一般情况下,客人大致按明码标价的()作为小费是比较合适的。
A.5%
B.6%
C.20%
D.10%
参考答案:D
My school isn't far from here. It's only _____ walk.[ ]
A. fifteen minutes
B. fifteen minutes'
C. fifteen minute's
不符合肺心病的表现()
A.胸片上可见Kerley-B线
B.P2>A2
C.肝大及双下肢水肿
D.胸片上可见肺动脉段突出
E.心浊音界左侧扩大