以下项目中不属喘的特征者为（）
A.呼吸困难
B.鼻翼煽动
C.张口抬肩
D.难以平卧
E.喉中痰鸣
参考答案：E
一Why ______ your brother and sister want ______ the pandas?
一Because they are very fun. [ ]
A. does, see
B. do, seeing
C. does, to see
D. do, to see
--- What does “three quarters” mean, Li Ping?
---I see. It means __________.
A．15 minutes
B．one third
C．fourth three
D．three fourths
