2.敲鼓時(shí),灑在鼓面撒謊能夠的紙屑會跳動(dòng),將發(fā)生的音叉接觸水面,能濺起水花,揚(yáng)聲器發(fā)生時(shí)紙盆會震動(dòng),根據(jù)上述現(xiàn)象可歸納出的結(jié)論是【 發(fā)聲的物體一定在振動(dòng) 】.
3.人游泳時(shí),會引起水的 【 振動(dòng) 】而發(fā)生,魚會嚇跑,這主要是因?yàn)椤?水 】能傳播聲音.
4.同學(xué)能聽到老師講課的聲音是靠【 空氣 】這種介質(zhì)會傳播,即使門窗都是緊閉的我們也能聽到隔壁班級的聲音,是因?yàn)槁曇粼凇?固體 】中也能傳播.
They are thinking about how they can tall her the truth.同義句 They are think
They are thinking about how they can tall her the truth.同義句 They are think
1.They are thinking about how they can tall her the truth.同義句
They are thinking about【 】【 】【 】the truth.
2.敲鼓時(shí),灑在鼓面撒謊能夠的紙屑會跳動(dòng),將發(fā)生的音叉接觸水面,能濺起水花,揚(yáng)聲器發(fā)生時(shí)紙盆會震動(dòng),根據(jù)上述現(xiàn)象可歸納出的結(jié)論是【 】.
3.人游泳時(shí),會引起水的 【 】而發(fā)生,與會嚇跑,這主要是因?yàn)椤?】能傳播聲音.
4.同學(xué)能聽到老師講課的聲音是靠【 】這種介質(zhì)會傳播,即使門窗都是緊閉的我們也能聽到隔壁班級的聲音,是因?yàn)槁曇粼凇?】中也能傳播.
1.They are thinking about how they can tall her the truth.同義句
They are thinking about【 】【 】【 】the truth.
2.敲鼓時(shí),灑在鼓面撒謊能夠的紙屑會跳動(dòng),將發(fā)生的音叉接觸水面,能濺起水花,揚(yáng)聲器發(fā)生時(shí)紙盆會震動(dòng),根據(jù)上述現(xiàn)象可歸納出的結(jié)論是【 】.
3.人游泳時(shí),會引起水的 【 】而發(fā)生,與會嚇跑,這主要是因?yàn)椤?】能傳播聲音.
4.同學(xué)能聽到老師講課的聲音是靠【 】這種介質(zhì)會傳播,即使門窗都是緊閉的我們也能聽到隔壁班級的聲音,是因?yàn)槁曇粼凇?】中也能傳播.
其他人氣:703 ℃時(shí)間:2019-11-17 23:07:44
優(yōu)質(zhì)解答
我來回答
類似推薦
- They are thinking about _______ the poor children.A. help B. to help C. helping D. helps
- They are ______(thinking over \thinking about )a removal.(二選一)
- 他們正在考慮這個(gè)報(bào)告是否值得聽.They are thinking about whether the talk_____ ____ _____ ______.
- 改錯(cuò):1·They are thinking about to go Paris for their vacation
- people often think they can teii about.的翻譯
- 一道電能表計(jì)算
- 電磁打點(diǎn)計(jì)時(shí)器和電火花打點(diǎn)計(jì)時(shí)器哪個(gè)誤差大?為什么?
- 簡要說明西歐莊園經(jīng)濟(jì)的特點(diǎn)?
- 2,3,4,5,6,7,8,9這些數(shù)用加,減號怎樣能=10.(負(fù)數(shù)也算)
- 當(dāng)氫氣球飛到天上會怎么樣?
- 鋼筋符號讀法
- for him,it would be a __________to be able to have a day off work.A good B Luxury
猜你喜歡
- 1二次函數(shù)公式 頂點(diǎn)式和一般式的對稱軸,頂點(diǎn)坐標(biāo),X和Y的關(guān)系,最大值
- 2溫室效應(yīng)的產(chǎn)生與影響 研究目的
- 3以'"驚喜"為話題的優(yōu)秀作文
- 4造成空氣污染的有害物質(zhì)可分為( )和( )兩大類,目前計(jì)入空氣污染指數(shù)的項(xiàng)目暫定為( )( )( )
- 5Nor的用法
- 6化學(xué)肥料主要有______,______,______三大類.含氮量最高的化肥是______,復(fù)合肥料是______(填化學(xué)式).
- 7已知a2+2ab+b2-4(a+b-1)=0,求a+b-3的值.
- 8電位和電壓有什么異同?
- 91、2位和3、4位是反義詞的成語
- 10大道之行也中是謂大同中大同的今義
- 11Fe與稀硝酸反應(yīng)分哪兩種情況?
- 12平衡計(jì)分卡的指標(biāo)體系是什么?