Li Ming ____ Chen Dong when they met at the airport.

A．shakes hands with

B．shake hand with

C．shook hand with

D．shook hands with

风心病二尖瓣狭窄的典型面容是（）

A.面色灰暗，双颊发红，口唇发绀

B.面色苍白，表情疲惫

C.面色灰褐，额部有褐色色素沉着

D.面容惊愕，目光闪亮

E.表情淡漠，反应迟钝