This story_______ in a faraway village i

由于警察所赖以生存的社会条件是不断发展的，并呈现出一定的阶段性，警察的发展史也随之显现出一定的阶段性。一般分为萌芽期的警察、古代警察、近代警察和当代警察。 ( )

心搏骤停

( )指目标公司管理层利用杠杆收购这一金融工具，通过负债融资，以少量的资金投入来收购自己经营的公司。

A．股票回购
B．金降落伞策略
C．管理层收购
D．毒丸策略

The use of computer graphics (1) many diverse fields. Applications (2) from the production of charts and graphs, to the generation of realistic images for television and motion pictures to the (3) design of mechanical parts.To encompass all these uses, we can adopt a simple definition:Computer graphics is concerned with all (4) of using a computer to generate images.We can classify applications of computer graphics into four main areas:Display of information, Design, (5) ,User interfaces.

A．pervades

B．pervasive

C．perverse

D．pervert