如图表示食物中某种有机物在消化道内的消化情况．据此推断该有机物是（ ） A．淀粉

重度营养不良伴腹泻时的液体疗法是（）。

A.补液速度要慢，每天补入的电解质成分要适当的减少，不必另外补钾，有酸中毒时宜选碳酸氢钠 

B.仅补充每日需要量，出现混合性酸中毒时不必急于纠正电解质紊乱 

C.纠正脱水和酸中毒，纠正血液的低渗状态 

D.计算补入液体总量时宜适当减少，补入的液体以2／2～1／2张为妥当，补液中的葡萄糖以10％，比5％更优 

E.严格控制液体入量，保持体液平衡，纠正电解质紊乱及酸中毒

阅读理解。

Ann: Hello, Ben. May I ask you some questions?

Ben: Sure.

Ann: Which place in your school do you like best, Ben?

Ben: I like the playground best. I like playing football. How about you?

Ann: I like music room. Because I love dancing. Dancing is relaxing.

Ben: Which place does Betty like best?

Ann:I think she like the library. She enjoys reading because she thinks reading is fun. What about Harry?

Ben: I think he likes the gym best?

Ann: Why do you think so?

Ben: Because his favorite sport is swimming. He likes swimming in the gym.

1. How many people are mentioned (被提及) in this dialong? 

2. What is Ben's favorite place?

3. Which place does Ann like best?

4. Why does Harry like the gym best?

5. 将对话中的划线部分译成汉语。

You didn’t let me drive. If we _______ in turn, you _______ so tired.

A．drove; didn’t get

B．drove; wouldn’t get

C．were driving; wouldn’t get

D．had driven; wouldn’t have got

队列研究的最大优点是（）

A.对较多的人进行较长时间随访，具有好的代表性

B.发生选择偏倚的可能比病例对照研究少

C.能较直接地确定疾病与因素间的因果联系

D.容易控制混杂因子的作用

E.研究的结果常能外推到整个人群

小明今年13岁，三年前父母离婚时双方达成一个协议并经过了公证。协议主要内容是：“小明随父亲生活，母亲以后不再负责小明的生活.教育等费用……”现在父亲下岗，无经济来源，小明起诉其母亲索取教育费可以吗？（）

A.可以起诉。

B.不可以起诉。

C.先必须让法院对此协议进行定性，否则不可以起诉。

D.要看母亲是否同意给教育费。