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问题 单项选择题 A1型题

下列各项中，与风湿热感染的病原体相同的是（）.

A.支气管肺炎

B.急性肾小球肾炎

C.皮肤黏膜淋巴结综合征

D.幼年类风湿关节炎

E.传染性单核细胞增多症

答案

参考答案：B

解析：风湿热、急性肾小球肾炎和猩红热均与A组β型溶血性链球菌感染有关。

完形填空

That was a hot summer. When I was five years old just before my sister came to the world, my mother asked me what we   小题1:  (应该)name the new baby. I think for a minute and said, “Let’s call her Gravy!”

You know, we pour gravy over meat and it tastes good! My parents found my idea  小题2:

(有趣的)but at last they named the new baby Caroline,  小题3: （代替）.

Having a sister   小题4: (改变) my life. When my sister and I played together, we often fought and   小题5: （争吵）with each other. It made our parents angry. But at the same time, we learned to   小题6: （分享） our things and forgive（原谅） each other.

In North America, there are many   小题7: （种类） of families but most families have a boy and a girl. Of course, some have three or more. In China, most   小题8: （孩子）don’t have brothers or sisters and they often feel   小题9: （孤独的）. Some middle school students in China wish that they had a brother or sister. If you are one of them, I have a good idea for you. You can treat your friends or classmates   小题10:（当作） your brothers and sisters!
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选择题

使用显微镜时，要把视野中的物像“P”从图甲所示状态转化为图乙所示的状态，其正确的操作步骤是

[ ]

A．先将玻片标本往右上方移动，再转动转换器，把高倍物镜换成低倍物镜

B．先将玻片标本往左下方移动，再转动转换器，把低倍物镜换成高倍物镜

C．先将玻片标本往右上方移动，再转动转换器，把低倍物镜换成高倍物镜

D．先将玻片标本往左下方移动，再转动转换器，把高倍物镜换成低倍物镜
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