Module3 Journey to space-2022-2023学年英语八年级下册单元知识点总结+课文原句+例题（外研版）

外研版八年级下册3单元知识点复习 1. communicate（动词）联系；交流 用法：communicate with sb 和某人交流；和某人联系 --communicate with letters 用信件交流 -- In the past ，most people communicated with letters 过去，大多数人用信件交流 --communication（名词）交流；联系 课文原句：Why has no one communicated with us? 为什么没有人和我们联系？ 例题（1）： Teenagers have to find a ____ way to communicate with their parents. A. fair B. proper C. strange 例题（2）：Parents often have trouble _______ with their kids, because they don’t understand each other.(communicate) 2. impossible（形容词）不可能的 用法：It’s impossible for sb to do sth 做某事对某人来说是不可能的 -- It’s impossible for human to live on the Mars in the near future, isn't it? 在不久的将来，人类不可能生活在火星上，不是吗？ 课文原句：It is impossible to imagine 这很难想象 例题（1） I find _______ impossible to finish the work by Friday. A. it’s B. that C. it 例题（2）Sarah found it impossible to c______ this task in a short time. 3. light（名词）光；光线 搭配：electric light 电灯 --turn on the light 开灯 --turn off the light 关灯 --the light turns green 交通灯变绿 -- The electric light is an electrical appliance. 电灯是一种电器。 课文原句：They are very far away and their light has to travel for many years to reach us. 它们离得很远，它们的光必须传播很多年才能到达我们。 例题（1）--Dad, can we walk _______ the road now? --No，we _______. We have to wait until the light turns green. A. across；needn’t B. across; can‘t C. cross; mustn’t 例题（2）I used to make l_______ and light them on the Lantern Festival night. 4.discover（动词）找到；发现 用法: discover one's secret 发现某人的秘密 --discovery（名词）发现 --according to the discovery 根据发现 课文原句：Scientists have also discovered many other galaxies in the universe. 科学家还发现了宇宙中的许多其他星系。 例题（1）It’s important to master computer technology. So I advise you ________ new ways to make computers _______ us better. A. discovering；serve B. to discover；to serve C. to discover；serve 例题（2）Such useful i_______ can help the police discover the truth faster and more correctly. 5.yet 还 用法：是现在完成时的标志 用于否定句或疑问句句末 -- I haven't washed my clothes yet 我还没洗衣服 课文原句：I haven’t started yet because I’m not sure how to make it.