根据题干,可知,考查句型: be made up of 由…所组成;The air in the atmosphere大气层中的空气,air是不可数名词,作主语时,动词用三单式,时态为一般现在时; dust and gases尘土和各种气体.结合句意:大气层中的空气是由尘土和各种气体组成.故答案为The air in the atmosphere is made up of dust and gases...
The atmosphere is made up of different gases. Oxygen is one of the important gases for life. What percentage of the atmosphere is made up of oxygen? A. 21%. B. 78%. C. 0.93%. D. 99%. 相关知识点: 试题来源: 解析 A。科普知识中大气的组成,氧气约占 21%。选项 B 是氮气的含量。
1(The atmosphere) (is consisted) of certain gases (mixed together) (in) definite proportions. A.The atmosphereB.is consistedC.mixed togetherD.in 2(The atmosphere) (is consisted) of certain gases (mixed together) (in) definite proportions. A. The atmosphere B. is consisted C. mixed toget...
There is one gas present in the air we breathe that is essential to life. Unfortunately, one can have too much of a good thing and the growth in carbon dioxide threatens to warm up our planet to a dangerous extent. Isaac Asimov introduces us to this villain in the atmosphere, explaining ...
The atmosphere ___ certain gases mixed together in definite proportion.A.consists ofB.consists inC.insists onD.persists in答案A解析:本题考查动词短语辨析。选择中,consistf=bemadeupof或becomposedof由…组成;consistin=liein在于;insistn=persistin:坚持,执意。本句的意思为:“大气层...
The atmosphere ___ certain gases mixed together in definite proportions. A. composes of B. is made up C. consists of D. makes up of E. 大气是由多种气体以一定的比例混合而成的。 相关知识点: 试题来源: 解析 A . c ompos e s o f B . i s m a d e u p C . c onsi s t ...
试题来源: 解析 C 由· ··· ·组成:compose sth/be composed of(指把人或事物包括进去并成为其组成的部分). ; be made up of sth (是指由……制成, 且原材料显而易见) . ; consist ofsth(意思与 compose sth 同,较普遍) 。A 选项多了 of,B、D 选项成分残缺,仅C 合适。反馈...
这些题目,请帮翻译和解释这些题目,为什么这么做,帮助分析一下正确答案和错误答案,主要是分析,谢谢11. Theatmosphere ___ certain gases mixed together in definite proportions. C A. composes of B. is
· Claims that 13% of CO2 in the atmosphere could be absorbed by agricultural soils · Erosion is more likely in soil that is31 · Lal found soil in Africa that was very32 · It was suggested that carbon from soil was entering the atmosphere ...
求解答 求解析 谢谢 在线等13. The atmosphere ___of certain gases mixed together in definite proportions. A) contains B) consists C) comprises D) includes 14. After a further 20-point rise, the index unexpectedly fel