进S1401的灰水添加絮凝剂的作用？
参考答案：S1401进口加絮凝剂的目的是为了让水中的杂质凝结成大块在S1401中沉淀，使水质变好。
Four years later,she became the first woman____a degree in agriculture from that famous school. [ ]
A. receive
B. receiving
C. received
D. to receive
设有一个存储器，容量是256KB，cache容量是2KB，每次交换的数据块是16B。则主存可划分为 (7) 块，cache地址需 (8) 位。
（8）处填（）。
A．7
B．11
C．14
D．18
