Alice______her father that both she and her husband would be happy if he would live with them.
A. convinced
B. required
C. pledged
D. reinforced
查看答案
The main idea of the first paragraph is that______.
A. the generation gap suddenly appeared
B. the generation gap is a feature of American life
C. how people can reduce the generation gap
D. many critics argue over the nature of the generation gap
如果两商品是互补商品，那么消费者的无差异曲线的斜率可以是()。
A. 0
B. 1
C. 2
D. 3
有四个商品束，分别为a、b、c、d，如果有a＞b，b＞c，d＞a，按照偏好的传递性假设，下列()选项一定是不正确的。
A. a＞a
B. a＞c
C. c＞d
D. d＞b
The main purpose of this passage is to______.
A. discuss traveling in other countries
B. distinguish between passports and visas
C. discuss the financial uses of a passport
D. provide information about passports
微信支付 
支付宝支付