Biots呼吸常见于（）
A.急性传染病
B.巴比妥类药物中毒
C.尿毒症
D.癔病
E.重度贫血
参考答案：B
If you do not know how to say something in English, you say: _____. [ ]
A. I don't know.
B. Excuse me. How do you say that in English?
C. I will start now.
D. I'm sorry. I don't know.
原发性免疫缺陷易出现的主要疾病是（）。
A.自身免疫性疾病
B.肿瘤
C.白血病
D.艾滋病
E.反复感染
