multiparty 多党 multiparty system 多党制 multi-purpose 多种用途 思维拓展：

mono-前缀：one, single 单

　eg: a monolingual dictionary(单语词典)

bi-前缀：two, twice, double双

　eg: a bilingual dictionary(双语词典)

4.Declare v.宣告，声称，宣称，申报

　translate the following sentences

1) War was declared on the enemy.

2) She declared that she knew nothing about it.

3) Have you anything to declare.

declare oneself 发表态度 declare war on/upon 宣战 declare against 声明反对 declare for 声明支持 5.Keep up:保持,坚持,持续

1) The manager asked the workers to keep up the work.

2) The rain kept up for two days and the roads were floated.

Step 4 Exercises: translation

1.我就是想不起他的名字。(occur)