错误论述冷冻干燥方法的是()
A.物料在高真空和低温条件下干燥
B.又称为升华干燥
C.又称为流化干燥
D.适用于热敏性物品
E.常用于注射用粉针剂的制备
参考答案:C
He came to my class every week, but his attitude _______ he was not really interested in the subject. [ ]
A. expressed
B. described
C. explained
D. suggested
最可能的诊断是
A.腹壁软组织损伤B.肺挫裂伤C.肝脏破裂D.胰腺损伤E.胃或十二指肠损伤