营销思想是一种( )的经营哲学。
A．以销定产型
B．以产定销型
C．以需定产型
D．以需定销型
参考答案：A
The number of people invited to the party ____ fifty, but a number of them ____ absent for different reasons.
A．were; was
B．was; was
C．was; were
D．were; were
盘状红斑狼疮在口腔黏膜中的好发部位是
A．颊部
B．舌背
C．下唇唇红
D．上唇唇红
E．上腭
