【单选题】蛛网膜下腔出血,剧烈头痛,脑压高,行腰穿最主要危险为
【单选题】What is the author's attitude towards science?
A.
He is depressed because of the ignorance of scientists.
B.
He is doubtful because of the enormous difficulties in scientific research.
C.
He is confident though he is aware of the enormous difficulties in scientific research.
D.
He is delighted because of the illuminating scientific findings.
【单选题】What is the main point of the article?
A.
This article explains why European retail is one of the few industries anywhere on the globe.
B.
In Europe, government prevent the Wal-Martification.
C.
The real megastore action is moving outside Western Europe.
D.
Safeway has become a particularly hot commodity in part because many of its stores have the combination of size and location.
【单选题】由一个守门员、四名后卫、三名前卫和三名前锋组成的阵形称为()。
【单选题】由一个守门员、四名后卫、 三名前卫和三名前锋组成的阵形称为( )。
【单选题】女性,39岁,一向体健;入院当日晚间在听电话时,突诉剧烈头痛后电话从手中落下,人也倒地。病人进行了腰椎穿刺,脑脊液呈血性,压力增高;血压正常的病人,发生蛛网膜下腔出血的最常见的非外伤性原因是()
【单选题】What is the O antigen of Enterobacteriaceae?
B.
A channel controlling substance taken into the organism.
D.
A peptidoglycan matrix important for cellular rigidity
E.
Cell wall lipopolysaccharide