心包摩擦音的听诊特点()。
A.深吸气后增强
B.运动后不明显
C.深吸气后不明显
D.仰卧位增强
E.左侧卧位时明显
参考答案:A
Although her ability in art has not yet developed, she has great____ as an artist.
A.success
B.potential
C.victory
D.possibility
某船宽23.4m,途中测得横摇周期Tθ=15.7s,船舶重心高度KG=7.21m,船舶横摇周期系数f取1.0,则其初稳性高度GM为()m。
A.1.03
B.0.92
C.0.81
D.0.87