有关ADCC，正确的有（） A.是NK细胞的一种功能 B.基本机制是NK细胞表面表达

课文填空。

按照课文填出句中缺少的词汇，每空填一词。

1.This bacteria-killing medicine is _____ by many to be one of the most important medicines in _____

   society… He noted that mould had ______ on a special _____ jelly that had bacteria on it.

2.Young people from different ______ and different countries can form lifelong friendships. _____, people

   who are disabled and must stay in their homes can communicate with the outside world and meet others

   with _____ interests.

3.Some experts say that spending too much time building Internet _____ can _____ people's abilities to

   live normal lives…

将离体小肠置于适宜的环境中，仍能进行良好的节律性收缩运动，表明小肠平滑肌（）

A.传导性好

B.有自律性

C.伸展性好

D.收缩性强

E.兴奋性高

首选的治疗药物

A．地西泮(安定)

B．左旋多巴

C．普萘洛尔(心得安)

D．多巴胺

E．抗胆碱能药

食管癌较多发生在（）

A.胸中段食管

B.胸上段食管

C.胸下段食管

D.食管贲门部

E.颈部食管

局部通风机自动切换试验可在跟班干部的监护下由风机工独立完成。