对人致病的链球菌主要是()
A.A群链球菌
B.B群链球菌
C.C群链球菌
D.D群链球菌
E.E群链球菌
参考答案:A
解析:人类链球菌感染中85%以上由A群链球菌引起。
句型转换。
1. This is my father. (改为一般疑问句)
_____ this _____ father?
2. My basketballs are in the box. (改为否定句)
My basketballs _____ _____ in the box.
3. Mary's pencil is yellow. (对画线部分提问)
_____ _____ is Mary's pencil?
4. I have a big sports collection.(改为一般疑问句)
_____ you _____ a big sports collection?
5. This is a ruler. (改为复数句)
_____ are _____ .
“数即宇宙”是()
A.基督教神学的思想
B.柏拉图的思想
C.毕达哥拉斯学派的思想
D.伊壁鸠鲁学派的思想