金黄色葡萄球菌肺炎（）.
A.粉红色泡沫样痰
B.脓血痰
C.砖红色胶冻样痰
D.铁锈色痰
E.脓臭痰
参考答案：B
看例句，填空。
What's this?
1. It's a .
2. It's a .
3. It's eraser.
4. It's .
5. It's .
6. It's .
HIV的包膜糖蛋白为gp120和gp41。（ ）为外膜蛋白，（ ）为透膜蛋白。
