题目内容
小博士：仔细观察下面方框里的句子，你会发现句子中含有比较级的不同形式，请联系这些比较级的原级形式来归纳一下形容词或副词是如何变成相应的比较级形式的合并句子。
1．Ann is taller than Kate.
2．Betty is luckier than Rose.
3．Girls are calmer than boys.
4．Young people are more athletic than the old.
5．Amy is more outgoing than Emma.
6．Maria is more beautiful than Mary.
7．Leo is funnier than Eli.
8．Ben is more intellectual than Mark.
A．Tom is 11 years old B．Bob is 12 years old.
(1)_________________________
A．Tom is good. B．Bob isn't, good.
(2)________________________
A．Tom is fat. B．Bob is thin.
(3)________________________
A．Tom is athletic. B．Bob is not athletic.
(4)________________________
解析：
|
calmer, shorter直接＋er more outgoing, more athletic more beautiful, more intellectual 在单词前加more luckier, happier 把y变为i再加-er 1．Tom is younger than Bob. 2．Tom is better than Bob. 3．Tom is father than Bob. 4．Tom is more athletic than Bob. |
阅读快车系列答案小博士：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________。
