在相同温度下，等体积、等物质的量浓度的下列溶液①Na2SO4、②H2SO3、③N

阅读理解。

     Most people in Britain live in small family groups. More than a quarter of houses in Britain have only got

one person in them. Some of these are old people but some are people of twenty to thirty who choose to live

alone. 35% of houses have two people in them, and another 17% have three people. 15% have four people in

them, and the other homes have five or more. The families in Britain are small. It is unusual for parents to have more than two children. When children are about eighteen or nineteen, they leave their parents' home, and they

often go to a different city. Sometimes they only visit their parents two or three times a year. 

1. How many houses in Britain have 3 people living in them?

A. 8% of houses.

B. 15% of houses.

C. 17% of houses.

D. 35% of houses.

2. At what age do children in Britain usually leave their parents' home?

A. About 18 or 19.

B. About 20 or 21.

C. About 25 or 26.

D. About 30 or 31.

3. What do you think the passage is?

A. An instruction.

B. A report.

C. A play.

D. A joke.

4. What does the passage mainly tell us?

A. Young people in Britain.

B. Old people in Britain.

C. Families in Britain.

D. The population in Britain.

5. According to the passage, which of the diagrams is right?

下列商家的销售行为，违反《反不正当竞争法》的是：( )。

A．某超市在牛奶快要过期前将其以低于成本的价格销售

B．某商场举行抽奖式的有奖销售，设置了两个最高奖，奖励形式为现金5000元

C．某书店在店门口公布，但不索取发票的，可以9折优惠，该店亦未将折扣入账

D．某公司在新产品宣传单上公布了与市场上其他同类产品的真实对比数据，之后造成其他同类产品滞销

子宫脱垂病因错误的是

A．分娩损伤宫底肌肉、韧带

B．未产妇及处女不可能发生

C．腹压增加，慢性咳嗽、便秘

D．盆腔巨大肿瘤，腹水压迫

E．体质虚弱，慢性疾病

通知存款部分支取，留存部分低于起存金额的处理方法是（）。

A、予以清户

B、按清户日挂牌公告的活期存款利率计息

C、保留原户

D、按清户日挂牌公告的通知存款利率计息

E、或根据存款人意愿转为其他存款

下列不是新药制剂的主要内容（）

A.处方、制备工艺、辅料等

B.稳定性实验

C.澄明度检测

D.溶出度或释放度试验

E.生物利用度