"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 ______.

单项选择题In English Civil War, also called the Puritan Revolution, a famous general _____ defeated the king at Naseby in 1645.