血栓闭塞性脉管炎的健康指导是（）。
A.绝对忌烟
B.指导肢体运动
C.注意防寒保暖
D.患肢防创伤
E.保肝治疗
参考答案：A, B, C, D
_______ you ________ stay at home this evening? [ ]
A. Are; have to
B. Do; have to
C. Did; has to
D. Do; has to
秋菜豆出苗后要及时培管，前期要（），后期要保花保荚。
A.促生长
B.限生长
C.多浇水
D.不施肥
