文档中含有该单元全部六套试卷答案。
Directions: In this section, there is a passage with several blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. You may not use any of the words in the bank more than once.
Suburbs and country areas are, in many ways, even more 21 than well-patroled urban streets. Statistics show the crime rate rising more dramatically in those 22 tranquil areas than in cities. 23 , the era of leaving the front door on the latch is over.
It has been 24 by dead-bolt locks, security chains, electronic alarm systems and trip wires hooked up to a police station or 25 guard firm. Many suburban families have sliding glass doors on their patios, with steel bars elegantly 26 so no one can pry the doors open.
It is not uncommon, in the most pleasant of homes, to see 27 on the windows small notices 28 that the premises are under surveillance by this security force or that guard company.
The lock is the new 29 of America. Indeed, a recent public-service advertisement by a large insurance company featured not charts showing how much at risk we are, but a picture of a child’s bicycle with the now-usual padlock 30 to it.
A) private B) built in C) symbol D) posted
E) announcing F) detached G) pasted H) attached
I) personal J) invulnerableK) allegedly L) vulnerable
M) replaced N) In no case O) At any rate
21. ______________________
正确答案： L
22. ______________________
正确答案： K
23. ______________________
正确答案： O
24. ______________________
正确答案： M
25. ______________________
正确答案： A