題目列表(包括答案和解析)
小博士:仔細觀察下面的基數詞和對應的序數詞的區別和變化,你會發現這種變化是有規律的,你能歸納出來嗎?請根據規律填出所缺的基數詞和序數詞,并特別注意黑體字的詞。
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 |
我找到規律了!請看:
1 英語序數詞1~19,除first,second,third等特殊形式外,其余的一般是在相應的基數詞后加-th構成。
2 有幾個序數詞加-th時拼法不規則,要注意。如fifth,________ ________ ________。
3 十位整數的序數詞的構成方法是先將其基數詞的詞尾“ty”中的“y”改為“i”,再加“-eth”。如________。
4 基數詞“幾十幾”變成序數詞時,只需將個位數變成序數詞,十位數不變。如________。
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