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问题 单项选择题

血清中出现M蛋白见于（）。

A.系统性红斑狼疮

B.类风湿关节炎

C.多发性骨髓瘤

D.慢性粒细胞白血病

E.前列腺癌

答案

参考答案：C

解析：M蛋白即单克隆免疫球蛋白，见于多发性骨髓瘤患者血液中。

改错题

     短文改错

    假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共

有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（︿），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：

      1.每处错误及其修改句均仅限一词；

      2.只允许修改10处，多者 (从第11处起) 不计分。

     It's reported that a new kind of road, which can play music, has appeared in Japan. Different kinds of music is played when drivers drive his cars on different parts of the road. This is good news for drivers, because drivers often feel tired after drive for a long time. The music played by the road can make them feel relaxed and reminds them what kind of road they are driving. Besides, it also does better to the pedestrians on the road. This is a excellent example for bringing music to people’s daily life. I hope such kind of road would be designed in our country as if we have so many people and so many cars.

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单项选择题

沉淀重量分析中，依据沉淀性质，由（）计算试样的称样量。

A、沉淀的质量

B、沉淀的重量

C、沉淀灼烧后的质量

D、沉淀剂的用量
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