[填空题]The flat tax intends to do away with the complicated tax code and tax form in the United States.

[填空题]

• A．Flat Tax
  Income tax is a direct tax which is levied on the income of private individuals．There are various income tax systems that exist．ranging frOm a flat tax to an extensive progressive tax systern．
  A flat tax，also cal led a proportional tax，is a system that taxes．Usual ly the flat tax is proposed to k ick in at a certain income level，or to exempt income below that level，so that the lowest-income members of society don’t need to pay income tax．
  Proposed flat taxes usually allow little or no exemption of earned income besides the bottom-level exemption．
  Advocates of a flat tax claim that it will end unfair discrimination．They also argue that flat taxes are easier(and cheaper)to administer and comply with than complex，graduated taxes．Most political parties that advocate the introduction of a flat tax are on the right of the pol itical spectrum．
• B．Progressive Tax
  A progressive tax，or graduated tax，is a tax that is larger as a percentage o
  

[填空题]The critics of the flat tax system argue that the wealthy people in the United States would be most benefited rather than people with low income.

[填空题]The flat tax was proposed by ______.

[单项选择]

Exchange a glance with someone, then look away. Do you realize that you have made a statement Hold the glance for a second longer, and you have made a different statement. Hold it for 3 seconds, and the meaning has changed again. For every social situation, there is a permissible time that you can hold a person’s gaze without being intimate, rude, or aggressive. If you are on an elevator, what gaze time are you permitted To answer this question, consider what you typically do. You very likely give other passengers a quick glance to size them up and to assure them that you mean no threat. Since being close to another person signals the possibility of interaction. You need to emit a signal telling others you want to be left alone. So you cut off eye contact, what sociologist Erving Goffman (1963) calls "a dimming of the lights. " You look down at the floor, at the indicator lights, or anywhere but into another passenger’s eyes. Should you break the rule agains
A. to look into another passenger’s eyes
B. to avoid eye contact with other passengers
C. to signal you are not a threat to anyone
D. to keep a distance from other passengers

[单项选择]

M: Miss Dermott, let me ask you straight away. Do you think, within a few years, many people could work at home instead of working in offices
W: Oh, yes. It’s happening now. You see, the communication industry has made such progress in the last ten years.

What has made working at home possible（　）.
A. Personal computers.
B. Communication industry.
C. Living far from companies.