题目内容

选购瓷砖可以如何测评?

A. 掂一掂重量
B. 查看瓷砖的密度
C. 吸水性高低
D. 用小刀划
E. 摔碎听声音

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In order to make his proposition more easily accepted, the writer resorts to several ways which can be categorized as follows:

A. exaggeration
B. reversal of the reader's expectations
C. striking comparison
D. oxymoron

Translate the following sentences into Chinese.Nowadays mobile phones are no longer treated as luxuries that only the rich can afford. Rather, they have turned out to be a necessity in our lives, placed in the list of must-have items.

Structurally speaking, an effective argumentative essay typically has five basic components.

A. 对
B. 错

1.下列关于呼吸和呼吸过程的描述,错误的是( )

A. 机体与外界环境之间的气体交换过程,称为呼吸
B. 肺与外环境之间的气体交换,称为肺通气
C. 外呼吸是指肺通气与肺换气的过程
D. 气体进出肺的过程叫呼吸
E. 内呼吸是指血液与组织细胞之间的气体交换过程

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