下列属于糖类的是（） ①果糖 ②淀粉 ③油脂 ④纤维素 ⑤淀粉酶。 A．①②⑤

市场预测的原理中，( )又称相关性原理。

A．系统性原理

B．连续性原理

C．可知性原理

D．因果性原理

以下关于血红蛋白的说法不正确的是（）

A.正常成人体内约有97％的血红蛋白是HbA

B.HbA由α₂β组成

C.成人体内血红蛋白还可由HbA₂组成

D.HbF主要在胎儿期合成

E.HbF在成人体内可占1％

患者大便变细，便意频繁，首先应行( )

A．乙状结肠镜检查

B．粪便培养加药物敏感试验

C．X线钡剂灌肠检查

D．纤维结肠镜检查

E．直肠指检

第二节：双向翻译（共5小题；每小题1分，满分5分）

请根据上下文内容，将文中划线部分译成汉语或者英语。

What is "health"? It means that we have healthy bodies, healthy hobbies and healthy lives.  36. It's easy for me to answer what I usually do to keep healthy. I usually read books or newspapers, and listen to music like English country songs.

Do you really want to keep healthy? Here are some suggestions. 37.首先，你应该早睡早起，so you can have a good sleep during the night and listen to the teacher carefully during the day. 38.其次，你最好参加运动, especially ball games, like basketball, football and table tennis. Playing sports can make you strong. Third, 39. don't watch TV programs too much except news; don't play computer games for a long time. It's bad for your eyes and it may make you lazy. Fourth, eat less but healthier food. Why don't you eat noodles and rice instead of hamburgers and fried chips? Why don't you drink water and milk instead of coffee and coke? 40. Finally, you should always be happy. The secret is doing something good for others. I hope you can keep healthy and enjoy your life.

根据伦理学的观点，实践主要是以下哪一种目的性的活动：（）

A、内在

B、多变

C、重复

D、单一