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【单选题】
观察下列图形：若图形（1）中阴影部分的面积为1，图形（2）中阴影部分的面积为 ，图形（3）中阴影部分的面积为 ，图形（4）中阴影部分的面积为 ，…，则第 个图形中阴影部分的面积用字母表示为【▲】A.
B.
C.
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【简答题】No matter how far our friends or relatives may be living, it takes just a few seconds to send an email and the response is surprisingly fast.
【简答题】The power of gratitude takes just a few minutes a day. But it requires consistency and an open mind — and dedication. __________
【简答题】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项. It takes just a quick look，maybe three seconds，for someone to value you when you meet for the first time．In this short time，the other person forms an opinion ...
【简答题】It takes just a few seconds for this machine to ______ your unique fingerprint and log into your account.
【单选题】Try the new cleaner. Just a few minutes every day－that’s all it takes－_________ you could have shining floors and furniture.
A.
but
B.
and
C.
or
D.
so
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