不属于社会问题特征的是( )。
A．普遍性和变异性
B．复合性和周期性
C．破坏性和集群性
D．暂时性和间歇性
参考答案：D
—How many people went to the party?
—_____ people. [ ]
A. Two thousands
B. Thousand of
C. Thousands of
D. Two thousand of
中梗阻
