填空。   

(1)《公输》选自《__________》。墨子名____，相传为_______时期______国人，是______学派的创始人，墨子重要的政治主张     是“___________”，在本文中就有明显体现。《公输》一文通过_________描写来刻画人物形象。文中墨子连用三个对比，将楚宋两国的物产作了比较，从而类推出楚国攻宋正如楚王自己说的“________________”   

(2)“诸子百家”中的“百家”是指_________________，“诸子”是指_______________；“四书五经”中的“四书”是指_______________，“五经”是指__________________。

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet. Communicating via e-mail is by far the most common Intemet activity. You can （）with anyone in the world who has an Intemet address or e-mail （）with a system connection to the Internet. All you need is （）the Internet and an e-mail program. Two of the most widely used e-mail programs are Microsoft’s （） and Netscape’s Navigator. A typical e-mail message has three basic （）: header, message, and signature.

A typical e-mail message has three basic（）: header, message, and signature.

A．packets

B．elements

C．frames

D．cells