简述恐怖主义国际合作的原则。

Do you like drinking Coke? As a symbol of American culture, Coca-Cola is liked by many people, especially young people all around the world. But from now on, perhaps it will sales of high-sugar fizzy(起泡的) drinks in US school.

The agreement allows only unsweetened juice, low-fat milk and water in primary and middle school vending machines and cafeterias. The agreement is “a bold(大胆的) step forward in the struggle to help 35 million young people lead healthier lives”.

Rising childhood obesity(肥胖) has become a big problem in America. A report noted that obesity has tripled(增至三倍) among teenagers in the past 25 years. It called for new limits on the marketing of junk food to children. Soda is a particular target because of its caloric content and popularity among children.

Britain has already taken similar steps to fight obesity. A recent study shows that people in the UK are much healthier than the people in the US. However, it’s better late than never. Now American schools are trying to make new regulations to guide the students to choose healthy drinks.

小题1:_________ has become a big problem in America.

A．Junk food

B．Drinking coke

C．Obesity

D．Health小题2:Why is soda a particular target?

A．Because it tastes good.

B．Because it has more calories and is popular among kids.

C．Because it is not a healthy diet.

D．Because it is a symbol of American culture.小题3:What can we learn from the last paragraph?

A．Britain has no such problem as obesity.

B．People in UK are healthier than people in US.

C．Americans are much healthier than British people.

D．New regulations have been made to guide students in US school.

关于慢性宫颈炎，错误的是（）

A.病原体主要侵入宫颈柱状上皮所覆盖的部分

B.临床多无急性过程的表现

C.单纯型糜烂不伴间质增生

D.宫颈腺体囊肿，是病原体侵入腺体内所引起的

E.物理疗法是目前治疗子宫颈糜烂较好的方法

下列原料在中国药典(2005年版)中所用的含量测定方法为

阿司匹林（）

A．中和滴定法

B．双相滴定法

C．非水溶液滴定法

D．络合滴定法

E．高锰酸钾滴定法

高层建筑管道常用的连接方法中，承插连接用于()。

A.PPR管的连接

B.镀锌钢管

C.铝塑复合管

D.给水及排水铸铁管及管件的连接

树脂类黏结剂的优点不包括（）

A.难溶于唾液

B.黏结力强

C.牙髓刺激小

D.可与牙本质黏结

E.可与金属黏结