美容登记卡中包括顾客的美容史，皮肤诊断和（）等内容。
A.家庭现状
B.皮肤诊断
C.个人发展
D.收入状况
参考答案：D
对刺激的定型系统所形成的反应定型系统叫（）。
A.动力系统
B.反应系统
C.动力定型
D.反应定型
Mr. Blake __________my letter, otherwise he would have replied by now.
A．will not have received
B．needn’t have received
C．shouldn’t have received
D．couldn’t have received
