大学英语三Unit3课本答案

（book3）Unit Three Security – Land of the Lock

Words & Expressions

on the latch: (of a door) closed but not locked

- Let yourself in; the door is on the latch.

- Don’t forget to leave the front door on the latch if you go to bed before I come back.

vulnerable: adj. exposed to danger or attack; unprotected

- Compared with Saudi Arabian soccer team, the Chinese team is more vulnerable.

- 你的论点相当容易受到批评。criticism.)

- How does the country defend vulnerable groups in society?

statistics: n. collection of information expressed in numbers

- roughly every 22 years a major drought occurs in the United States.

- 统计数字显示退休之后女性比男性生活愉快。 women live happier lives than men after retirement.)

era: n. a period of history or a long period of time

- 我们现在正处于一个新的伟大的信息时代。(We are now in a great new era of information.)

hook up to: connect or attach (sth.) to (sth. else) with or as if with a hook

- My computer is hooked up to the Internet, so I can communicate with my students at home via email. - The alarm systems in the banks are hooked up to the local police station.

build in/into: make (sth.) as part of the structure

- The cupboards in the kitchen are all built in.

- We are having those shelves built into the wall over the bed.

pry:

1. vt. force sth. open or away from a surface

- 你能不能帮我不打破这个木箱盖而撬开它?

(=Can you help me pry the cover off this wooden box without breaking it?)

2. vi. look or inquire closely and curiously

- Don’t pry into the affairs of others.

Collocation:

pry about 到处窥探 pry into 窥探，打听

feature:

1. vt. give a prominent part to (sb./sth.)

- 报纸为那个事件做了个专题报道。 (The newspaper featured the story of the event.)

- The play featured two well-known actors. …..由两位明星主演。

2. n. a prominent or distinctive aspect, quality, or characteristic

- The building contained many new features of construction.

Collocation:

a unique feature 独一无二的特征 a key feature 主要特征

a notable feature 显著特征 make a feature of 以…为特色；注重

barrier: n. thing that prevents progress or movement

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