鸟类有喙无齿；体表被覆______；前肢特化为______；哺乳动物一般体表__

任务性阅读。

     It's a picture of a small room. There is a girl in it. Her name is Sally. It's her room. There is a bed and

a desk in her room. What's that on the wall? It's a map of England. Next to the map we can see a photo.

It's Sally's photo. We can see a clock on the desk. Is it her black cat on the bed? No, it's her hat.

Where's her backpack? It's on her bed, too.

阅读短文，回答问题。

1. Whose (谁的) room is it?

    ______________________________________

2. Is the room big or small?

    ______________________________________

3. What's that on the wall?

    ______________________________________

4. Where's the clock?

    ______________________________________

5. What color is Sally's hat?

    ______________________________________

影响健康的因素不包括（）

A.环境因素

B.生物遗传因素

C.行为和生活方式因素

D.医疗卫生服务

E.以上全不对

下列不是企业财产综合保险的保险责任的是( )。

A．暴雨、洪水

B．台风、暴风、龙卷风

C．地震、海啸

D．雪灾、雹灾、冰凌

产褥期内母体变化最显著的是（）

A.体形

B.生殖器官

C.循环系统

D.泌尿系统

E.内分泌系统

静电场强越高，电除尘器效果越好，且以负电晕捕集灰尘效果最好，所以，设备设计为（）。