--Who's in the classroom--().
A. No one
B. None
C. Not one
D. Not many ones
急性气管一支气管炎的主要病变是
A. 气管肌层炎症
B. 细支气管炎症
C. 气管上皮细胞坏死
D. 气管一支气管黏膜的急性炎症
E. 支气管与肺泡的炎症
Maybe you have been to many countries, but nowhere else()such a beautiful palace.
A. can you find
B. you could find
C. you can find
D. could you find
一度房室传导阻滞临床表现是
A. 晕厥
B. 休克
C. 抽搐
D. 猝死
E. 通常无明显症状