试题与答案

※ [6~9].

题型:单项选择题

题目:

※ [6~9].

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:首先应该明确,①~⑥处的内容全是对“毛 * * 同志认为”后的一段话的解释说明,不属于文段内容,应该用括号,就可以排除B、D两项了;同时,还应该知道,这是句内括号,是对转述的毛 * * 的话的解...

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题型:改错题

第二节:短文改错(共10小题;每小题1.5分,满分15分)

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个(√);如有错误(每行只有一个错误),则按下列情况改正:

 该行多一个词:把多余的词用斜线(/)划掉,在该行右边横线上写出该词并用斜线划掉。

 该行缺一个词:在缺词处加一个漏词符号(∧),在该行右边横线上写出该加的词。

 该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

 注意:原行没有错的不要改。

My best friend Li Hua gives me a call this morning.                  71.              

She said it was her birthday and she would have a             72.              

birthday party. I promised that I would go. But I went         73.              

shopping this afternoon and bought a doll as his                       74.              

birthday present. I arrived her home at six o’clock           75.              

on the evening. Many of her friends had already arrived.      76.              

On the table was a big beautiful cake with 14 candle lit.            77.              

Li Hua made wish and blew off all the candles. We all                 78.              

shouted with greatly joy. However, I didn’t see her parents.      79.              

We had a great time, but I think it would be more better if      80.              

we celebrate our birthdays with our parents.

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题型:填空题

(4分)已知难溶于水的盐在水中存在溶解平衡:

在一定温度下,水溶液中Ag+的物质的量浓度和Cl的物质的量浓度的乘积为一常数,可用 KSP表示:KSPc(Ag+) c(Cl-)=1.8·10-10

若把足量AgCl分别放入① 100 mL蒸馏水,② 100 mL 0.1 mol / L NaCl溶液,③ 100 mL 0.1 mol / L AlCl3溶液,④ 100 mL 0.1 mol / L MgCl2溶液中,搅拌后,在相同温度下Ag+浓度由大到小的顺序(用序号回答)是 ______ > ______ > ______ > ______。

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