中药常用的加工方法有()
A.洗涤与挑选
B.休整与去皮
C.蒸、煮、烫
D.熏硫
E.干燥
参考答案:A, B, C, D, E
若某三角形的两边长分别为3和4,则下列长度的线段能作为其第三边的是 [ ]
A.1
B.5
C.7
D.9
The taxis in this city _______ in the same color. You can see them everywhere.[ ]
A. are
B. has
C. is
D. have