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问题 单项选择题

下列不属于无限局域网技术协议的是()。

A．IEEE 802.11协议

B．IEEE 802.3协议

C．Home RF协议

D．蓝牙协议

答案

参考答案：B

解析：ISA总线(AT总线)，能够支持的最大物理存储空间为16MB。

听力题

根据所给的首字母提示，完成短文。

Yesterday I visited the Baihai Zoo．I was s­­­­­­  小题1:   to find few people there．Zoos are very important places．They p  小题2:   homes for many endangered animals．They also help to educate the public about caring f  小题3:   them．If we don’t s  小题4:   our zoos, they won’t have e  小题5:   money to take care of so many fine animals．Therefore, people should go and visit the zoos m  小题6:   often to learn about animals and help to protect them better．

H  小题7:  , some people don’t think so．They think zoos are t  小题8:   places for animals to live．“I’ve visited a lot of zoos in my life, and I have never seen o  小题9:    I liked or one that was suitable for animals to live in．” Jenny said．‘The animals are k   小题10:    in small cages and can hardly move at all．What’s more, they are only given food once a week．That’s terrible．”
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判断题

一根条形磁铁折断后就只剩下一个磁极了．[ ]
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