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
Several of the chemical elements were known in prehistoric【C1】______ . One of the great【C2】______ forward in civilization came w
Several of the chemical elements were known in prehistoric【C1】______ . One of the great【C2】______ forward in civilization came w
admin
2014-09-24
39
问题
Several of the chemical elements were known in prehistoric【C1】______ . One of the great【C2】______ forward in civilization came when bronze, an alloy,【C3】______ stone as the main material for tools and weapons. The iron replaced bronze. The first elements【C4】______ were those that were found free in nature or could be readily【C5】______ from their ores at relatively low temperatures. During the Middle Ages, chemistry was mostly practised by the alchemists,【C6】______ tried to turn base metals into gold, and who were interested in discovering a way of living for【C7】______ . But they discovered many important【C8】______ about the metals and some of the most easily attainable compounds. Even before the Middle Ages, people knew how to【C9】______ mercury, tin, and iron from their ores. By the time of Paracelsus, chemistry was developed largely to the effort of【C10】______ medicines.
【C2】
选项
A、step
B、steps
C、pace
D、paces
答案
B
解析
step作名词是"步伐,步子"的意思,它也可作抽象名词。在短文中,one of…之后的名词用复数,因此选B。C项pace一般不用于表达抽象概念。
转载请注明原文地址:https://kaotiyun.com/show/7wWO777K
0
在职攻硕英语联考
相关试题推荐
A、Theyneedlittlewater.B、Theynormallygrowfaster.C、Theyarelesscostlytogrow.D、Theycouldabsorbmorewater.D文中说:与景天属
_____thelivestheystole,ourenemiesfailedtostopusfromachievingasingleoneofourstrategicobjectivesinIraq.
Teamshavebecomethebasicbuilding—blocksoforganizations.Recruitmentadsroutinelycallfor"teamplayers".Businessscho
SmartdustsensorscandoallthefollowingEXCEPT______.ThepassageimpliesthatthesmartJustsensorsaremostlikelytob
Woman:Whatdoyouthinkoftheidea?Man:Icouldn’tcomeupwithabetterone.Question:Whatdoesthemanmean?
Canyouimagine!Heofferedme$5,000tobreakmycontract.That’s______.OfcourseIdidn’tagree.Iwouldtakelegalaction.
OneofthemostimportantcomponentsofCorporateResourceManagementistorecruitandretainthebestworkforcepossible.Unfo
IntheUnitedStates,theneedtoprotectplantandanimalspecieshasbecomeahighlycontroversialandsharplypoliticalissue
Forthesereasons,thenewspaperishaving______problemsinthenorthofthecountry.
Theconceptof"environment"iscertainlydifficultandmayevenbemisunderstood;butwehavenohandysubstitute.Itseemssim
随机试题
某被评估企业持有上市公司股票5000股,买入时每股3元,评估基准日该上市股票的收盘价为每股6元,另外经专业评估人员分析确定评估时的资本化率为6%,则该上市股票的评估值为【】
关于Windows7系统的“回收站”的说法中正确的是________。
Thispartistotestyourabilitytodopracticalwriting.YouarerequiredtowriteaNoticeaccordingtothefollowinginforma
下列哪一项不是上肢动脉血管DSA的适应证
血液发出后,受血者和供血者的血样保存于2~6℃冰箱中至少应保存多少天
()是厂商将产品通过中间渠道销售给终端客户,其好处是无需自找客源,资金投入少,但应收账款较多。
有人说,沉默是金,因为祸从口出,许多麻烦往往因为自己的多嘴,而且沉默还可以表示深沉,表示有城府;有人说,慷慨是金,因为在当今社会里,只要你能大方地给,必定能得到丰厚的回报;有人说智慈是金……也许都不错,但我认为,热情、主动才是真正的金,才是自己拥有的金;才
度量计算机运算速度常用的单位是()。
______abouttheair-conditionerintheroom,butshewasalsonotsatisfiedwiththeservice.
A、Theadvertisementisoutdated.B、Theapartmentisstillavailable.C、On-campushousingishardtosecure.D、Theapartmentisc
最新回复
(
0
)