My name is Taotao. Here are four of my photos. Let me tell you about them.

In the first photo, I’m running. I like sports and I want to be a running star.

I like spring and winter(春天和冬天) best. So I have two photos of them. Look at the second picture. I am flying kites(放风筝) with my friends in the park. There are all kinds of kites there. We are very happy. In the third photo, I’m playing snow fight(打仗) with my friends. And some friends are making snowmen. We are playing happily.

In the last photo, I’m doing my homework. Who’s that girl? Oh, she is my sister and she is helping me do my homework. My sister is good at her subjects. In the evening, we usually do our homework and watch TV.

小题1: Taotao wants to be a _______________.

小题2: The _______ photo is about winter.

小题3:In winter people can ________________ snow.

小题4:______________ help(s) him do his homework.

哪种类型的成年型重症肌无力胸腺瘤的伴发率较高（）

A.Ⅰ型（眼肌型）

B.Ⅱa型、Ⅱb型（轻、中度全身型）

C.Ⅲ型（急性重症型）

D.Ⅳ型（迟发重症型）

E.Ⅴ型（肌萎缩型）