光的干涉和衍射现象反映了光的（）
A.偏振性质
B.波动性质
C.横波性质
D.纵波性质
参考答案：B
Their classroom is _____ than ours, that is to say, their classroom is as small as ours.
A．much bigger
B．much smaller
C．no bigger
D．less small
氯丙嗪
A．阻断D1、D2受体B．使突触间隙的NA浓度下降C．阻断N胆碱受体D．对心肌有奎尼丁样作用E．阻断中枢5-HT受体
