阅读短文，然后答题  

       Look at this. What’s this in English, do you know? Ah, it’s a photo. Who’s that in the photo?

It’s Li Yan. Li Yan is my good friend. She is a beautiful girl. Who’s that? The boy in black? It’s Jim. He is an English boy. He is very cool. He is my friend, too. We are all in the same school. I like Jim and

Li Yan.   

根据短文内容选择正确答案。

1. What is t his? It’s ________.

A. a school    

B. a friend      

C. a photo      

D. an English friend

2. Li Yan is ________.

A. a good boy                  

B. a cool boy        

C. a beautiful girl                

D. an English girl

3. What color is Jim in? ________.

A. Red        

B. Yellow      

C. Orange      

D. Black

4. Who’s English? ________.

A. I          

B. Jim          

C. Li Yan      

D. Jim and Li Yan

5. Who are in the same school? ________.

A. Jim and Li Yan                

B. Jim and I          

C. Li Yan and I                  

D. Jim, Li Yan and I

葡萄胎的病理变化是（）。

A.未见滋养细胞，内膜呈分泌期变化

B.滋养细胞高度增生，镜下仍有部分绒毛结构

C.滋养细胞异常高度增生，镜下见不到绒毛结构

D.滋养细胞侵入子宫内膜层，间质表面没有发现水肿

E.滋养细胞增生，绒毛呈水泡状，绒毛间质水肿