_____________ you like some dumplings, Jenny? [ ]
A. Would
B. Are
C. Want
答案：A
-Look at the picture! It shows the panda Tai Shanks happy life in the USA.
--Really? Who it?
A. took B. was taking C. had taken D. has taken
二尖瓣脱垂时心尖部可存在（）
A．Graham-Steell杂音
B．Austin-Flint杂音
C．Gibson杂音
D．收缩中晚期喀喇音
