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小博士：仔细观察下面的基数词和对应的序数词的区别和变化，你会发现这种变化是有规律的，你能归纳出来吗？请根据规律填出所缺的基数词和序数词，并特别注意黑体字的词。
one | first | eleven | eleventh | twenty-one | twenty-first |
two | second | twelve | twelfth | twenty-two | twenty-second |
three | third | thirteen | thirteenth | twenty-three | twenty-third |
four | fourth | fourteen | fourteenth | twenty-four | ______ |
five | fifth | fifteen | ______ | twenty-five | twenty-fifth |
six | sixth | sixteen | sixteenth | twenty-six | twenty-sixth |
seven | ______ | seventeen | seventeenth | twenty-seven | twenty-seventh |
eight | eighth | eighteen | eighteenth | twenty-eight | twenty-eighth |
nine | ninth | nineteen | nineteenth | twenty-nine | twenty-ninth |
ten | tenth | twenty | twentieth | thirty | thirtieth |
thirty-one | thirty-first fortieth ninetieth | hundred | hundredth | ||
forty | thousand | thousandth | |||
ninety | million | millionth | |||
我找到规律了！请看：
1 英语序数词1～19，除first，second，third等特殊形式外，其余的一般是在相应的基数词后加-th构成。
2 有几个序数词加-th时拼法不规则，要注意。如fifth，________ ________ ________。
3 十位整数的序数词的构成方法是先将其基数词的词尾“ty”中的“y”改为“i”，再加“-eth”。如________。
4 基数词“几十几”变成序数词时，只需将个位数变成序数词，十位数不变。如________。
查看习题详情和答案>>阅读理解填词。
When Mary Smith was a student, she always w 1 to be a teacher, because she loved children．When she was twenty-two years old, she began to t 2 in a small school．She was a good t 3 ．The children liked to c 4 to her class．One day one of the girls in her class s 5 to her,“Miss Smith, why does a man's hair become w 6 before his beard(胡子)？”Mary laughed and a 7 ,“I don't know, but it happened to my father．”The o 8 children laughed when they heard this．
Then one of the boys said,“I know, Miss Smith!Men's hair become white b 9 it's sixteen y 10 older than their beard!”
1．w ________ 2．t ________ 3．t ________ 4．c ________ 5．s ________
6．w ________ 7．a ________ 8．o ________ 9．b ________ 10．y ________
He is sixteen years old．His sister is fourteen．So his sister is y ．
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阅读填词
If you notice a teenage boy singing his way down the street, completely lost h 1 in the beauty of music, it is likely to be Zhou Min.
Aged sixteen, Zhou Min was awarded Best Male Singer in the national finals of the MTV c 2 . He is a middle school student in Beijing. He couldn't b 3 he would win an award. “My l 4 of singing pushed me to enter,” he said.
As a student, he didn't have much spare to p 5 singing. So, he sang during breaks from study on his way home, or to school.
Singing is only a small part of Zhou's colorful life. His other i 6 are ball games and s 7 the Web. He is one of the top students in his class.
Zhou thinks that enjoying hobbies can help with studying. “Singing eases the pressures,” he said. “They can open new windows of opportunity. “S 8 the singing contests, Zhou has learned to be at ease with all kinds of d 9 and c 10 in front of large audiences. “When you do a job with great enthusiasm, sometimes even a hard one, it becomes surprisingly easy and fun.”
1．h 2．c 3．b 4．l 5．p
6．i 7．s 8．S 9．d 10．c
查看习题详情和答案>>根据首字母提示和句意完成单词
1.How about l to the radio?
2.Now,let me show you how to l English.
3.Why don’t you write d your mistakes?
4.I’m going to meet my p friend this term.
5.Can you give me some a ?My English is so poor.
6.I enjoy w English films and l to real English songs.
7.The students should speak English all the t in English class.
8.Many students ask for advice about i their English.
9.Did you enjoy y at the party?
10.Write the words on p of paper and place them in your bedroom.
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