某变电所简化接线如下图所示。取Sj=1000MV·A，Xch取1.8。求：（1）系统

在“然而，文恭，相公也”中，”相公"之义为（）

A.宰相

B.男子之美称

C.爵位名

D.官职名

IP地址采用分段地址方式，长度为4个字节，每个字节对应一个 【12】 进制数。

海陆分布对气压带和风带的分布有何影响？

Directions:

Suppose you are the secretary of the principal of your university. You are expected to write a memo to remind the principal of an important international meeting he has to attend the next day. Imagine some detailed activities the principal has to perform in the meeting.

Write your memo in no less than 100 words. Write it neatly on ANSWER SHEET 2.

Do not sign your own name on the memo; use Li Hua instead.

Do not write the address. (10 points)

实心覆铜功能的好处是（）。

A、不需要CAM处理软件的支持

B、方便覆铜区域的查看

C、减少PCB文件包含的数据量

D、方便覆铜区转角方式的修改