一个S333的站点，标准配置需要配置几个E1？（）
A.3
B.4
C.5
D.6
参考答案：C
If you come across a word ___ meaning you have forgotten, please look it up in the dictionary.[ ]
A. in which
B. which
C. whose
D. that
坐高(sittingheight)
