题目列表(包括答案和解析)
根据汉语完成句子。
Jim 40岁时停止打篮球。
Jim _________ _________ basketball _________ _________ _________ _________ four．
根据汉语，完成句子。
过马路时小心是有必要的。
It is ________ ________ ________ ________ when you ________ ________ ________．
1. (根据)an ancient Chinese legend, the emperor Shen Nong discovered tea.
2. Tea, the most popular drink in the world was invented (偶然).
3. Some leaves from a nearby bush (落入)the water and remained there for some time.
4. He was boiling drinking water (在露天的火上).
5. Mom added salt but it still wasn’t (足够咸).
6. The potato chips were invented (碰巧).
7. The customer was happy (最后).
8. The leaves in the water produced (一阵令人愉悦的气味).
9. I (与其说我喜欢橘子,倒不如说我更喜欢柠檬). I like the sour taste.
10. Later he (打算尝尝)the hot mixture.
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________。
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