美国电影“阿甘正传”是描绘一位智商平平的青年取得了巨大的成就，其成功原因可以归结为（

读对话，完成句子。

Chen Jie: What's your favourite food?

Sarah: Fish. It is fresh.

Chen Jie: Me too.

Sarah: I like grapes.

Chen Jie: I don't like grapes. They're sour.

Sarah: I like fresh vegetables. It's healthy.

Chen Jie: I like chicken.

1. Sarah like fish. It is _____________.

2. Chen Jie doesn't like grapes. They're _____________. 

3. Sarah likes _____________. It's _____________.

4. Chen Jie likes _____________.

需求是与商品销售价格所对应的消费者购买欲望和购买意向的统一。（）

使用手信号要求列车停车，显示方法是怎样规定的？

新办评定残疾等级的时限是如何规定的？

原子吸收分光光度计中的单色器是放在原子化系统之前的。( )