单选题Of the three speech acts, linguists are most interested in the ______ because this kind of speech act is identical with the speaker"s intention.

单选题The ratio of the work done by machine______the work done on it is called the efficiency of the machine.

单选题Since most, if not all learning occurs through ______, relating one observation to another, it would be strange indeed if the study of other cultures did not also illuminate the study of our town. A. assumptions B. experiments C. comparisons D. repetitions

单选题EverymorningIgo______schoolbybike.A.theB.forC.toD.

单选题Of the thousands of known volcanoes in the world, the______majority are inactive.

单选题A full-sized tripod is far too ______ to carry around. I find this pocket-sized one is much handier.

单选题Parts of Shakespeare's life continue to remain a mystery because ______. A. writers had no claim over their works B. the Great London Fire burned important documents C. people are not interested D. researchers do not have the expertise to find the facts

单选题Ever since the rise of industrialism, education has been______towards producing workers.

单选题Where would Miran probably go if he could leave the airport?

单选题He is honest. His actions are always ______ his words.

单选题Inthatcountry,studentswillbe_____admittancetotheirclassroomiftheyarenotproperlydressed.

单选题American suffers from an overdose of work. (1) who they are or what they do, they spend (2) time at work than at any time since World WarⅡ. In 1950, the US had fewer working hours than any other (3) country. Today, it (4) every country but Japan, where industrial employees log 2,155 hours a year compared (5) 1,951 in the US and 1,603 (6) West employees. Between 1969 and 1989, employed American (7) an average of 138 hours to their yearly work schedules. The work-week (8) at about 40 hours, but people are working more weeks each year. (9) , paid time off — holidays, vacations, sick leave — (10) 15 percent in the 1990s. As Corporations have (11) stiffer competition and slower growth in productivity, they would (12) employees to work longer. Cost-cutting layoffs in the 1980s (13) the professional and managerial ranks, leaving fewer people to get the job done. In lower-paid occupations, (14) wages have been reduced, workers have added hours (15) overtime or extra jobs to (16) their living standard. The Government estimates that more than seven million people hold a second job. For the first time, large (17) of people say they want to cut (18) on working hours, even if it means earning less money. But most employers are (19) to let them do so. The government which has stepped back from its traditional (20) as a regulator of work time, should take steps to make shorter hours possible.

单选题In the case of mobile phones, change is everything. Recent research indicates that the mobile phone is changing not only our culture, but our very bodies as well. First, let"s talk about culture. The difference between the mobile phone and its parent, the fixed-line phone, is that a mobile number corresponds to a person, while a landline goes to a place. If you call my mobile, you get me. If you call my fixed-line phone, you get whoever answers it. This has several implications. The most common one, however, and perhaps the thing that has changed our culture forever, is the "meeting" influence. People no longer need to make firm plans about when and where to meet. Twenty years ago, a Friday night would need to be arranged in advance. You needed enough time to allow everyone to get from their place of work to the first meeting place. Now, however, a night our can be arranged on the run. It is no longer "see you there at 8", but "text me around 8 and we"ll see where we all are". Texting changes people as well. In their paper, "Insights into the Social and Psychological Effects of SMS Text Messaging", two British researchers distinguished between two types of mobile phone users: the "talkers" and the "texters"—those who prefer voice to text messages and those who prefer text to voice. They found that the mobile phone"s individuality and privacy gave texters the ability to express a whole new outer personality. Texters were likely to report that their family would be surprised if they were to read their texts. This suggests that texting allowed texters to present a self-image that differed from the one familiar to those who knew them well. Another scientist wrote of the changes that mobiles have brought to body language. There are two kinds that people use while speaking on the phone. There is the "speakeasy": the head is held high, in a self-confident way, chatting away. And there is the "spacemaker": these people focus on themselves and keep out other people. Who can blame them? Phone meetings get cancelled or reformed and camera-phones intrude on people"s privacy. So, it is understandable if your mobile makes you nervous. But perhaps you needn"t worry so much. After all, it is good to talk.

单选题John said hed been working in the office for an hour ______ was true． A．that B．who C．which D．what

单选题"Life is like walking in the snow", Granny used to say, because every step_______. "

单选题The lawyer conceded that her statement was true.

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