首页
登录
职称英语
If we view a science as a body of systematized knowledge, then chemistry is
If we view a science as a body of systematized knowledge, then chemistry is
游客
2023-11-15
31
管理
问题
If we view a science as a body of systematized knowledge, then chemistry is usually called a natural science because it 【C1】______ knowledge of the natural world. At times we may wonder 【C2】______ there is no complete system 【C3】______ all of chemistry fits perfectly. Gaps in the present system, however, show that chemistry is still a(n) 【C4】______ subject and that we 【C5】______ all of its facts, laws, and theories. 【C6】______ , chemistry as a science is very much 【C7】______ us today, and its future holds the bright promise 【C8】______ much more to come.
Man’s knowledge about himself and nature has grown into 【C9】______ sciences. The growth of the separate sciences has been more developmental than intentional. The separation of the natural sciences into physical and biological sciences, and physical sciences into physics and chemistry, happily 【C10】______ a larger body of knowledge into more manageable parts. At the same time we should remember that the concepts, techniques, and applications of the various sciences are interdependent and not exclusively a part of one science or 【C11】______ . In this 【C12】______ , chemistry is a key science among the natural sciences because everyone, 【C13】______ the area of natural science he wishes to pursue, needs at least an introduction to the principles and simpler applications of chemistry as a foundation for his specialty.
Chemistry deals with the 【C14】______ of matter, changes in matter, the laws and principles 【C15】______ these changes, and the concepts and theories that interpret them. [br] 【C5】
选项
A、didn’t discovered
B、had not discovered yet
C、haven’t discovered yet
D、haven’t yet discovered
答案
D
解析
此句意为“我们还没有发现自然界所有的事实、规律和原理”,应用现在完成时态, yet应紧跟在否定词之后。
转载请注明原文地址:https://tihaiku.com/zcyy/3189505.html
相关试题推荐
"Notuntilsciencebecameprominent______beabolished,"somepeopleargue.A、d
Anine-year-oldschoolgirlsinglehandedlycooksupasciencefairexperime
Anine-year-oldschoolgirlsinglehandedlycooksupasciencefairexperime
Moderntechnologyandsciencehaveproducedawealthofnewmaterialsandn
Moderntechnologyandsciencehaveproducedawealthofnewmaterialsandn
Moderntechnologyandsciencehaveproducedawealthofnewmaterialsandn
Moderntechnologyandsciencehaveproducedawealthofnewmaterialsandn
Everyprofessionortrade,everyartandeverysciencehasitstechnicalv
Everyprofessionortrade,everyart,andeverysciencehasitstechnicalv
Everyprofessionortrade,everyart,andeverysciencehasitstechnicalv
随机试题
ChristianshavegenerallyregardedChristmasasbothaholydayandholiday.
[originaltext]Badnewsforthedeliveryguys:youmighthavetostartflunk
Surprisingly,nooneknowshowmanychildrenreceiveeducationinEnglishho
灰土垫层适用于加固处理1~3m厚的()土层。A.软弱 B.碎石 C.砂性
以下关于汉字编码的叙述中,错误的是()。A.采用矢量法表示汉字时,若两个汉字的笔
妊娠合并尖锐湿疣恰当的是A.胎儿宫内感染并不少见 B.通过软产道感染胎儿罕见
针对社区老年居民的糖尿病健康教育宜采用哪些形式?A.上门宣传 B.组织讲座
下列关于尿液试带法检测原理错误的是A.尿糖检测采用葡萄糖氧化酶.过氧化物酶法
银行的市场声誉属于无形资产,不包括()。 A.财务实力B.优质的服务 C
商业银行代理的财政性存款都需按()的比例划缴中国人民银行。A.50% B.
最新回复
(
0
)