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高中三年级英语

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    第二节:以下是五位专家的建议。请匹配这些建议及对应的生活感想或经验介绍(A、B、C、D、E和F)。选项中有一项是多余选项。请将答案代号(A、B、C、D、E、F)写在答题卷61~65的相应位置上。
    61.        You should watch where your weight accumulates. You can use the waist. to. hip ratio to find if there is too much fat around the middle. Belly fat is especially dangerous because it release free fatty acids directly to the liver, virtually flooding it with fat.
    62.        If a particular food is important to you, eat it, but work it off. You should try to learn the art of compromise.
    63.        At the same time. the three-for-one is relatively simple to use. Fat grams and calories are listed on almost all boxed, canned or packaged foods—you have only to read the label and follow the rule. A five-year-old patient of mine can do this.
    64.        Drinking water is basic, and drinking enough of it is necessary. Patients are sometimes surprised that basic things work when they do them consistently.
    65.          Consume antioxidant foods. They protect the cholesterol C胆固醇), from oxidative damage, which helps prevent damage to blood…vessel walls.
    A. More than nine years ago I was 70 pounds overweight and wore a very big dress. I had tried different diets and lost weight only to gain it back. Finally a simple “three. for. one’’ fat rule worked for me:consuming no more than three grams 0f fat for every 100 calories per serving. Following the rule and eating only foods that contain less than 30 percent fat, I spent eight months getting down to a size seven, and I’ve kept the weight off for nine years.
    B. And for foods that aren’t packaged, you rely on what we already know about them. Red meat, as well as dishes made or served with butter, gravy, cream sauce or cheese, are almost never less than 30 percent fat—so you just don’t eat them. On the other hand, some non-packed foods—all fruits and vegetables。except avocadoes and olives—always pass the test. So do most fish。but not when fried.
    C. I like vegetables, which are rich in vitamins. Most foods containing vitamins C and E(such as sweet potatoes, tomatoes, spinach and broccoli)are low in calories and are known as antioxidants(抗氧化物质). They can help reduce the possibility to develop hardening the arteries(动脉).
    D. I gain weight around the belly—what we call abdominal obesity, the worst kind. The tendency seems to be hereditary(遗传的), and it’s common among men. This problem increases the risk of a stroke or heart attack. A guide I use in estimating belly fat is the waist-to—hip ratio, or WHR. To find yours. divide the circumference(周围)of your waist by the circumference of your hips. Women with ratios above 0. 8 and men with ratios above 1.0 are at increased health risk.
    E. My ways of keeping healthy are very simple, and they are among our everyday activities:eating healthy food and doing exercise. In addition. I manage to do those basic things, such as drinking water, sleeping well and eating less fat. Sometimes I do some of the other things I used to do in my life like walking for half an hour a day.
    F. Although I've put on ten pounds. I'm healthy and in good shape. I eat food that’s good for me…but 1 work off Susan’s homemade brownies(巧克力蛋糕), for example. To offset these extra calories, 1 walk for an hour or more, three times a week…often with Susan. We’re both busy and this is one way we have some quiet time together. Equally important, it permits me to practice dieting’s fine art of compromise.

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本试题 “第二节:以下是五位专家的建议。请匹配这些建议及对应的生活感想或经验介绍(A、B、C、D、E和F)。选项中有一项是多余选项。请将答案代号(A、B、C、D、E、F...” 主要考查您对

序数词

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  • 序数词

序数词的概念:

表示顺序的数称为序数词。如:first, second, third, fourth。


序数词的构成与用法

1、序数词的构成:
①一般来说,是由相应的基数词加词尾th构成。
   例:four+th→fourth
           six+th→sixth
           seven+th→seventh
           ten+th→tenth
②下面这些基数词在变为序数词时,有特殊的变化。
例:one→first
        two→second
        three→third
        five→fifth
        eight→eighth
        nine→ninth
        twelve→twelfth
③十位整数序数词的构成方法是将基数词的词y变成i,然后再加eth。
例:twenty→twentieth
        thirty→thirtieth
        forty→fortieth
        ninety→ninetieth
④两位或两位以上的基数词变成序数词时,仅将个位数变成序数词。
例:twenty-one→twenty-first
        thirty-five→thirty-fifth
        a hundred and fifty-three→a hundred and fifty-third

2、序数词的用法:
①序数词在使用时,一般加上定冠词。
例:the first book
        the second floor
        the third day
        the fourth week.
②序数词在多数情况下都用作定语,有的也可以作表语、主语和宾语。
例:The may1st is Labour Day. 五月一日是劳动节。
        My room is on the second floor. 我的房间在二楼。
        The first is larger than the secon.(主语)第一个比第二个大。
        Read the book from the first.(宾语)从开头读这本书。
        You'll be the sixth to write.(表语)你将是第六个写的。
③序数词的前面可以加上不定冠词,用来表示“再一”,“又一”的意思。
例:You may have a third try. 你可以第三次尝试。


序数词知识体系:

 


约数的表达方法

用tens/dozens/scores/hundreds/thousands/millions of 表示“几十、几百、上千、成千上万”等。
如:The boy bought dozens of pencils.            
        Thousands of people died in the earthquake.
注意: (A):dozen, score, hundred, thousand, million等表示确切数量时,不用复数。
如:five dozen (of) eggs   五打鸡蛋
        hree hundred people  三百个人

分数词的构成和用法:

1)分数词构成法:
分数词(FractionalNumerals)由基数词和序数词构成,基数词代表分子,序数词代表分母。除了分子为1的情况下,序数词都要用复数形式:
如:1/4:one-fourth
        5/9:five-ninths
        2/3:two-thirds
       17/5:three and two-fifths
       7/12:seven-twelfths
       379/8:forty-seven and three-eighths
此外还有下面表示法:
如:1/2:a(one) half
        1/4:a(one) quarter
        3/4:three-quarters
        9/4:two and a quarter
        3/2:one and half
        31/4:seven and three quarters


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