单选题No sooner ______ gone out than it started to snow. A) he had C) have he B) he have D) had he

单选题 BConversation 2Questions 8 to 10 are based on the following conversation./B

单选题Which of the following is a proper title for the passage?[A] Microcomputers in the United States[B] The Development of Computerized information System[C] Computers in Management

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单选题The medicine has many functions, ______ are unknown to us. A) some of which C) that some of them B) of which some of them D) which of them

单选题His mother told me that he ______ read quite well at the age of five.

单选题The problem will be fully discussed at the meeting ______the next day. A. hold B. homing C. to be held D. held

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单选题They failed in the match ______ carelessness. A) with C) of B) by D) through

单选题The experiment was ______ than we had expected. A. more B. much more C. much D. more much

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单选题We must try our best to protect some of the ______ cultural treasures. A. rare B. precious C. valuable D. worthy

单选题People who own dogs often remark on what good company they are and what fun they have together.A) 拥有狗的那些人经常评论说狗是多么好的朋友，和它们一起有很多乐趣。B) 养狗的那些人经常说他们的狗是多么好的伙伴，同它们玩多么有趣。C) 有狗的人常谈论他们的狗是他们的好伙伴，和狗在一起他们很开心。D) 养狗的人常说狗是他们的好朋友，同它们玩很有趣。

单选题{{B}}Passage 3{{/B}} Although the United States has been shaped by continual waves of immigrants, Americans have often viewed immigration as a problem. Established Americans often look down on new immigrants. Despite such tensions, economic needs have always forced Americans to seek immigrants as laborers and settlers, and economic opportunities have appealed to foreigners. The vast majority of immigrants to the United States have come in search of jobs and the chance to create a better life for themselves and their families.In all of American history, less than 10 percent of immigrants have come for political or religious reasons. Economic immigrants from Europe, Asia, and Latin America have come to the United States voluntarily. Others, most African Americans, were involuntarily transported to North America to do forced labor or to be sold as slaves. Regardless of the reasons they come to the United States, new immigrants typically work in labor-intensive, low-paying, and dangerous jobs--occupations that most other Americans avoid. Although immigrants are expected to absorb the beliefs and standards of the dominant society, most immigrant groups try to maintain their own cultural tradition, language, and religious practices. Some groups, such as the Huguenots (French Protestants) who immigrated during the colonial period, assimilated (同化)within one or two generations. Others, such as the German and Irish immigrants of the 19th century, still maintain some aspects of their traditional cultures. Traditionally the United States has been described as a melting pot, a place where the previous identities of each immigrant group are melted down to create an integrated, uniform society.

单选题The father suggested that Mary ______ the bed because they wanted to sleep now.A) makesB) makeC) has to makeD) will make

单选题Mary has got a furl mark in the test. She ______ very hard all the time. A. will work B. must have worked C. may work D. could have worked

单选题Social change is more likely to occur in societies where there is a mixture of different kinds of people than in societies where people are similar in many ways. The simple reason for this is that there are more different ways of looking at things present in the first kind of society. There are more ideas, more disagreements in interest, and more groups and organizations with different beliefs. In addition, there is usually a greater worldly interest and greater tolerance in mixed societies. All these factors tend to promote social change by opening more areas of life to decision. In a society where people are quite similar in many ways, there are fewer occasions for people to see the need or the opportunity for change because everything seems to be the same. And although conditions may not be satisfactory, they are at least customary and undisputed. Within a society, social change is also likely to occur more frequently and more readily in the material aspects of the culture than in the nonmaterial, for example, in technology rather than in values; in what has been learned later in life rather than what was learned early; in the less basic and less emotional aspects of society than in their opposites; in the simple elements rather than in the complex ones; in form rather than in substance; and in elements that are acceptable to the culture rather than in strange elements. Furthermore, social change is easier if it is gradual. For example, it comes more readily in human relations on a continuous scale rather than one with sharp dichotomies (一分为二). This is one reason why change has not come more quickly to Black Americans as compared to other American minorities, because of the sharp difference in appearance between them and their white counterparts.

单选题I ______ you that if you finish your work, I will let you go.

单选题The two companies haven't ______ the price of the new product. A) agreed to C) agreed with B) agreed on D) agreed in