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问题 选择题

下列物质中，少量摄入体内就会使人中毒的是。

A．二氧化碳

B．醋酸

C．一氧化碳

D．食盐

答案

答案：C

题目分析：CO2无毒，是引起温室效应的气体，醋酸无毒，是厨房里的调味剂，CO有毒，可以引起血红蛋白中毒，食盐无毒，是厨房里的调味剂。答案选C。

点评：本题基础简单。

阅读理解

Steve Jobs was one of the fathers of the personal computing time and the founder of Apple. He was also one of the giants of the information age. Here are some of his greatest contributions.

小题1:When was the Apple II invented?

A．In 1976.

B．In 1997.

C．In 1998.

D．In 2010.小题2:When did the iMac first come out?

A．In 1976.

B．In 1998.

C．In 2010.

D．In 2011.小题3:Which one was the oldest?

A．The Apple II.

B．The iMac.

C．The iPad.

D．The iPhone 4s.小题4:From the passage, we can know that the iPad _______.

A．has a better camera

B．is the first personal computer

C．has a CD-ROM slot

D．is great for watching movies小题5:According to the passage, which of the following is True?

A．iPhone 4s'screen is the same size as iPhone 4.

B．iPhone 4s has a larger and slimmer case than iPhone 4.

C．iPhone 4s uses less time to transfer data than iPhone 4.

D．iPhone 4s with an improved camera is cheaper than iPhone 4.
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单项选择题 案例分析题

下图为福建省某校马蹄形教学楼的顶层示意图，据图完成下列小题。

教室以采光好、强光不直接射入为宜，下列教室可能符合此条件的是（）

A．教室1

B．教室2

C．教室3

D．教室4
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