具有中枢性肌松作用的药是（）。用于焦虑症的药是（）。
A.戊巴比妥
B.地西泮
C.司可巴比妥
D.硫喷妥钠
E.苯巴比妥
参考答案：B,B
After she finished her homework she went on _____ early. [ ]
A. cleaning
B. clean
C. to clean
纤毛
