虚寒肺痿的症状是（）
A.咳唾涎沫
B.咳而胸满
C.吐涎沫而不咳
D.头眩不渴
E.遗尿、小便数
参考答案：A, C, D, E
The news spread all over the world _______that Kim Jong Il, top leader of the Democratic People's
Republic of Korea (DPRK), passed away last Saturday at the age of 69. [ ]
A. instantly
B. constantly
C. previously
D. curiously
浮点型数据中，______类型具有占内存少、运算快的优点。
