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
59
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.
【C8】
选项
A、data
B、facts
C、information
D、extract
答案
B
解析
这句讲的是"发现了许多重要事实",应选B项facts。A项data是datum的复数形式,意为"资料"。因上下文用词及内容不一样,此处不能说discover data。C项in formaiton意为"信息",为不可数名词,不能和many连用。D项source是可数名词,意思是"源泉"或"根源"。
转载请注明原文地址:https://kaotiyun.com/show/4wWO777K
0
在职攻硕英语联考
相关试题推荐
Gradually,withoutseeingitclearlyforquiteawhile,IcametorealizethatsomethingisverywrongwiththewayAmericanwom
A、Itrepresentsthebride’slinktoherfamilyandthepast.B、Itrepresentsthesupportofthebride’sfamilyandfriends.C、It
Childrenlivingwithsingleparentsencountermanyproblems.Theyaremore【C1】______stressfulexperiencesthanarechildrenlivi
November25istheInternationalDayfortheEliminationofViolenceAgainstWomen.ThisdaywasrecognizedbytheGeneralAssem
Thefirsttiponhowtoreduceyourteststressistousealittlestress______(3words).
A、Horrible.B、Pleasant.C、Expensive.D、Notworth-while.B男士说:你去过洛基山脉吗?女士说:去过。去年冬天我和丈夫去那儿滑雪了。男士说:玩得好吗?女士说:当然了。景色壮观,滑雪也很刺激。是真正的享受。
Emotionisafeelingaboutorreactiontocertainimportanteventsorthoughts.Peopleenjoyfeelingsuchpleasantemotionsasl
SpeakerA:Guesswhat?Susanpublishedanotherpaper.It’sathirdinamonth.SpeakerB:______
Sheclaimedthathe______abletogivemoreintimatedetailsifhehadbeenproperlyqualified.
Withoutheat,everylivingthingwouldbefrozentodeath.
随机试题
主动脉压与肺动脉压有什么不同
血友病检查的确诊试验是
A.越鞠丸合枳术丸加减B.二陈汤合平胃散加减C.木香顺气丸加减D.枳实消痞丸加减E.泻心汤合连朴饮加减痞满湿热阻胃证的代表方是
鳏夫甲有两个儿子乙和丙,乙有两个女儿丁和戊,甲生前有20万元的存款,他在70岁大寿那天,起草了一份遗嘱,表示在其死亡后,其遗产由乙和丙各得10万。没过多久,乙得了一场大病,在弥留之际,他也写了一份遗嘱,表示将来他得到的10万元,给丁3万,给戊7万,随后乙就
在规定试验条件下,不用任何辅助引燃能源而达到引燃的最低温度叫()
分部工程验收时,各方分别签字的质量证明文件在验收后3天内,应由()报送质量监督机构备案。
调查对象是所要调查的现象总体中的个体,即调查对象中的一个一个具体单位,它是调查中要调查登记的各个调查项目的承担者。()
税务机关采取强制执行措施时,不包括个人及其所扶养家属维持生活必需的住房和用品。()
看问题“只见树木,不见森林”是:
一般情况下,当对关系R和S进行自然连接时,要求R和S含有一个或者多个共有的
最新回复
(
0
)