《中华人民共和国水法》正式施行日期为( )。A．1988年1月21日 B．1988年

某患者，男性，48岁，因“胆管结石”入院，次日10：00进行手术治疗并进行T管引流，12：00回病房，14：00患者突然出现腹痛、发热，查体腹膜刺激征明显，应考虑发生了的病症是（）

A、胆系感染

B、胆道内出血

C、引流管压迫肠管

D、胆汁渗漏

根据我国现行规定，作为计算投资项目资本金基数的总投资是指( )。

A．固定资产投资

B．流动资产投资

C．固定资产投资和流动资产投资之和

D．固定资产投资和铺底流动资金投资之和

属于构造运动的产物的是（）。

A、褶皱、断裂

B、火山、断裂

C、褶皱、火山

D、河流、火山

Audrey is a Chinese-American student. She has found many value(价值观) differences between Chinese and Americans.
About money
1) Americans would like to spend more than they have, so many of them are always in debt (欠债). Chinese usually spend less than they have, so many of them always have money left in the bank.
2) American kids love to make money by themselves. Chinese kids always ask their parents for money.
3) American parents think it is not useful to send their children to an expensive university. Chinese parents would do anything to send their children to good universities and that might make them very poor sometimes.
About school
1) Many American girls take part in sports, dancing and singing groups while Chinese girls take part in academic groups.
2) Some American students think that "B" is a gift while Chinese students think that "B" is terrible.
American parents and Chinese parents
American parents allow their daughters or sons to go out to have some part-time jobs in their free time or at the weekends. Chinese parents usually don’t allow their children to do so in middle or high schools.

What would a Chinese middle school student probably NOT do at the weekends according to the passage

A．Study at home

B．Do part-time jobs

C．Take part in sports groups

D．Do chores