九级英语上册 Unit 5 Look into Science Lesson 25 Let’s Do an Experiment同步练习 （新版）冀教版.doc

unit 5 look into science单词闯关1.正确的；恰当的_(adv.)_2方法；办法_3力量；迫使；强迫_4experiment _5jar_6upside _7pour_8scientific_(n.)_9raincoat _10pressure _11conclude _(n.) _短语互译1.做实验_2用装满_3用覆盖_ 4把翻转；倒过来_ 5把拿开_6be sure of _7pour out _8. scientific method _句型在线1.我想地面会被弄湿。i think the floor will _ _2让我们测验一下哪种理论是正确的。lets test _ _ _ _3那被叫作科学方法。thats called _ _ _4我对我的理论很有把握，布莱恩能在你的头上做实验，而且我知道你不会被淋湿。i _ _ _ _ my theory_ brian can do the experiment over your head and i know you wont get wet.5. 布莱恩把他的手从硬纸板上拿开。brian _ his hand _ the cardboard.6它足够强大，可以将水托住。it is _ _ _ hold the water.7我总结出空气比我想象的更强大。i _ that air is _ _ i thought.1correct adj. 正确的；恰当的观察 lets test which theory is correct.让我们测验一下哪种理论是正确的。we must make sure that things are done correctly without mistakes. 我们必须确保事情做得准确无误。探究 correct的副词形式是_，意为“_”。拓展 correct 还可用作动词，意为“改正；纠正”。can you help me correct the mistake that you find?你能帮我改正你发现的错误吗？12016无锡to my surprise, the 3yearold boy can spell all those words _(正确地)2method n. 方法；办法观察 thats called the scientific method.那被叫作科学方法。 辨析 method, way与meansmethod指系统、有条理地办事或解决问题的方法。way普通用词，可指一般的方法，有时也指个人的方法或方式，也可指特殊的方法或方式。means指为达到某种目的或目标而采用的方法、手段或途径。its the best method of working out the maths problem.这是算出那道数学题最好的方法。the good way to keep healthy is to take more exercise.保持健康的好方法就是多锻炼。his money wasnt earned by honest means.他的钱来路不明。2老师正在给我们演示一种新的书写方法。the teacher is showing us _ _ _ _ _3force n. 力量v. 迫使；强迫观察 the force of the air keeps the water in the jar. 空气的力量使水留在广口瓶里。the truck was forced to stop for repairing. 那辆卡车被迫停下来修理。探究 (1)force用作名词时，是_(可数/不可数)名词。 (2)force 还可用作_词，意为“_”，常用于被动结构。force 还可以接动词不定式或形容词、副词、介词短语充当补足语的复合宾语。3由于战争，他们被迫离开自己的国家。they _ _ to leave their own country because of the war.1i cover the top with a piece of cardboard and hold it there.我用一张硬纸板盖住瓶口并抵住它。探究 (1)cover在本句中为_动词，意为“覆盖”。cover sth._ sth.意为“用某物盖住某物”，常用被动形式：sth. be covered with sth.。(2)a piece of 意为“一片；一块”。a piece of 后面接_名词，表示数量；如果表示的数量超过“一”，则_用复数形式。谓语动词根据piece 的单复数而定。mary gave the boy two pieces of cake.玛丽给了这个男孩两块蛋糕。拓展 表示不可数名词的数量时，要用“数词/冠词量词of不可数名词”结构，如a glass of water一杯水，two bottles of juice两杯果汁。1(1)2017达州_ of the land in that town_ covered with trees and grass.atwo fifth; is btwo fifth; arectwo fifths; is dtwo fifths; are(2)2017南充are you thirsty?yes, please give us_athree bottle water bthree bottle of watercthree bottles of water dthree bottles of waters2then i turn the jar upside down and take my hand off the cardboard. 然后我将广口瓶倒置并将我的手从硬纸板上拿开。探究 (1)turnupside down意为“把翻转；倒过来”，相当于词组_。turn your book upside down and recite the text.把你的书翻转过来并背诵那篇课文。(2)takeoff意为“把从拿开”。take off还可译为“(飞机)起飞；脱下(衣服)”。he took his shoes off and sat on the bed.他脱掉鞋，坐到了床上。the plane took off an hour late.飞机起飞晚了一个小时。2(1)你不能颠倒事实。you cant _ the facts _ _(2)2017十堰中国大飞机5月5日在上海浦东国际机场起飞。the c919_in shanghai pudong international airport on may 5.3i am so sure of my theory that brian can do the experiment over your head and i know you wont get wet. 我对我的理论很有把握，布莱恩能在你的头上做实验，而且我知道你不会被淋湿。探究 (1)be sure of/about意为“相信；对有把握”，表示对某事(物)的看法。其后常接_词、_词或_词。i am sure of winning the game. 我有把握赢得这次比赛。(2)本句中that引导的从句用来解释说明句中的名词_。he told me the news that his uncle would come back soon.他告诉我他叔叔很快要回来的消息。拓展 (1)be sure to do sth.意为“务必做某事；一定要做某事”。(2)be sure (that)意为“肯定；确定”，主句的主语必须是人。3.他不清楚她的名字。he _ _ _ her name.4it is strong enough to hold the water.它足够强大，可以将水托住。探究 该结构的基本形式是“形容词/副词enough to_”，意为“足够可以”。拓展 “形容词/副词enough to”可以和“sothat”引导的结果状语从句进行同义句转换，如果是否定句，则可以和“tooto”句式进行同义句转换。4(1)2016丹东他年龄够大了，可以上学了。(翻译句子)_(2)2016巴中改编tina was so careless that she made lots of mistakes in the exam.(改为同义句)tina wasnt _ _to make lots of mistakes in the exam.教师详解详析【课前自主预习】单词闯关1correct; correctly2.method3.force4实验； 试验5.广口瓶； 罐子6上部； 上边7.倒出； 倾倒8科学的； science9雨衣10.压力， 压强； 挤压11得出结论， 断定， 推断出； conclusion短语互译1do an experiment2fillwith3coverwith4turnupside down5takeoff6对有把握7涌出8. 科学方法句型在线1get wet2which theory is correct3the scientific method4am so sure of; that5. takes; off6strong enough to7conclude; stronger than【课堂互动探究】词汇点睛1 correctly; 正确地correctly2 a new method of writing3 不可数； 动； 迫使， 强迫were for