良性肿瘤多呈（）
A.结节状
B.分叶状
C.溃疡状
D.树根状
E.菜花状
参考答案：A, B, C
You know he is not going to let us leave early if we ___ get the work done. [ ]
A. can't
B. may not
C. shouldn't
D. mustn't
喘脱的表现为（）
A.喘促持续不解
B.烦躁不安
C.面唇青紫
D.肢冷，汗出如珠
E.脉浮大而洪数
