以下引起中枢性呕吐的是()
A.消化道疾病
B.腹膜炎
C.肺炎
D.过食
E.脑炎
参考答案:E
运输价格的制定和核计,按具体运输服务内容的不同,以()的形式进行
A、基价加附加价
B、运输费加服务费
C、运输费加保管费
D、运输费加搬运费
All but one _____ here just now. [ ]
A. is
B. was
C. has been
D. were