“尺有所短，寸有所长”这句话告诉我们（  ）

①正确认识自己

②客观评价自己

③扬长避短

④夸大自己的长处，忽略自己的短处

The dog stopped____  at strangers when they ran away. (bark)
The ____  people think red, green and white are Christmas colors. (west)
Every day the chimneys of ____  pour a lot of smoke to the air to pollute it. (factory)
I think you may be ____  in our new computer games. (interest)
I often make chocolate cake by ____ . (me)

我国“吃小米、住窑洞、唱信天游”的地区是(    )

请回答：