0  442949  442957  442963  442967  442973  442975  442979  442985  442987  442993  442999  443003  443005  443009  443015  443017  443023  443027  443029  443033  443035  443039  443041  443043  443044  443045  443047  443048  443049  443051  443053  443057  443059  443063  443065  443069  443075  443077  443083  443087  443089  443093  443099  443105  443107  443113  443117  443119  443125  443129  443135  443143  447090 

2.能表示阿伏加德罗常数数值的是                                    (   )

    A.1 mol 金属钠含有的电子数

    B.标准状况下,22.4 L 苯所含的分子数

    C.0.012 kg 12C所含的原子数

    D.1 L 1 mol·L-1硫酸溶液所含的H+

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1.下列说法正确的是                                             (   )

    A.物质的量就是一定体积的物质的质量

    B.阿伏加德罗常数就是6.02×1023

    C.钠的摩尔质量等于它的相对原子质量

    D.在标准状况下,1 mol 任何气体的体积都约为22.4 L

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第一节:短文改错(共10小题;每小题1分,共10分)

  以下标有题号的每一行均有一个错误,请找出,并按下列情况改正:

   此行多一词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

   此行缺一词:在缺词处加一个漏字符号(^),在该行右边横线上写出该加的词。

此行错一词:在错词的下面划一横线,在该行右边横线上写出改正后的词。

At a Friday night, a poor young artist stood at the gate of the    76._____

subway station and played his violin with large piece of paper on  77._____

the ground.Before long , he was surrounding with people, who     78._____

were all attracted by the word on that paper. It said,“ last night,   79______

a gentleman put an important thing into my hat by mistaken. Please  80._____

come to claim it soon.” Seeing this , people wondered why it could    81.____

be. After about half an hour, a man came and brought         82______

back his lottery(彩票)                   

which won a reward of $500,000. Later someone asked the violinist:    83._____  

“ Why don’t you take the lottery ticket for yourself? ”He said,      84._____

“While I don’t have much money, I live happily. However , I lose     85._____

honesty, I won’t be happy forever.”     

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