)åæ°åè¯å s: students, apples, bags, trees, books, brothers.�
2)以sãxãshãchç»å°¾çåè¯å es: glasses, boxes, brushes, matches.�
3)以è¾
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5)以oç»å°¾çåè¯ï¼æäºå es: Negroes, heroes, tomatoes, potatoes.å
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6)ä¸è§ååè¯ï¼footâfeet, gooseâgeese, toothâteeth, childâchildren, manâme n, womanâwomen, sheepâsheep, deerâdeer, mouseâmice.
7)æäºå¤æ¥è¯åå¤æ°ï¼datumâdata, mediumâmedia, bacteriumâbacteria, curriculumâcurricula, criterionâcriteria, phenomenonâphenomena. (�um/�onâa)�analysisâanalyses, basisâbases, crisisâcrises, diagnosisâdiagnoses.(�isâes )�
8)å¤ååè¯åå¤æ°ï¼ä»¥ä¸å¯æ°åè¯ç»å°¾çå¤ååè¯æ å¤æ°å½¢å¼ï¼å¦ï¼homework.�
以manæwoman为åç¼çå¤ååè¯åå¤æ°ï¼åå两个åè¯é½åå¤æ°ï¼å¦ï¼manservantâmenservants, woman student women students.�
å
¶å®å¤ååè¯åå¤æ°ï¼grown�upâgrown�ups, brother�in�lawâbrothers�in�law, stand�byâstands�by.�
9)å¤å形容è¯åå®è¯æ¶ï¼å
¶ä¸çåè¯ä¿æåæ°ï¼a six�year�old boyï¼a two�hundred�page book
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è±è¯ä¸åè¯å¯å为å¯æ°åè¯åä¸å¯æ°åè¯ãå¯æ°åè¯å¨åºç¨æ¶æåæ°åå¤æ°å½¢å¼ã表示ä¸ä¸ªç¨åæ°ï¼è¡¨ç¤ºä¸¤ä¸ªæ两个以ä¸ç¨å¤æ°ãå¤æ°åè¯çææå为è§ååååä¸è§åååã
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1) ä¸è¬å¨åè¯è¯å°¾å sï¼
â mapâmapså°å¾ï¼birdâbirdsé¸ï¼
orangeâoranges æ¡åï¼
bikeâbikesèªè¡è½¦ï¼
2) 以s, x, ch, shç»å°¾çåè¯å esï¼
â boxâboxesçåï¼classâclassesç级ï¼watchâwatchesæè¡¨ï¼ dish-dishesçï¼ç¢åï¼é¤å
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3) 以Oç»å°¾çåè¯åé¢å sæes
â photoâphotosç¸ç radioâradiosæ¶é³æº zooâzooså¨ç©å
tomatoâtomatoesè¥¿çº¢æ¿ potatoâpotatoesåè±
4) 以è¾
é³åæ¯å yç»å°¾çåè¯ï¼åy为i+es
â babyâbabieså©´å¿ familyâfamilies家åºï¼
以å
é³åæ¯å yç»å°¾çåè¯ç´æ¥å s
â boyâboysç·å© toyâtoys ç©å
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5) 以feæfç»å°¾çåè¯ï¼æfeæfå为ves
â knifeâkniveså°å
wifeâwives妻å
leafâleavesæ å¶ã
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1ï¼child---children foot---feet tooth---teeth
mouse---mice man---men woman---women
注æï¼ä¸ man å womanææçåæè¯ï¼å
¶å¤æ°å½¢å¼ä¹æ¯ -men å-womenã
å¦ï¼ an Englishmanï¼two Englishmen. ä½Germanä¸æ¯åæè¯ï¼æ
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2ï¼åå¤åå½¢ å¦ï¼
deerï¼sheepï¼fishï¼Chineseï¼Japanese
liï¼jinï¼yuanï¼two liï¼three muï¼four jin
ä½é¤äººæ°å¸å
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ãè±éãæ³éçé½æå¤æ°å½¢å¼ãå¦:
a dollar, two dollars; a meter, two meters
3ï¼éä½åè¯ï¼ä»¥åæ°å½¢å¼åºç°ï¼ä½å®ä¸ºå¤æ°ã
å¦ï¼ people police cattle çæ¬èº«å°±æ¯å¤æ°ï¼ä¸è½è¯´ a peopleï¼a policeï¼a cattleï¼ä½å¯ä»¥è¯´
a personï¼a policemanï¼a head of cattle,the Englishï¼the Britishï¼the Frenchï¼the Chineseï¼the Japaneseï¼the Swiss çåè¯ï¼è¡¨ç¤ºå½æ°æ»ç§°æ¶ï¼ä½å¤æ°ç¨ã
å¦ï¼ The Chinese are industries and brave. ä¸å½äººæ°æ¯å¤å³åæ¢çã
4ï¼ä»¥sç»å°¾ï¼ä»ä¸ºåæ°çåè¯ï¼å¦ï¼
a. mathsï¼politicsï¼physicsçå¦ç§åè¯ï¼ä¸ºä¸å¯æ°åè¯ï¼æ¯åæ°ã
b. news æ¯ä¸å¯æ°åè¯ã
c. the United Statesï¼the United Nations åºè§ä¸ºåæ°ã
The United Nations was organized in 1945. èåå½æ¯1945å¹´ç»å»ºèµ·æ¥ç.
d. 以å¤æ°å½¢å¼åºç°ç书åï¼å§åï¼æ¥çº¸ï¼æå¿åï¼ä¹å¯è§ä¸ºåæ°ã
"The Arabian Nights" is a very interesting story-book.
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5) 表示ç±ä¸¤é¨åææçä¸è¥¿ï¼å¦ï¼glasses (ç¼é) trousers, clothes
è¥è¡¨è¾¾å
·ä½æ°ç®ï¼è¦åå©æ°éè¯ pair(对ï¼å); suit(å¥); a pair of glasses; two pairs of trousers
6ï¼ å¦å¤è¿æä¸äºåè¯ï¼å
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