广东省普通高中高中英语学业水平测试 Unit 4 Astronomy the science of stars课件 新人教必修3

1、高中英语 必 修 Unit 4 Astronomy：the science of the stars12021/8/8 星期日2单词system n. 系统；体系；制度2theory n. 学说；理论violent adj. 猛烈的；激烈的；强暴的unlike prep. 不同；不像harmful adj. 有害的exist vi. 存在；生存puzzle n. 谜；难题 vt.& vi. (使)迷惑；(使)为难8. pull n& vt. 拉(力)；拖；牵引力2021/8/8 星期日3短语in time 及时；终于lay eggs 下蛋give birth to 产生；分娩in ones t

2、urn 轮到某人；接着prevent from 阻止；制止cheer up 感到高兴；感到振奋now that 既然break out 突发；爆发watch out 密切注视；当心；提防 2021/8/8 星期日4考点过关练习：1system n. 系统；体系；制度拓展：【派生词】systematical adj.有系统的systematically adv.有系统地1)The _ _ was formed 4.5 billion years ago. 太阳系是45亿年前形成的。2)There is something wrong with the _ _ 供水系统出了问题。solar sys

3、temwater system2021/8/8 星期日5考点过关练习：2theory n. 学说；理论拓展：【反义词】practice n. 练习【派生词】theoretical adj.理论上的theoretically adv.理论上1)Its hard for us to understand this _ about the origin of the universe. 我们很难去理解这个关于宇宙起源的理论。2)This is a clear explanation of _ _ _ evolution. 这是对进化论的清晰的解释。theorytheory ofthe2021/8/8

4、 星期日6考点过关练习：3violent adj. 猛烈的；激烈的；强暴的拓展：【派生词】violently adv. 猛烈地；凶猛地 violence n. 激烈；凶猛1)There will be a _ storm according to the clouds. 根据这些乌云，一场暴雨即将到来。2)The tiger attacked the elephant _ 老虎凶狠地攻击这头大象。violentviolently2021/8/8 星期日7考点过关练习：4in time 及时；终于拓展：【近义词组】on time 按时1)He got on the plane_ _ 他及时上了飞

5、机。2)Tom will come_ _ even though it rains. 即使下雨，汤姆还是会准时来的。3)Hold on and you will succeed_ _ 坚持下去，你最终会成功的。in timein timeon time2021/8/8 星期日8考点过关练习：5unlike prep. 不同；不像拓展：【反义词】dislike vt.不喜欢；厌恶 【近义词】different adj.不同的1)Mary is _ her mother; she is tall and her mother is very short. 玛丽不像她妈妈，她很高，而她妈妈很矮。2)

6、People _ those who are selfish. 人们不喜欢那些自私的人。unlikedislike2021/8/8 星期日9考点过关练习：6harmful adj. 有害的拓展：【近义词组】do harm to 对有害 【反义词】harmless adj.没害的 【派生词】harmfully adv.有害地1)Playing mobile phones will _ _ _ your health. 玩手机对你的健康有害。2)It _ _ _ your eyes if you read on the bed. 躺在床上看书对你的眼睛不好。do harm todoes harm

7、to2021/8/8 星期日10考点过关练习：7exist vi. 存在；生存拓展：【派生词】existence n. 存在；生存 existent adj.存在的n生存者；存在的事物搭配： exist in 存在于 exist on 靠生存1)We cant _ without air. 我们没有空气就不能生存。2)It was impossible for them to _ _ such a small income. 他们靠这么微薄的收入生活是不可能的。existexist on2021/8/8 星期日11考点过关练习：8in ones turn 轮到某人；接着拓展：【近义词组】in

8、turn 轮流1)The students clean the classroom every day_ _. 学生们每天轮流打扫教室。2)We should get on the bus_ _ 我们应该排队上车。in turnin turn2021/8/8 星期日12考点过关练习：9preventfrom 阻止；制止拓展：【近义词组】stopfrom / keepfrom 阻止；防止1)The heavy snow _ us _ going out. 大雪阻止我们出行。2)The river should _ _ _ being polluted. 我们应该尽力防止河流污染。prevent/

9、stop/keep frombe prevent/stop/keep from2021/8/8 星期日13考点过关练习：10now that 既然拓展：【近义词】since conj.既然1)_ _ I am free，I can enjoy music for a while. 既然有空，我可以享受一下音乐。2)_ you have done that，stop blaming yourself. 既然你已经做了，就不要自责了。3)_ _ you are grown up，you should not rely on your parents. 既然你长大了，就不应该依靠你的父母。Now t

10、hatNow thatSince2021/8/8 星期日14考点过关练习：11break out 突发；爆发拓展：【近义词组】burst out 突发；猛然搭配：break down 损坏； 坏掉1)We had a fire_ _ last night. 昨晚我们那里发生了一场火灾。2)My car _ _ so I have to go to work by bus. 我的车坏了，所以我不得不坐公交车上班。broke downbroke out2021/8/8 星期日15考点过关练习：12watch out 密切注视；当心；提防拓展：【近义词组】look out / be careful

11、当心1)_ _！ Here comes the bus. 当心！车来了！2)You have to _ _ for those people. 你得小心那些人。watch out/be careful/look outWatch out/Be careful/Look out2021/8/8 星期日16语法精讲1定义：在句中作主语的名词性从句称为主语从句。引导词有that，whether，who，what等。例如：(1)What I told you is true.我告诉你的都是真的。(2)Who will go to America is still unknown.谁会去美国仍然不知道。

12、2021/8/8 星期日17语法精讲2形式主语：为了整个句子的平衡，主语从句经常后置，并用it充当形式主语，如果that引导的主语从句放在句首，则不可以省略引导词that。例如：(1)It doesnt matter whether she will come or not. 她来不来，都无关紧要。(2)It has not been decided where the meeting is to be held. 在哪里开会还没决定。(3)That the earth moves around the sun is a truth.地球围绕太阳转是真理。2021/8/8 星期日18语法精讲练习：用适当的引导词填空。1_ well go camping tomorrow depends on the weather.2_ you need is a good rest.3_ we should leave is a problem.4_ is hard for this little child to find out the answer.5_ it was done was a mystery.WhetherWhatWhenItHow2021/8/8 星期日19语法精讲6_ we shall be late is certain.7_ I