許多科學家在物理學發(fā)展過程中作出了重要的貢獻,下列敘述中符合物理學史實的是
A.牛頓提出了萬有引力定律,并通過實驗測出了萬有引力常量
B.奧斯特發(fā)現(xiàn)了電流的磁效應,總結出了電磁感應定律
C.庫侖在前人研究的基礎上,通過扭秤實驗研究得出了庫侖定律
D.哥白尼提出了日心說并發(fā)現(xiàn)了行星沿橢圓軌道運行的規(guī)律
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科目:初中英語 來源: 題型:

在物理學發(fā)展的過程中,許多物理學家的科學發(fā)現(xiàn)推動了人類歷史的進步。以下敘述中,正確的說法是
A.哥白尼創(chuàng)立地心說
B.相對論的創(chuàng)立表明經(jīng)典物理學已不再適用
C.卡文迪許建立了行星運動定律
D.牛頓總結出牛頓運動定律和萬有引力定律,建立完整的經(jīng)典力學體系

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科目:初中英語 來源: 題型:閱讀理解

“Wanted: Violin. Can’t pay much. Call…”
That advertisement in the newspaper made me remember my childhood. I, too, had wanted a violin, but we didn’t have the money. Even though times were   16 , I couldn’t wait any longer to ask. “Daddy, may I have a violin of   17 ?” Daddy’s face looked   18 . But a few weeks later, Daddy went home, with a case in his hand,   19 ,“Mary, I found this secondhand violin for seven dollars.”
The day when I carried my violin to school for my first lesson , no one could know how   20  I was. I practiced, joined the school orchestra(管弦樂隊), gave performances……Several years seemed to run even quickly and I found myself in the first violin chair. More years   21 , and my violin made every move with me, until one day, I carefully   22  it away.
Now here   23  this want advertisement, I discovered the case deep in my closet(儲藏室). I put it on the table. Then I picked up the   24 , walked to the telephone and called by the   25 .
Later in the day, a man of about 30 knocked at the door. “I’ve been expecting someone would  26  my advertisement. My daughter wants a violin so  27 ,”he said, examining my violin. “How much are you asking?”
I said, “Seven dollars.” “Are you sure?” he asked,   28  he did not believe his ears. “Seven dollars.” I   29  and then added,” I hope your little girl will enjoy it   30  I did.”
I smiled, but I found my tears(眼淚) rolling down my face.
【小題1】
A.easyB.hardC.lateD.long
【小題2】
A.myB.mineC.myselfD.me
【小題3】
A.a(chǎn)ngryB.happyC.sadD.funny
【小題4】
A.a(chǎn)nsweringB.sayingC.a(chǎn)skingD.telling
【小題5】
A.surprisedB.excitedC.interestedD.embarrassed
【小題6】
A.pastB.was passedC.passingD.passed
【小題7】
A.carriedB.putC.tookD.threw
【小題8】
A.a(chǎn)boutB.byC.inD.for
【小題9】
A.a(chǎn)dvertisementB.violinC.caseD.newspaper
【小題10】
A.dateB.nameC.numberD.a(chǎn)ddress
【小題11】
A.offerB.a(chǎn)nswerC.receiveD.find
【小題12】
A.badlyB.easilyC.quicklyD.luckily
【小題13】
A.thoughB.whenC.a(chǎn)s ifD.until
【小題14】
A.repeatedB.continuedC.remindedD.suggested
【小題15】
A.whichB.whenC.whatD.a(chǎn)s

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Jin  Yong is  one of the greatest  and  oldest _________ writers. He is still_________.
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As soon as the man walked into the room ~
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There are so many kinds of Mp3 in the shop. We can’t decide ________ .
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