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问题 单项选择题

大多数病原菌的最适温度为（）℃左右，所以实验室培养细菌常把温箱调至此温度。

A.22

B.28

C.37

D.55

答案

参考答案：C

阅读理解
根据A、B、C三个表格所提供的信息，判断正误，正确的用A表示，错误的用B表示。
(A) I am Bob. I like school things and I have a great collection. I have three pens, five pencils, six rulers and two erasers.
They are in my pencil case, I have a nice pencil sharpener too. It's blue and it's in my backpack. I take my backpack to
school every day.
(B) I am Jimmy. I like sports and I have a sports collection. I have five soccer balls, two basketballs, five ping-pong balls,
six tennis rackets and four volleyballs. I like tennis and I play tennis with my friends every afternoon.
(C) I am Salina. I don't like school things and I don't like sports. I only like my toys(玩具).
( )1. Bob has three pencils.
( )2. Bob's pencil sharpener is blue.
(     )3. Salina doesn't like sports.
( )4. Jimmy doesn't have soccer balls.
( )5. Jimmy plays basketball with his friends every afternoon.
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多项选择题

我国社会主义将经历一个长期的初级阶段，这是由（）决定的。

A.我国社会主义的历史前提条件

B.我国的现实国情

C.我国现代化建设所处的时代特点

D.我国所处的国际环境
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