单选题______, the firm has violated the regulation. But is the regulation what it should be?

单选题Oil can change a society more ______ than anyone could ever have imagined.

单选题______the food and medicines, many people would have died in the famine.

单选题Conversation becomes weaker in a society that spends so much time listening and being talked to ______ it has all but lost the will and the skill to speak for itself.

单选题I regret______you that I cannot go to Hainan for a visit next Sunday with you, because I"ve caught a bad cold.

单选题The property of voicing plays an important part in distinguishing obstruents in English. It is, therefore, a ______feature for English obstruents.

单选题The views of Ravitch and Emerson on schooling are ______.

单选题In today"s grammar we normally say that English does not have a " future tense". This is because in English ______.

单选题Why are you still smoking? You______.

单选题Free morpheme may constitute words by themselves.（大连外国语学院2008研)

单选题According to Lakoff and Johnson, " His greediness began to balloon quickly" represents a(an)______.

单选题When we encounter more difficulties, we should be more spirited, and we should be more courageous______.

单选题The Puritans were originally an extreme______sect.

单选题Idioms are products of______of language.

单选题Which of the following are gradable antonyms?

单选题In proportion as the ______ between classes within the nation disappears the hostility of one nation to another will come to an end.

单选题If lecture classes A were restricted to junior and senior undergraduates and to graduate students, B who are less need of scholarly nurturing and C more able to prepare work on their own, they would be D far less destructive of students" interests and enthusiasms than the present system.

单选题As everyone understands, struggling______ economies must find a way to boost their net exports.

单选题A syllable can be divided into two parts, the NUCLEUS and the CODA.(大连外国语学院2008研)

单选题Choose one of the four answers marked A, B, C, and D to complete the article. Write your answer on the ANSWER SHEET. Be sure that the number of the answers is in agreement with the number of the blanks. It is well known that teenage boys tend to do better【C1】______math than girls, that male high school students are more likely than their female counterparts【C2】______advanced math courses like calculus, that virtually all the great mathematicians【C3】______men. Are women bom with【C4】______mathematical ability? Or does society"s sexism slow their progress? In 1980 two Johns Hopkins University researchers tried【C5】______the eternal nature/ nurture debate. Julian Stanley and Camilla Benhow【C6】______10,000 talented seventh-and eighth-graders between 1972 and 1979. Using the Scholastic Aptitude Test in which math questions【C7】______to measure ability rather than knowledge, they discovered【C8】______sex differences. 【C9】______the verbal abilities of the males and females【C10】______differed, 【C11】______girls scored over 500(on a scale of 200 to 800) 【C12】______mathematical ability; at the 700 level, the ratio was 14 to 1. The conclusion: males have【C13】______superior mathematical reasoning ability. Benhow and Stanley"s findings, 【C14】______are published in Science, disturbed some men and【C15】______women. Now there is【C16】______for those people in a new study from the University of Chicago that suggests math【C17】______not, after all, a natural male domain. Prof. Zalman Usiskin studied 1, 366 tenth-graders. They were selected from【C18】______classes and tested on their ability to solve geometry proofs, a subject requiring【C19】______abstract reasoning and spatial ability. The conclusion【C20】______by Usiskin: there are no sex differences in math ability.