()常用来检验工件表面或设备安装的水平情况。
A、测微仪
B、轮廓仪
C、百分表
D、水平仪
参考答案：D
— I'm sorry. I've forgotten my credit card . And I don't have enough money for the meal.
— Don't worry. ________. [ ]
A. It's on me
B. It's my honour
C. I'll invite you
D. It's nothing particular
结核分枝杆菌导致其病理损害的机制是（）
A.侵袭力
B.外毒素
C.内毒素
D.体液免疫
E.细胞免疫
