根据灭火设备的设置情况，空气泡沫灭火系统可分为哪三种形式？各有哪些主要设备？各自的优

How much of an addict(成癖/嗜好) are you? Are you like any of the people?

①I dislike haircut. I seldom(很少) get a haircut. So when I get one, my hair is really short. My hair gets really long before my next haircut.    --- Harry

②I hardly drink soda(苏打水).I usually drink coffee. I sometimes drink eight cups a day. ---Rose

③I exercise regularly（有规律地）.Sometimes I spend 4 or 5 hours on it in one day.  ---Sam

④I have a bar(条/根) of chocolate sometimes. I can’t eat a lot of it, because it makes me heavy.   ---Kim

⑤I have a TV in my living room, one is in my dining room, one is in my bedroom. I even have one in the bathroom.  --- John

⑥I spend a lot of time shopping, but I don’t spend a great deal of (大的量)money. I mostly  do window shopping.     ---Jenny

小题1:How often does Harry get a haircut?

A．Once a month

B．Twice a year

C．hardly ever

D．Always小题2:How many TVs does John have?

A．Four

B．Three

C．Two

D．Five小题3:How much time does Sam spend on exercise?

A．Four or five hours in a day.

B．Five hours in one day.

C．Four hours in one day.

D．One day.小题4:Kim has chocolate _________ ,while Jenny spends ________ shopping.

A．once, a lot of time

B．sometimes, a great deal of money

C．sometimes, a lot of time

D．once, a great deal of money

空想社会主义理论认为，社会主义是[ ]

A．工业化的必然

B．历史发展的必然

C．政治斗争的产物

D．理性的产物

下图标出的是有关热水瓶的组成物质，请回答下列问题。

（1）所标物质中为金属材料的是               (写一种即可)，为有机合成材料的是             。

（2）使用几天后，瓶胆内壁有水垢出现，这是因为水的硬度较大的缘故。请你写出鉴别硬水与软水的方法：                        

（3）可用厨房中的一种常用物质(写名称)             除去瓶胆内壁的水垢(水垢的主要成分是CaCO₃)。

（4）生活中人们是把水煮沸了饮用的，你觉得这样做的作用是（写两点）

                             、                           。

患者，男性，49岁，公司职员。查体：身高179cm，体重85kg，血压140/88mmHg，空腹血糖7.2mmol/L，血脂正常。平时食量较大，拟采用饮食疗法。

该患者饮食中的饱和脂肪酸应（）。

A.占总能量15％

B.禁用饱和脂肪酸

C.占脂肪总量50％

D.小于总能量10％

E.占脂肪总量0.5％

咽-结合膜热好发于（）

A、冬春季

B、夏秋季

C、春夏季

D、秋冬季

E、冬季