经常用在道路、广场和施工现场照明的灯是（）。A．卤钨灯 B．日

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问题单项选择题

经常用在道路、广场和施工现场照明的灯是（）。

A．卤钨灯

B．日光灯(荧光灯)

C．高压汞灯

D．白炽灯

答案

参考答案：C

解析：

高压水银灯也称为高压汞灯，经常用在道路、广场和施工现场的照明中。

阅读理解

阅读短文，用合适的单词完成下列短文。

A Foreign Teacher

Mr. Brown is from New York (纽约) of America. He teaches English in our school. He wears a

white shirt and black trousers every day. He speaks English very well. He can speak some Chinese,

but not too much. He likes teaching in China very much. He often says the Chinese are very friendly.

We like his lessons very much. He is our good friend.

Mr. Brown is an ______ (1). He is a ______ (2) of English in our school. He is ______ (3) a white

shirt and black trousers every day. He speaks very ______ (4) English. He can speak some Chinese,

______ (5), but ______ (6) ______ (7) ______ (8). He often says the Chinese ______ (9) are very

friendly. We all like him and his ______ (10).

单项选择题

下列场所不宜选择光束感烟火灾探测器的是（）。

A．无遮挡的大空间

B．可能产生蒸汽和油雾的场所

C．有特殊要求的房间

D．电缆隧道