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______ exciting news it is!
A.WhatB.What anC.HowD.How an

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I am too busy to listen to her ______ talking. She has talked for about two hours.
A.hopelessB.endlessC.harmlessD.careless

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如圖所示,在虛線AB的左側(cè)固定著一個(gè)半徑R=0.2m的1/4光滑絕緣豎直軌道,軌道末端水平,下端距地面高H=5m,虛線AB右側(cè)存在水平向右的勻強(qiáng)電場(chǎng),場(chǎng)強(qiáng)E=2×103 V/m。有一帶負(fù)電的小球從軌道最高點(diǎn)由靜止滑下,最終落在水平地面上,已知小球的質(zhì)量m=2g,帶電量q=1×10-6 C,小球在運(yùn)動(dòng)中電量保持不變,不計(jì)空氣阻力(取g=10m/s2

求:(1)小球落地的位置離虛線AB的距離;
(2)小球落地時(shí)的速度。

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---Have you read today's morning paper?
---Not _______. What's the latest news?
A.onlyB.yetC.everD.just

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---Is that Sandy speaking?
---Sorry, she isn’t in now. She ______the cinema with her aunt.
A.has been to B.has been inC.has gone toD.has gone in

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---Tom, why not stop ________ a rest?
--- Oh, no, Mum. It’s so exciting that I can’t stop _______ the kite.
A.having; flyingB.to have; to flyC.having; to flyD.to have; flying

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---Where did you get the book?
---From the library. And I have _______it for two weeks.
A.borrowedB.lentC.keptD.bought

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下面劃線詞語(yǔ)中字音字形有錯(cuò)誤的一項(xiàng)是(     )(3分)
A.狼(jí)心無(wú)旁(wù)B.芥(dì)睡眼(xīnɡ)忪
C.危(bīng)重(luán)疊障D.。▃ì)(chí)名中外

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The weather in Hong Kong is quite different from __________ in Beijing.
A.itB.themC.thatD.those

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---How amazing the noodle is!
---Yes, it is ________, and breaks the Guinness World Record as the longest handmade noodle.
A.1704-meter-longB.1704-meters-long
C.1704 meter longD.1704 meters long

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