训练含解析

训练含解析Tag内容描述：<p>1、课时训练1.单词拼写1.Mist is a s of danger in Great Expectations.答案:symbol2.Is an e person with a lot of money a gentleman?答案:educated3.John is b on getting the first place in the following race.答案:bent4.The achair was made in 1628.答案:antique5.At 17,he had a c record for petty theft.答案:criminal6.It was g of you to share your food with me.答案:generous7.Oliver Twist was written by one of the greatest n in the world.&#160。</p><p>2、课时训练2.将下列句子改为否定句1.Theyre listening to pop music now.答案:They arent listening to pop music now.2.Many people can speak English nowadays.答案:Many people cant speak English nowadays.3.You must make your bed after you get up every day.答案:You dont have to/neednt make your bed after you get up every day.4.His mother has a beautiful car.答案:His mother doesnt have a beautiful car.5.We need a pen and a piece of paper.答案:We dont need a pen and a piece of paper.6.I need wear a。</p><p>3、课时训练3.单词拼写1.The m was built in honour of those who died for the people.答案:monument2.Cheating at the game ruined the players r.答案:reputation3.After tasting the water,he s it out,saying it was awful.答案:spat4.The United States has d it to be a safe zone.答案:declared5.Feeling the house shaking,he s out of bed and rushed out of the house.答案:sprang6.She has only one son and a him much.答案:adores7.Its much easier to run。</p><p>4、课时训练Section Task & Project一、根据句意选择适当的短语,并用其正确形式填空burst inmake room forglare athold outrun aftera roll ofas if1.If you two hares,you will catch neither.答案:run after2.Liu Hulan the enemy,fearless.答案:glared at3.He was just about to leave when someone on his room.答案:burst in 4.He opened his mouth to say something.答案:as if5.How long will our food supplies?答案:hold out6.The factory is enlarged to。</p><p>5、Unit 1Laughter is good for you课时训练Section Welcome to the unit,Reading & Word power一、根据句意和首字母或汉语提示,写出单词的正确的形式1.Dont take it seriously;hes only t.答案:teasing2.“Accidents will happen”,as the s goes.答案:saying3.We m for our dead soldiers in the earthquake.答案:mourned4.After a careful research,he found that his p conclusion was wrong.答案:previous5.It seems quite (荒谬的) to expect everyone to drive for 3 hours just for a 20-minute meet。</p><p>6、课时训练Section Grammar一、复习下面的单词,并且选择合适的词完成句子strengthen vt.& vi.增强;巩固fitness n.健壮,健康;适合participate vi.参加,参与positive adj.积极的;正面的;肯定的guarantee vt.& n.保证;担保foolishness n.愚蠢1.She is always ill.There were doubts about her for the task.答案:fitness2.The exercises are designed to your stomach muscles.答案:strengthen3.Hillary Clinton was bold enough to in the presidential campaign.答案:participate4.Failure hurts grown-ups and children alik。</p><p>7、11.2 变压器 电能的输送1(2019年河北张家口模拟)(多选)如图11218所示，50匝矩形闭合导线框ABCD处于磁感应强度大小B T的水平匀强磁场中，线框面积S0.5 m2，线框电阻不计，线框平面与磁感线垂直，以此时刻为计时起点，线框绕垂直于磁场的轴OO以角速度200 rad/s匀速转动，并与理想变压器原线圈相连，副线圈接入一只“220 V 60 W”灯泡，且灯泡正常发光，熔断器允许通过的最大电流为10 A，下列说法正确的是()图11218A图示位置穿过线框的磁通量变化率不为零B线框中交变电压的表达式为e500sin200t(V)C变压器原、副线圈匝数之比为5011D允许变压器。</p><p>8、10.2 法拉第电磁感应定律1(2019年湖北质检)如图10218所示，一线圈匝数为n，横截面积为S，总电阻为r，处于一个均匀增强的磁场中，磁感应强度随时间的变化率为k，磁场方向水平向右且与线圈平面垂直，电容器的电容为C，两个电阻的阻值分别为r和2r.下列说法正确的是()图10218A电容器所带电荷量为B电容器所带电荷量为C电容器下极板带正电D电容器上极板带正电解析：闭合线圈与阻值为r的电阻形成闭合回路，线圈相当于电源，电容器两极板间的电压等于路端电压；线圈产生的感应电动势为EnSnSk，路端电压U，电容器所带电荷量为QCU，A、B错误；根据楞。</p>