收入低水平的人们购买商品时所考虑的是（）。
A.质价相称
B.实惠
C.经济
D.就近
参考答案：A, B, C, D
They didn't agree to sell the house ____ window faces to a lake at a low price, ______ was disappointing. [ ]
A. whose; which
B. whose; that
C. which; which
D. that; that
秦直道堪称世界公路的鼻祖，始建于公元前212年，南起（），北抵（）。
