文档中含有该单元全部六套试卷答案。
A) T
B) F
Script: When I was little, the door was never locked even at night so it was unnecessary for me to carry the key.
正确答案： A
2.
A) T
B) F
Script: The glass doors equipped with steel bars aim to make the house more elegant.
正确答案： B
3.
A) T
B) F
Script: The lock symbolizes distrust and fear in today’s American culture.
正确答案： A
4.
A) T
B) F
Script: The application of the access card in the company means a sense of distrust although it can keep strangers away.
正确答案： A
5.
A) T
B) F
Script: Airports are still a good place to bring children education and fun despite their security problems.
正确答案： B
6.
A) T
B) F
Script: The new machine that hooks up to the telephone can not only analyze the caller’s voice but also decide whether he/she is telling lies.