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例1 |
-This is second book I’ve read today. -Are you going to read third one? |
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A. |
a,a |
B. |
a,the |
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C. |
the,a |
D. |
the,the |
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答案: |
C |
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提示: |
序数词前面一般要加the,但在不强调次序,只表达“重复”的概念时,second,third等序数词前面只要加不定冠词。这时他们的含义是“另一”,“再一”。 |
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例2 |
There are six students in our school. |
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A. |
hundreds |
B. |
hundreds of |
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C. |
hundred |
D. |
hundred of |
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答案: |
C |
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提示: |
hundred一词表示百,后面不能加s,如one
hundred,two hundred。如果hundred后面加s,则要与of连用,写成hundreds
of表示“数以百计的、成百上千的”。 |
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例3 |
10月1 El的正确读法是 |
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A. |
October the first |
B. |
October No. one |
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C. |
October one |
D. |
October first one |
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答案: |
A |
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提示: |
对月日的读法英语中月用固定单词,日用序数词与定冠词the连用 |
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例4 |
of them have passed
the exam. |
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A. |
Three quarter |
B. |
Three quarters |
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答案: |
B |
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提示: |
在英语中分数词是以基数词和序数词合成的,基数词代表分子,序数词代表分母,除了分子是“l”的情况外,序数词都要用复数。例如:one-third,two-thirds。 |
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类别 |
说明 |
例词或例句 |
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分数 |
分子用基数词,分母用序数词,分子大于1,分母的序数词用复数。 |
1/2 读作 a (one) half 1/3 读作 a (one) third 1/4 读作a (one) quarter; a (one) fourth 4/5 读作four fifths 4 2/3 读作four and two thirds Two thirds of the surface earth is covered by water. |
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小数 |
小数点读作point。小数后面各数都按个位基数词读;小数点前面仍按基数词读。零读作o/ u/或zero. |
0.7 读作zero ( u) point seven 25.25 读作twenty-five point two five |
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百分比 |
百分比由基数词+percent组成 ( % ) |
2% 读作two percent 44% 读作forty-four percent 100% 读作one hundred percent More than 25 percent of the surface of the ground is covered with grass. 百分之二十五的地面被草复盖着。 |
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倍数 |
(1)
倍数+as+形(副)原级+as (2) 倍数+形(副)比较级+than (3) 倍数+ the size(length)+ of (表示大小或数量的名词) |
as large as This room is three times larger than that one. the size of 注意:上述三个结构的意义是相同的。 汉译表达: “这间房是那间房的三倍大”;“这间房比那间房大两倍” |
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加、减、乘、除四则运算 |
用基数词表示 加号用plus / and 减号用minus 乘号用times 除号用divided by |
9+8=17, 读作 Nine plus (and) eight is seventeen. 11-5=6 , 读作 Eleven minus five is six. 6×5=30, 读作 Six times five is thirty. 35÷7=5, 读作 Thirty-five divided by seven is five. |
第二节 实战演练