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
61
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
ThebookLoveandItsPlaceinNatureobservedthatwithoutlovechildrentendtodie.AndAshleyMontagunotedBritish-bornChi
Gradually,withoutseeingitclearlyforquiteawhile,IcametorealizethatsomethingisverywrongwiththewayAmericanwom
Childrenlivingwithsingleparentsencountermanyproblems.Theyaremore【C1】______stressfulexperiencesthanarechildrenlivi
Virtuallynobodyhasmemoriesfromveryearlychildhood—butit’snotbecausewedon’tretaininformationasyoungchildren.Rath
OnSeptember13,theNewYorkCityHealthDepartmentbecamethefirstinthenationtobanthesaleofsugaredbeverageslarger
ThegoodnewswasthatMongoliawas________enormousreservesofcopperandotherminerals.
FreeschoolsareflourishingintheUK.Morethan400freeschoolshaveeitheropenedorbeenapprovedtoopenacrossEngland【C1
Asamother,Iunderstandthepowerfulbondbetweenaparentandchild.Ilovemyson,andIreallywoulddoanythingforhim.S
Welearnfromthefirstparagraphthattwosystemsofautomatedhighways______.Weknowfromthepassagethatacarcanentera
Thereareplacesintheworldwherepeoplearealleged(被认为)tolivemuchlongerandremainmorevigorousinoldagethaninmos
随机试题
货币政策是政府调控宏观经济的基本手段之一,当通货膨胀较为严重时,应该采取的货币政策是()。
机动车仪表板上(如图所示)亮表示什么?
患者男,36岁。低热伴皮肤紫癜1周就诊。体检:全身浅表淋巴结增大,脾肋下2cm扪及,胸骨压痛。血红蛋白74g/L,白细胞23.6×109/L,血小板45×109/L,外周血见原始细胞(占6%),中、晚幼粒细胞占11%。为了确定诊断,需进一步检查的项目是
有关耳部的组成,错误的是
女性,50岁黄疸病人,B超检查显示肝内胆管直径约1cm,应进一步选择的检查是
DIC病人初期的症状是
某焊接方式具有熔深大,生产效率和机械化操作程度高等优点,适用于焊接中厚板结构的长焊缝和大直径圆筒的环焊缝,此焊接方式为()。
货币供给机制是由()两个层次构成的货币制造系统。
2009年H省年末常住人口达到7034.4万人,出生人口90.7万人,出生率为12.93‰;死亡人口45.1万人,死亡率为6.43‰;净增人口45.6万人。2009年城镇居民人均可支配收人达14718.3元。其中,工资性收入9830.6元,
A、Americansaretooattachedtotheircars.B、Americancarsaretoofast.C、Automobilesthreatenhumanhealth.D、Automobilesare
最新回复
(
0
)