搜题请搜索小程序“爱下问搜题”
问题 单项选择题

多发性肌炎的病因除外下面哪项因素（）

A.发病前病毒感染

B.发病前寄生虫感染

C.合并有恶性肿瘤的可能

D.细菌的直接感染

E.免疫功能失调，包括细胞免疫和体液免疫的异常

答案

参考答案：D

填空题

根据所给汉语意思填空。

1. Simon _____ (总是) plays football after school.

2. I talk to my classmates a _____ (午餐时间).

3. _____ (绘画) is my favourite hobby.

4. I like _____ (数学), so I am good at it.

5. Sandy and her mother don't like_____ (鱼肉).

6. Many students _____ (通常)go to school at 6:30.

7. Kitty sometimes has dinner at her _____ (祖父母) home.

8. Do you often have dinner in a _____ (餐馆)?
查看答案
多项选择题

骨盆骨折的专有体征有

A．畸形改变

B．局部压痛及间接挤压痛

C．骨擦音及骨擦感

D．反常活动

E．局部肿痛
查看答案