题目内容
17．--_____ you _____ your lost bag pack？--Not yet．So I have to buy a new one．（ ）
| A． | Did； find | B． | Have； found | ||
| C． | Are； looking for | D． | Had； found |
分析 --你找回你丢失的背包了吗？
--还没有，所以我必须去买一个新的．
解答 答案：B．
根据语境判断句意是"--你找回你丢失的背包了吗？--还没有，所以我必须去买一个新的．"，此处强调对现在的影响，所以用现在完成时．现在完成时的构成是：主语+have/has+动词的过去分词； 故答案为B．
点评 本题考查了动词的时态．做题时，一定要特别关注有关的时间短语，这是判断句子时态的标志．在没有时间状语的情况下可以联系上下文根据语境来做出正确判断．
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Choose the best topic from A to F according to the meaning of the passage．
61．Almost every day，we discuss the topic of health，particularly for kids．"Health"means eating well，getting enough exercise，and having a healthy weight．
62．We all know that eating fruits and vegetables can help us stay healthy，but many of us only eat our favorite food．Remember that we can only get the nutrition（营养）we need by eating different kinds of foods．Fruits and vegetables are the most important．
63．Everyone knows that water is important．Besides that，kids need plenty of calcium（钙）to grow strong bones，and milk has a lot of it．Every day，you should drink at least three cups of milk．
64．When you're eating，notice how your body feels．When your stomach feels comfortably full，stop eating．Eating too much makes you feel uncomfortable．If you do it too often，it can make you unhealthy and fat．
65．Strong，healthy teeth help you chew food that help you grow．They help you speak clearly．And they help you look better．
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