青蛙的呼吸是靠[ ]
A.鳃
B.肺
C.肺和皮肤
D.气囊
答案:C
The Grammar-Translation Method was at one time called ______ since it was first used in the teaching of the classical languages of Latin and Greek.
A. aural-oral method B. minimum methodC. Audiolingual Method D. Classical Method
( )呕吐的观察要点为呕吐的次数、量、颜色、气味和伴随的症状。