Millions of people in the United States suffer from () back pain that comes from sitting too long at a desk.
A. chronic
B. casual
C. catastrophic
D. elastic
查看答案
扩血管抗休克药是
A. 阿托品,去甲肾上腺素,山莨菪碱
B. 去甲肾上腺素,多巴胺,山莨菪碱
C. 阿托品,间羟胺,多巴胺
D. 去氧肾上腺素,去甲肾上腺素,东莨菪碱
E. 山莨菪碱,阿托品,多巴胺
糖分解代谢试验不包括:()
A. CAMP试验
B. O/F试验
C. V-P试验
D. 甲基红试验
The fund is for () distress among the flood victims in the southern city.
A. releasing
B. detracting
C. relieving
D. devolving
关于外毒素,下列说法正确的是:()
A. 性质稳定,耐热
B. 毒性较强
C. 无抗原性
D. 主要由革兰阴性菌产生