第6题: [单项选择]--Why can’t you and Sarah go to the movies tonight -- We are ( ) mathematics test tomorrow and I must prepare for it. A. supposed to have B. supposedly to have C. supposed to having D. supposedly to having 参考答案:A 答案解析:
你和莎拉今晚为何不能去看电影 ——我们明天要参加数学考试,我必须得做些准备。
[答题点拨] be supposed to do应该,被期望。
第8题: [单项选择]如果某商品是吉芬品,则当其价格上升时,其他条件不变,该商品 ( ) A. 购买增加,因收入效应绝对值大于替代效应绝对值 B. 购买增加,因收入效应绝对值小于替代效应绝对值 C. 购买减少,因收入效应绝对值大于替代效应绝对值 D. 购买减少,因收入效应绝对值小于替代效应绝对值 参考答案:A