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问题 单项选择题

室内消火栓应采用同一型号规格。消火栓的栓口直径应为65mm，水带长度不应超过25m，水枪喷嘴口径不应小于（）。

A、16mm

B、17mm

C、18mm

D、19mm

答案

参考答案：D

单项选择题

Water is (41) important of all the things we (42) and drink. Not many people understand this, (43) it’s quite true. The human body (人体) can go (44) food for a long time, but two (45) three days without water can usually (46) people die.
Many people don’ t understand how much water the human body needs to work well and many people do not drink (47) , even (48) hot weather.
Our body is (49) water, about 65% to 75%, ff we do not have enough water, we’ll (50) tired and many will get ill. So you see, how important water is to us all.

[A] fall [B] fell[C] feel
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单项选择题

印度人认为要真正达到一种无欲的理想圣人的状态，前提是：（）

A、节欲

B、纵欲

C、无欲

D、灭人欲
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