如图所示,线圈内有理想边界的磁场,当磁场均匀增加时,有一带电微粒静止于平行板(两

题型:填空题

问题:

如图所示,线圈内有理想边界的磁场,当磁场均匀增加时,有一带电微粒静止于平行板(两板水平放置)电容器中间,则此粒子带__________电,若线圈的匝数为n,平行板电容器的板间距离为d,粒子质量为m,带电量为q,则磁感应强度的变化率为___________。(设线圈的面积为s)

考点:右手定则法拉第电磁感应定律
题型:填空题

24.The Dragon Boat Festival had its____as an event in memory of Qu Yuan, a great poet in China.

A.reason

B.explanation

C.origin

D.Resource

题型:填空题

按要求写句子。   

1.夸父倒了下来。   

      改为比喻句:                                                                                             

2.树上结满了果子。

      扩句:                                                                                                         

题型:填空题
阅读下面短文,掌握其大意,然后从所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。
A daughter        to her father about her life and how things were so hard for her. She did not know whether she was going to make it and wanted to give up. She was        fighting and struggling. It seemed that if one problem was solved a new one       .
Her father, a cook, took her to the       . He filled three pots with water and placed each on a high fire. Soon the pots came to a        In one he placed       , in the second eggs, and in the last ground(磨成粉的)coffee beans. He let them sit and boil, without saying a word.
The daughter sucked her teeth and impatiently waited,        what he was doing. In about twenty minutes he        the burners. He        the carrots and eggs out and placed them in a bowl! Then he        the coffee into a cup. Turning to her, he asked, "Darling, what do you see?"
"Carrots, eggs and coffee," she replied.
He brought her closer and asked her to        the carrots. She did and noted that they were soft. He then asked her to take an egg and break it After pulling off the       , she observed the hard-boiled egg. Finally, he asked her to sip(啜饮)the coffee. She smiled as she        its rich aroma(芳香).
"What does it mean, Father?" she asked.
He        that each of them had        the same adversity(厄运), boiling water, but each reacted       . The carrot went in strong, hard, and unrelenting, but after being subjected to the boiling water, it        and became weak. The egg had been       , with its thin outer shell protecting its liquid inside, but after sitting through the boiling water, its inside hardened. The ground coffee beans were unique. After they were in the boiling water, they had        the water.
"Which are you?" he asked his daughter.
When adversity knocks on your door, how do you       ? Are you a carrot, an egg, or a coffee bean?
小题1:
A.complainedB.toldC.reportedD.discussed
小题2:
A.boring withB.fed upC.tired ofD.uncertain about
小题3:
A.roseB.aroseC.raisedD.was happened
小题4:
A.kitchenB.restaurantC.dinning roomD.market
小题5:
A.conclusionB.stopC.lifeD.boil
小题6:
A.eggsB.carrotsC.beansD.coffee
小题7:
A.knowingB.understanding C.puzzlingD.wondering
小题8:
A.turned onB.turned offC.turned inD.turned up
小题9:
A.cameB.gaveC.fishedD.figured
小题10:
A.pouredB.paintedC.packedD.picked
小题11:
A.watchB.smellC.feelD.search
小题12:
A.spaceB.shellC.surfaceD.skin
小题13:
A.digestedB.sufferedC.measuredD.tasted
小题14:
A.explainedB.demandedC.declaredD.claimed
小题15:
A.satB.boiledC.facedD.fallen
小题16:
A.immediatelyB.constantlyC.differentlyD.similarly
小题17:
A.hardenedB.softenedC.lightenedD.tightened
小题18:
A.fragileB.roundC.thinD.small
小题19:
A.adjustedB.adaptedC.accustomedD.changed
小题20:
A.changeB.faceC.representD.respond
题型:填空题

在一个电中性的原子中,一定含有的微粒是(  )

A.质子、中子、电子

B.质子、中子

C.质子、电子

D.中子、电子

题型:填空题

秦汉时期,“三公九卿”中“三公”不包括()。

A.司徒

B.丞相

C.太尉

D.御史大夫

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