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    　 These continual _____ in temperature make it impossible to decide what to wear.

    　　A. alterations  B. vibrations C. waves   D. fluctuations

    D


    解析:

    fluctuations波动；waves波浪；alterations(部分)改变，变更；vibrations(物理学上)振动。

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    科目：高中英语 来源：四川省成都外国语学校2011－2012学年高一上学期期中考试英语试题 题型：050

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    Convenience Foods

    　　Instead of buying only fresh foods, Americans nowadays buy many more convenience foods．These are foods which are ready partly or completely prepared．Many of them are frozen, such as frozen dinner, heated-serve French fries, and frozen pizzas．There are also many canned convenience foods, such as ready-made spaghetti, soups, stews, and vegetables．

    　　Convenience foods save time and trouble．They are popular with people who are busy or who don' t like to cook or wash dishes．But they often cost more than fresh, unprepared foods and may contain man-made additives．Also, many people feel they don't taste as good as home-cooked foods．

    Health Food and Co-ops

    　　In the 1960s, a "back-to-the-earth" movement was started by young people in the United States．The movement was a reaction against the harmful effects of technology．From the movement came a new understanding of food and health．Many people now prefer natural and Organic(有机物)foods to the prepared foods sold in health food stores and in food co-ops, which are small stores where customers help manage the store．In co-ops, food is usually not packaged．Customers bring their own bags and jars and take their food out of boxes or baskets．

    The Diet Craze(节食热)

    　　These days Americans are more and more concerned with their weight．Perhaps as many as 70 million Americans are on weight-dollar business．

    　　American supermarkets sell a variety of diet foods such as diet soft drinks, diet candy, and diet salad dressings．Dieters also spend money on diet pills, exercise machines, and jogging suits(健美服)．Each year dozens of new diets are popularized．They have such names as the Miracle(奇效的)Diet, the Nine-day Wonder Diet, and the East 24-hour Diet．There is even one called the Ice Cream Diet, which advises dieters to eat only ice cream for lunch and dinner! For dieters who cannot lose weight on their own, there are many well-organized diet groups, which offer help and encouragement．

    (1)

    Generally speaking, convenience foods in America ________

    [　　]

    A．

    are shipped from foreign countries

    B．

    are made by farmers on farms

    C．

    are popular with some people

    D．

    are better than fresh ones

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    [　　]

    A．

    the diet craze in the US is unnecessary

    B．

    rich American people should offer their money to the poor

    C．

    businessmen are getting much money from the diet craze

    D．

    fat Americans are too foolish to take too much food

    (3)

    What's the writer's opinion on American diets?

    [　　]

    A．

    They are all effective to people．

    B．

    They are of no effect to people．

    C．

    The Ice Cream Diet is the best．

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    Not all of them are believable．

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    　　Sometimes people come into your life and you know right away that they were meant to be there, to serve some sort of 　　1　　, teach you a lesson, or to help you figure out who you are or who you want to become．You 　　2　　 know who these people maybe(possibly your roommate, neighbor, co-worker, long lost friend, lover, or even a complete stranger), but when you lock eyes with them, you know at that very moment they will affect your life in some 　　3　　 way．

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