在“探究滑动摩擦力大小与哪些因素有关”的实验中，小红同学用弹簧测力计匀速拉动同一木块在水平放置的长木板上进行甲、乙、丙三次实验（木块各面粗糙程度相同）：_刷题宝

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在“探究滑动摩擦力大小与哪些因素有关”的实验中，小红同学用弹簧测力计匀速拉动同一木块在水平放置的长木板上进行甲、乙、丙三次实验（木块各面粗糙程度相同）：

上一题下一题 0.0难度选择题更新时间:2016-11-30 04:54:23

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. --- Thanks for your help, but can you do me one more favour, please?
--- ____, sir. What’s it then?

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根据短文理解，回答下列问题。

Found

I found a bag in our school library the day before yesterday. The bag is red. Besides a wallet with some money, there is a key and a book.

If you lost your bag, please call me soon. My name is Lily and my phone number is 62043340. You can also find me in Room 117. And my e-mail address is lily202@163.com.

Thursday, May 13,2010

Lost

I lost my 2-pound pet cat this morning. His name is Jackson and he is only 5 months old. He got lost on Scarlet Street. His body is white and his head is black. Please let me know if you have ever seen him. My name is Jane and my phone number is 62043856.

Thanks!

Monday, May10, 2010

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消化道内不含消化酶的消化液是（　　）

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1927年，国民革命运动失败了，导致这场革命运动失败的主要原因是（）

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如果1元人民币可以兑换0.21元新加坡元，则1万元人民币可以兑换2100元新加坡元。（）

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