患者高热不退,烦闷躁扰,手足抽搐,舌绛而干,脉弦而数,治疗应首选的方剂是()
A.清营汤
B.羚角钩藤汤
C.安宫牛黄丸
D.大定风珠
E.犀角地黄汤
参考答案:B
A quarter of the students _____ interested in English now . [ ]
A. is
B. are
C. was
D. were
阿兰索将灭价曲线定义为一组家庭在不同的距离都有能力支付的而又保证同等满意度的价格曲线。( )