点P₁（$x_1$，$y_1$），点P₂（$x_2$，$y_2$）是一次函数$y$＝－4$x$ + 3 图象上的两个点，且$x_1$＜$x_2$，则₁与₂的大小关系是（    ）

世界上土地面积自然增长率最快的自然保护区是____ 

    Most Chinese eat three meals a day. In the past,they had breakfast in the morning, a big lunch at noon, and a light supper at night.

    But now both men and women in the big cities have to work on the weekdays. So they often eat bread, eggs, milk and porridge forbreakfast at home. For lunch, Chinese take-away food is very popular. They often have a quick lunch in their workplaces.

    After work in the afternoon, they have more time for supper. They usually eat a big meal at home. Wives often cook meat, fish, chicken, vegetables and rice for their family.You can also find dumplings and noodles on the table in most families of northern(北方的)China.