当客户的满意度（）时，客户抱怨的情况可能也就由此而产生。
A.大于1
B.等于1
C.小于1
D.视情况而定
参考答案：C
To keep healthy, Professor Wade _ cycling as a regular form of exercise after he retired.[ ]
A. took up
B. picked up
C. carried out
D. took on
具有凉血止血，解毒敛疮功效的药物是（）
A.地榆
B.蒲黄
C.白茅根
D.槐花
E.大蓟
