根据短文理解，选择正确答案填空。 

    Jim is a junior high school student. He gets up 16:30 every morning. His home is near his school. He 2home after breakfast. He goes to school on foot. This is good for his 3. He has four lessons in the morning. He has lunch at home. After lunch he goes to school again. In the afternoon, Jim has lessons . He likes English and PE lessons. He has PE lessons on Tuesday and Friday. He is good at4football and basketball. He is also good at the high jump. His PE teacher likes5 very much. He often plays football with his classmates after school.

读澳大利亚自然带分布图，和①处自然带的形成无关的因素是（    ）

做两对相对性状遗传实验不必考虑的是（　　）

台州市2012年5月的平均房价为9530元/m²，2014年同期达到11284元/m²，假设这两年台州市房价的平均增长率为x，根据题意，则下列所得的方程中，正确的是（　　）

①猪肉②鱼③米饭④青菜⑤苹果．