结核分枝杆菌化学组成最显著的特点是含有大量的()
A.蛋白质
B.脂类
C.多糖
D.RNA
E.磷壁酸
参考答案:B
—Can you come back at 3 o'clock tomorrow afternoon?
— . I'll have an important meeting at that time.
A.I hope so.
B.I agree.
C.I'm afraid so.
D.I'm afraid not.
重症肌无力的临床表现特性为()
A.反复发作性
B.部分或全身的骨骼肌易疲劳
C.波动性肌无力
D.症状晨轻暮重
E.症状无规律性