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    考查基数词转换成序数词 基数词变为序数词时,一般情况下在基数词之后加-th.例如:four → fourth 但是.特殊的基数词变为序数词可用以下口诀来帮助记忆:一.二.三单独记.八去t,九去e,五和十二记仔细.f来把ve替.ty变成 tie.后面再加th.即:one→first,two→second,three→third,eight →eighth,nine→ninth,five→fifth,twelve→twelfth,twenty→ twentieth,thirty→thirtieth,forty→fortieth,fifty→ fiftieth,sixty→sixtieth,seventy→seventieth,eighty →eightieth,ninety→ninetieth等. 考例1:[2005年镇江市] The lesson is not so easy as the ninth lesson, I think. 分析:所给的词eight为基数词,根据习惯表达“第八课 应用序数词.eight的序数词为 eighth,即应填eighth. 考例2:[2005年扬州市]We will have the celebration for the return of Hong Kong. 分析:(略)应填ninth. 考例3:[2005年泰州市]The students from America live on the floor. 分析:(略)应填ninth. 考例4:[2005年徐州市]Liu Xiang got the (one) in his competition of the 2004Olympic Games. 分析:(略)应填first. 【查看更多】

     

    题目列表(包括答案和解析)

    写出下列基数词对应的序数词。
    1. one ________ 
    5. five _______  
    9. nine _______       		2. two _______  
    6. six _______   
    10. ten _______      		3. three ______
    7. seven ______ 
    11. eleven                  		4. four _______  
    8. eight ______                            
    12. twelve _______

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    按要求写出相应的基数词或序数词。
    1. ten ______ (序数词)         
    3. twenty-five _______ (序数词)
    5. fifty-two _______ (序数词)  
    7. twenty-fifth _____ (基数词) 
    9. sixty-second _____ (基数词)      		2. nine _______(序数词)            
    4. thirty-nine _______(序数词)     
    6. seventeenth _______(基数词)                                             
    8. ninety-ninth ______ (基数词)    
    10. eighty-eighth ______ (基数词) 

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    按照括号内的要求写出下列各词的相应形式。

    1. bed (复数)                                     
    2. careful (副词)                                
    3. speak (过去式)                              
    4. see (过去分词)                              
    5. run (现在分词)                              
    6. seven (序数词)                              
    7. new (反义词)                                
    8. I (反身代词)                                  
    9. interesting (最高级)                        
    10. long (比较级)                               

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    根据要求写出下列单词的相应形式。
    1.careful(名词)             
    2.see(过去分词)             
    3.one(序数词)             
    4.happy(反义词)             
    5.own(名词)             
    6.may(过去式)             
    7. little(比较级)              
    8.worry(形容词)             
    9.policeman(复数形式)             
     10. something(否定形式)             

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    (词形转换)one(序数词)

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