3. Why do products have short lifespan nowadays？
A)They are more often replaced with better ones.
B)They have worse quality.
C)They have too many versions.
D) Computer technology advances too fast.
4.How does migration differ from the past？
A)People now migrate across the whole earth.
B)People now migrate for better life.
C)People now have more choice about where to migrate.
D)People now migrate for better environment.
5. Which is the best summary of the writer’s attitude towards choice in a commercial society？
A) More choice，more anxiety.
B)Better more choice than no choice.
C)Better no choice than more choice.
D) All choice is not easy.
答案与题解：
1. B根据文章第一句话，这两种选择都是权利，所以A不对，选项C本身没错但文中丝毫未提及，选项D有可能发生，但不是绝对的。选项B符合But sometimes selecting one option as opposed to another can have serious or lifelong repercussions的意思。
2. D第二段第三句提到了A、B、C三个选项，只有D没提到，这正是本题答案。
3. A第三段都是在讲商家为了销售更多的商品，不断推出新产品，老百姓不知不觉更换地更勤，所以一个商品的使用寿命就更短了。
4. C其它三个选项都不是新的特点，最后一段第三句话都有涉及。
5. A整篇文章都是在论述现代商品社会人们虽然选择更多了，但焦虑感也多了。其它三个选项文中都有提及，但不能代表作者整体的态度。