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第三篇 A Debate on the English Language A measure declaring English the national language is under intense debate in the United States.The US Senate passed two declarations last week.One calls English the nation's official language and the other says it is the “common and unifying(统一的)”tongue.But Americans found themselves divided on the issue. Since people worldwide know that most Americans speak only English,many can't understand why the issue is so controversial(有争议的). “The discussion is related to fears of immigration issues,”says Dick Tucker,a social scientist at Pittsburgh's Carnegie Mellon University.“It's related to a worry about the changing demography(人口统计)of the US.It's a worry about who will continue to have political and economic influence.”报关员考试 In fact,the notion of protecting the language has been kicked around almost since the nation's founding.John Adams lobbied(游说)in 1780 for the creation of a national academy to correct and improve the English language.But his proposal died,since lawmakers saw it as a royalist(主义者)attempt to define personal behavior. Since then,the country hasn't had a national language,but the idea of recognizing the special status of English lived on. The emotions surrounding language resurface(再次浮现)not because people feel comfortable with English.It is more about the discomfort many Americans feel with the new languages,says Walt Wolfram,a professor at North Carolina State University. “Language is never about language,”he says. According to the 2000 US Census Bureau report,of 209 million Americans over 18 years old,172 million speak only English at home.About 37 million speak languages other than English.Among them,6.5 million speak poor English and 3.1 million don't speak English at all. 41.What are the two declarations concerned with?
A.
The status of the English language.
B.
The protection of new languages.
C.
The rights to speak one's mother tongue.
D.
The improvement of the English language.
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【简答题】从刀具的耐用度出发,切削用量的选择方法是:先选择切削深度(),其次是进给量,最后是切削速度。
【判断题】头顶球技术动作结构由移动选位、身体摆动、头接触球和触球后的身体平衡四个环节组成
A.
正确
B.
错误
【单选题】从刀具耐用度出发,切削用量的选择方法是:
A.
先确定背吃刀量或侧吃刀量,再确定进给速度,最后确定切削速度
B.
先确定切削速度,再确定进给速度,最后确定背吃刀量或侧吃刀量
C.
只确定切削速度和进给速度
D.
只确定背吃刀量或侧吃刀量
【单选题】乙醇拭浴时,在足底放置热水袋 的目的是
A.
防止足底冻伤
B.
预防一过性冠状动脉扩张
C.
促进足底血管扩张
D.
预防心率减慢
E.
减轻局部疼痛
【单选题】餐厅不仅通过菜单向就餐者提供信息,进行宣传,而且还可以体现餐厅的形象。这表明了菜单的
A.
促销功能
B.
控制功能
C.
管理功能
D.
服务功能
【单选题】在等价类划分法中
A.
合法和非法输入都要考虑
B.
只考虑非法输入
C.
只考虑合法输入
D.
以上都不是
【简答题】从刀具的耐用度出发,切削用量的选择方法是:先选择 ,其次是 ,最后是 。
【单选题】在等价类划分法中
A.
合法和非法输入都要考虑
B.
只考虑非法输入
C.
以上都不是
D.
只考虑合法输入
【单选题】在等价类划分法中
A.
只考虑合法输入
B.
只考虑非法输入
C.
合法和非法输入都要考虑
D.
以上都不是
【单选题】数控粗铣时,从刀具耐用度出发,切削用量的选择方法是( )。
A.
先选取吃刀量,其次确定进给速度,最后确定切削速度
B.
先选取进给速度,其次确定吃刀量,最后确定切削速度
C.
先选取吃刀量,其次确定切削速度,最后确定进给速度
D.
先选取切削速度,其次确定进给速度,最后确定吃刀量
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