
皮亚杰根据儿童认知发展阶段把游戏进行了分类,其中包括()。
在下面的项目网络图中(时间单位为天),活动B的自由时差和总时差分别为(1)。如果活动A的实际开始时间是5月1日早8时,在不延误项目工期的情况下,活动B最晚应在(2)前结束。(1)
AIDSAcquiredImmunodeficiencySyndrome(AIDS),isakindofhumanviraldisease(病毒病)thatdamagestheimmunesystem,weake
最新回复
(
0
)