冀教版九年级英语上册 UNIT 5 Look into Science 一课一练（基础）（含答案）

UNIT 5Look into ScienceLesson 25Lets Do an Experiment！1. _adj. 正确的；恰当的2. _n. 方法3. _n. 力量 v. 迫使；强迫4. experiment n. _5. jar n. _6. upside n. _7. pour v. _8. scientific adj. _9. raincoat n. _10. pressure n. _11. conclude v. _1. scientific_(n. 科学家)2. conclude_(n. ) 1. _把翻转，倒过来2. _涌出3. _科学方法4. _把拿开5. _做实验6. _用装满7. _穿上；戴上；上演8. _确信1. 我用一张硬纸板盖住顶部，把它举在那里。I _the top _ a piece of cardboard and hold it there. 2. 然后我把广口瓶倒过来并且把我的手从硬纸板上拿开。Then I _ the jar _ _ and take my hand off the cardboard. 3. 我如此确信我的理论以至于布赖恩可以在你的头上方做这个实验，并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. 4. 压力大到足以托住水。It is _ _ _ hold the water. 5. 所以我们发现了什么？So what have we _？Lesson 26Keep the Candle Burning1. _n. 火柴 v. 相称；相配2. holder n. _3. shallow adj. _4. lighter n. _5. examine v. _6. oxygen n. _1. holder_(v. )2. shallow_(反义词)3. examine_(n. )1. _用光；用完2. _由组成3. _多远4. _五分之一1. 保持蜡烛燃烧。_ the candle _. 2. 倒半碟水。_ the dish half full _ water. 3. 水面上升了多少？_ _ does the water rise?4. 小心地把广口瓶放在蜡烛上方直到广口瓶的顶部挨住盘子。Carefully put the jar over the candle _the top of the jar rests on the dish. 5. 当蜡烛停止燃烧的时候，它已经用光了空气中所有的氧气。When the candle stops burning，it has _ _ all the oxygen in the air. 6. 因为氧气大约占空气的五分之一，所以水上升并填充大约广口瓶的五分之一。Because about _ _ _ the air is _ _ _ oxygen，the water rises and fills about one fifth of the jar. Lesson 27Planet Danny1. _ adv. 当然；确定；肯定2. _conj. 除非；如果不3. _ n. & adj. & adv. 两倍(的)；双倍(的)4. telescope n. _5. solar adj. _6. mystery n. _certainly_(adj. )1. _太阳系2. _在夜间，在晚上3. _调转方向；转身4. _即使；纵然1. 你想用望远镜看什么？What _ you _ to look at with a telescope? 2. 我告诉我爸爸我们正在学习太阳系。I _my father _we were studying the solar system. 3. 丹尼把望远镜转过来，再次从中看过去。Danny _the telescope_and looks through it again. 4. 我认为你找不到，除非你有一个更大的望远镜。I dont think you can find one _ you have a bigger telescope. 5. 实际上，有你房子的两倍大！Actually，_ _ _of your house!6. 好吧，即使我找不到一颗行星也值得一试。Well，its worth a try，_ _ I dont find a planet. Lesson 28The Study of Living Things1. _ adj. 奇异的；了不起的；极好的. biology n. _3. butterfly n. _4. migrate v. _5. completely adv. _6. grandchild n. _7. female n. _8. milkweed n. _9. chemical n. _10. puzzling adj. _1. completely_(adj. )2. grandchild_(复数)3. female_(对应词)4. puzzling_(n. )1. _ 引起某人的注意2. _长大成人3. _砍倒；缩减4. _担心1. 有关这种蝴蝶的奇异现象一直吸引着泰勒博士的注意。Fantastic facts about the butterfly have been _ Dr. Taylors _. 2. 在墨西哥，蝴蝶总是回到同一片只有20千米宽的小树林里。In Mexico，the butterflies always return to the same small piece of forest，which is only _ _ _. 3. 多达2. 3亿只蝴蝶在这里过冬。Here，_ _ _ 230 million butterflies spend the winter. 4. 科学家们还是不明白蝴蝶是怎么知道什么时候飞向南方的。Scientists still dont understand_ the butterflies know _ _ fly south. 5. 这对很多科学家来说既是迷惑的又是有趣的。This is _ puzzling _ interesting for many scientists. Lesson 29DNAThe Story of You1. _ adj. 一般的；普遍的2. _ v. 重复；复述；背诵3. _ n. 孙子；外孙4. _n. 孙女；外孙女5. _n. 指示；说明6. blueprint n. _7. complex adj. _8. twin n. _9. pattern n. _10. identify v. _11. related adj. _pattern_(近义词)1. _一般而言；通常2. _除之外3. _与相关4. _数十亿计的；大量5. _和一样6. _不但而且1. 一般而言，蓝图就是一幅图纸，它显示一座房子的构造。_ _， a blueprint is a drawing that shows how to put a house together with many different parts. 2. 但创造一个生物比盖房子要复杂得多。But building a living thing is _ _ _ than building a house. 3. 除了一些双胞胎，每一个生物都有自己独一无二的DNA。_ _ some twins，every living thing has its own unique DNA. 4. 例如，你的手指和头发有相同的DNA。For example，your finger has _ _DNA_ your hair. 5. 从你的DNA中，科学家们不但能够辨认出你，而且能够辨认出和你有血缘关系的人。From your DNA，scientists can identify _ _ you，_ _ people who are related to you. 6. 你的DNA中有数十亿的指令，来解释你为什么是现在这个样子。Your DNA has _ _instructions _ explain why you are the way you are. Lesson 30Science Affects Us1. _ v. 建议，提议；暗示2. _ n. 发展 3. _ n. 移动电话4. _ n. 发现；发觉5. affect v. _1. suggest_(n. )2. mobile phone_(近义词)3. development_(v. )4. discovery_(v. )1. _使翻转2. _向上推3. _向下按4. _在正确位置；准备就绪1. 我建议你也试一下！I _ you try it，too!2. 用硬纸板盖住广口瓶，再把广口瓶倒过来。_ the jar _ the cardboard and _ the jar _. 3. 作用在硬纸板向上的空气压力比广口瓶中的水作用在硬纸板向下的压力更高。The air pressure _ _ on the cardboard is higher than that of the water pushing down from inside the jar. 4. 广口瓶外面的更高的空气压力把硬纸板托在原位置。The higher air pressure outside the jar holds the cardboard _ _. 5. 我一直想知道没有电脑和手机生活会是怎样的。I always _ what life would be like without computers or mobile phones. 6. 科学发现正使我们的生活越来越好。Scientific discoveries are making our lives _ _ _. 参考答案UNIT 5 Look into ScienceLesson 25Lets Do an Experiment!核心单词1.correct2.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9雨衣10. 压力，压强；挤压11.得出结论；断定；推断出单词变形1.scientist2.conclusion核心短语1.turnupside down2.pour out3scientific method4.takeoff5.do an experiment6fillwith7.put on8.be sure of重点句型1.cover；with2.turn；upside down3am so sure of；that4.strong enough to5.discoveredLesson 26Keep the Candle Burning核心单词1.match2.支托物；持有者3.浅的4打火机；点火器5.检查6.氧气单词变形1.hold2.deep3.examination核心短语1.use up2.be made up of3.how far4.one fifth 重点句型1.Keep；burning2.Fill；with3.How far4until5.used up6.one fifth of；made up ofLesson 27Planet Danny核心单词1.certainly2.unless3.double4.望远镜5太阳的；关于太阳的6.神秘事物；奥秘单词变形certain核心短语1.solar system2.at night3.turn around4even if 重点句型1.would；like2.told；that3.turns; around4unless5.double the size6.even ifLesson 28The Study of Living Things核心单词1.fantastic2.生物学；生物3.蝴蝶4移居；迁徙5.完全地6.孙子；孙女；外孙；外孙女7雌性的动物或植物；女子8.(植)马利筋9.化学物质10令人费解的单词变形plete2.grandchildren3.male4.puzzle核心短语1.draw ones attention2.grow up3.cut down4worry about重点句型1.drawing；attention2.20 kilometres wide3as many as4.how；when to5.both；andLesson 29DNAThe Story of You核心单词1.general2.repeat3.grandson4granddaughter5.instruction6.蓝图7.复杂的 8双胞胎之一；孪生儿之一9.模式；形式10.确认；鉴别11有关的；相关的单词变形form核心短语1.in general2.except for3.be related to4billions of5.the sameas6.not onlybut also重点句型1.In general2.far more complex3.Except for4the same；as5.not only；but also6.billions of；thatLesson 30Science Affects Us核心单词1.suggest2.development3.mobile phone4discovery5.影响单词变形1.suggestion2.telephone/phone3.develop4discover核心短语1.turnover2.push up3.push down4.in place 重点句型1.suggest2.Cover；with；turn；over3.pushing up4in place5.wonder6.better and better12