用所给词的适当形式填空
(1)Autumn is a____(wonder)season.
(2)We all hope____(have)a long holiday.
(3)I____(buy)a new car the day before yesterday.
(4)I like doing some____(shop)with my parents.
(5)He did some____(read)last night.
①资源丰富 ②市场广阔 ③劳动力丰富 ④专业化协作好
已知直线l1: y=xsinα和直线l2: y=2x+c,则直线l1与l2 ( )