阅读下面的短文，从四张图片中找出一个正确对象。

      Hello. My name's Susan. I'm twelve years old. Look! This is a picture of my family. This is my mother

and this is my father. This is my brother. His name is Simon. There is also my dog too. His name is Bobby.

1.          2.

3.          4.

烹饪原料种类繁多，品质各异，即使是同一品种的原料，由于产地不同，上市期不同，它们的品质特点也会有所差别。