原发性高血压心脏并发症中首先出现的是（）
A.冠心病
B.脑梗死
C.心绞痛
D.左心室肥厚
E.心功能不全
参考答案：D
—I’m going to see John tomorrow.
—Don’t tell him the result of his medical examination when you __________ to him.
A．talk
B．have talked
C．will talk
D．talked
剪刀削发时，若用力过小，则（）头发。
A.削断过多
B.削断较多
C.削不断
D.削齐
