从远处看世博演艺中心,其外观造型仿佛是一个()。
A.出水的河蚌
B.天外来的飞碟
C.晶莹剔透的珍珠
参考答案:B
---Did you get to school on time yesterday?
--- No. An unexpected heavy rain ______ the bus ______the station on time.
A.allowed, reaching
B.stopped, reaching
C.stopped, to reach
D.kept, reaching
下列哪种不是病原细菌常规诊断方法()
A.细菌分离
B.生化试验
C.动物接种
D.药敏试验
E.血清学试验