1000mlPDA培养基,葡萄糖的用量为()。
A.20g
B.200g
C.1.5g
D.2g
参考答案:A
由迟发型超敏反应引起的有()
A.对口红接触过敏
B.肾移植排斥反应
C.使用异种动物血清
D.结核菌素试验
E.对天花的免疫力
Cook was a strict but good captain , _____ who , usually , took care of the sailors on his trip .
A.the one
B.one
C.that
D.this