根据汉语提示完成对话。

Boy: Doctor, I'm too heavy.Can you help me to lose some weight?

Doctor: 1._____ (每天做早操很有必要)

Boy: 2._____ (吃很多甜食不好，是不是)?

Doctor: That's right. It's bad for you to eat too much sweet.

Boy: 3._____ (每天游泳1个小时， 行不行)?

Doctor: Yes, that's a very good exercise.

Boy: Anything else?

Doctor: Yes. 4._____ (饭前可以吃点儿水果)

1._______________________________________

2._______________________________________

3._______________________________________

4._______________________________________

关于1型糖尿病，下列错误的是（）

A.对胰岛素不敏感

B.有发生酮症酸中毒的倾向

C.起病较急，症状明显

D.大多消瘦

E.发病年龄较早