“我挥一挥衣袖，不带走一片云彩”是现代诗人（）的诗句。
A.胡适
B.戴望舒
C.闻一多
D.徐志摩
参考答案：D
You used to be careless, __? [ ]
A. did you
B. didn't you
C. do you
D. don't you
沉香含（）
A.果糖
B.小檗碱
C.鞣质和黄酮类
D.皂苷
E.白木香酸及白木香醛
