金元统治者是塞外游牧民族，饮食习惯以牛羊肉和奶类为主。()
参考答案：对
— It only takes me 20 minutes to get here by bike. Why don’t you ride a bike as I do?
— . I’m afraid I’ll have to ride a bike.
A．I agree
B．I’d like to
C．I don’t think so
D．It’s not so easy
性欲期
