[1] If you don’t have good nutrition(营养), you’re missing a key weapon ,高中一年级,英语试题,序数词考点,好技网

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[1] If you don’t have good nutrition(营养), you’re missing a key weapon against colds. Basics include vegetables and nuts .The following are five surprising foods that can improve immunity(免疫力).
[2] Yogurt. Yogurt, a milk product, contains probiotics(益生菌). These probiotics change the immune system and help reduce the severity of colds. Choose the yogurt that contains live and active probiotics to make sure you’re getting the benefits of the yogurt.
[3] Green tea. A cup of green tea can help cure a sore throat and lift spirits. Green tea can help prevent damage in the body. It may also fight against colds.
[4] Garlic(大蒜). Garlic has received widespread attention for its possibility of disease-prevention and immune-improving functions. In a study, researchers found that people who              regularly were two-thirds less likely to catch a cold. The best way to get garlic’s benefits is eating it without cooking.
[5] Orange-fleshed (有橙色的果肉的) vegetables. Pumpkins, sweet potatoes, and other orange-fleshed vegetables are high in beta carotene (胡萝卜素)，which the body uses to make Vitamin A. A diet low in beta carotene can reduce immunity, so eating vegetables is a great way to ensure your body has the nutrients it needs. Vitamin A is also important in keeping skin healthy.
[6] Oysters(牡蛎). Oysters are definitely not the first thing that comes to mind when a cold or other illness attacks you, but they are a great source of zinc (Zn). Zinc is important in the development of white blood cells. It’s best to get zinc from a balanced diet. In a addition to oysters, beef and chicken are good sources.
小题1:What does the text mainly talk about? ( no more than 8 words)

小题2:What kind of yogurt should people choose according to the second paragraph? ( no more than 8 words)

小题3:List two benefits of green tea. (no more than 10 words)
(1)
(2)
小题4:Fill in the blank in Paragraph 4 with proper words. ( no more than 4 words)

小题5:What does the underlined word “it” in Paragraph 5 probably refer to? ( no more than 2 words)


本题信息：英语完形填空难度一般来源:未知
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本试题 “[1] If you don’t have good nutrition(营养), you’re missing a key weapon against colds. Basics include vegetables and nuts .The following are five s...” 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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