A—Property Law B—Intellectual Property Law
C—Bankruptcy Law D—Law of Nations
E—Patent Law F—Constitutional Law
G—Administrative Law H—Criminal Law
I—Maritime Law J—Commercial Law
K—Civil Law L—International Law
M—Antitrust Law N—Contract Law
O—Natural Law P—Trademark Law
______专利法 ______物权法

A. The use of e-mail of the criminal.
B. The intended target of the criminal.
C. The data record that is kept.
D. The illegal use of computer in distributing pornography.

A. Language is to be viewed with ranks or grades.
B. Most languages of "backward" groups are complex enough to express ideas.
C. Generally languages are probably developed from simple sounds.
D. All languages seem to possess the system for vocabulary expansion.