在客户/服务器结构中．提出请求的计算机称为______，而将受理请求的计算机称为______。
参考答案：客户机服务器
—They say Tom's brother is a billionaire.
—_____________? He wouldn't accept any help from his brother, even though it was offered. [ ]
A. What if
B. What for
C. So what
D. Forget it
既可敛肺，又可涩肠的药物有（）。
A.乌梅
B.五倍子
C.诃子
D.芡实
E.罂粟壳
