天南星的功效包括（）
A.舒筋活络
B.燥湿化痰
C.祛风解痉
D.降逆止呕
E.消肿散结
参考答案：B, C, E
匙状甲多见于（）。
A.肺气肿
B.肝硬化
C.缺铁性贫血
D.肺脓肿
E.心肌梗死
There______ a lot of snow in our city last year. [ ]
A. is
B. are
C. was
D. were
