发的局部表现特点是（） A.发病较快，结块形如鸡卵，漫肿无头，焮热疼痛 B.发病较慢

选词填空。

1. Beijing is ______ (big/bigger) than Tianjin.

2. The Changjiang River is very ______ (long/longer).

3.1s Lingling ______ (shorterlshort) than Ms Smart?

4. I'm ______ (old/older) than my little sister.

5. Wang Ping is a ______ (tall/taller) boy.

— Thank goodness, you're here! What ______ you?

— Traffic jam. [ ]

A. keeps

B. is keeping

C. had kept

D. kept

既能补中缓急，又能润燥、解毒的药物是（）

A.甘草

B.白芍

C.饴糖

D.大枣

E.蜂蜜

调查表的结构主要包括哪几个方面（）

A.说明（指导语）

B.资料的登记

C.调查项目

D.编码

E.结尾与备查项目

轮泵在运转期间，齿轮的接触迹线在啮合和不啮合时连续不间断地移动。