下列不属于哺乳动物下丘脑功能的是（　　）

    Hutong is a kind of ancient typical city 5lrccl in Beijing.____ (surround) the Forbidden City, many were built during the Yuan, Ming and Qing ____ (dynasty). In order to establish the strongest power for emperors, the royal family planned the city and arranged the residential areas (住宅区). The Forbidden City- ____ center of the Beijing city, was the royal palace.

    At the end of the Qing dynasty, after ____ (close) China came under the influence from abroad, many old hutongs lost____ (they) former neat (灵巧的) arrangement.

    After the founding of the People's Republic of China in 1949, the conditions of hutong ____ (improve). But in recent years, the houses in many hutongs have been pulled ____ and then replaced by modem buildings. And the hutong today is fading into the shade for both tourists____ local people.

    However, in the urban district of Beijing, hutongs still occupy one ____ (three) of the total area, providing housing for half population, so many hutongs ____ (survive) these years. In this respect, we see Beijing as an ancient yet modem city.

已知两个不同的平面α、β和两条不重合的直线，m、n，有下列四个命题：

①若m∥n，m⊥α，则n⊥α

②若m⊥α，m⊥β，则α∥β；

③若m⊥α，m∥n，n⊂β，则α⊥β；

④若m∥α，α∩β=n，则m∥n，

其中不正确的命题的个数是（　　）