The U. S. Constitution requires that the president should be a _______ year-old native born American citizen, living in the States for 14 years.

单项选择题Underprivileged people is often used by the mass media as a substitute for poor people . Linguistimlly, the former is referred to as a(n) ______.

单项选择题In the United Kingdom, police officers are not allowed to join _________ or to go on strike.

单项选择题Since 1971 the Canadian government has adopted policy of ______, recognizing that cultural pluralism with- in a bilingual framework is the essence of the Canadian identity.

单项选择题_____ is considered to be the best-known English dramatist since Shakespeare, and his representative works are plays inspired by social criticism.

单项选择题In the word unpredictable , pre- is a ______.