Unit8 Study skills 知识讲解-牛津译林版八年级英语下册

1、U8 Study skills 知识讲解考点精讲 句1：Coal, oil and natural gas are not only useful for families, but have a wider use for factories.煤、石油和天然气不仅对家庭有用，而且对工厂有着更广泛的用途。考点：not only. but (also)不但而且not onlybut(also)用于连接两个并列成分，着重强调后者。例句：He plays not only the piano but also the violin.他不仅弹钢琴，也拉小提琴。The pandemic is a cha

2、llenge not only to China but also to the world.这场疫情不仅对中国，也是对世界的挑战。【特别提醒】not onlybut(also)连接两个并列成分作主语时，谓语动词的单复数要由but(also)后的成分 来决定，遵循僦近原那么”。Not only the students but also the teacher was against the plan.不仅学生们，而且那位老师也反对这个计划。【拓展延伸】常见的并列连词还有：both.and和都eithej.or或者或者neithej.nor.既不也不 其中eitheror,neithernor

3、连接两个并列成分作主语时，谓语动词的数要与靠近它的成分 保持一致，即遵循“就近原那么”。例句：Both Tom and Daniel are honest boys.汤姆和丹尼尔都是老实的男孩子。Either you or your mother was at home then.那时要么你在家,要么你妈妈在家。Neither the visitors nor the guide is responsible for the fire.游客和导游都不对这场火灾负责。牛刀小试：Not only Jim but also his sister a few cities in the south s

4、ince they came to China.A. have visitedB.has visitedC.visitedD.visits句2：They will be formed over thousands or even millions of years.它们要超过成千上万甚至数百万年才能形成。form v.形成例句：The rocks were formed more than 4,000 million years ago.这些岩石是40多亿年前形成的。【拓展延伸】form也可作名词J形式;形状;种类;表格”。in the form of 以形式/形状”。例句：Playing b

5、asketball is one form of physical exercise.打篮球是体育锻炼的一种形式。The main staircase was in the form of a big S.主楼梯呈一个大大的S形。Have you filled in your entry form for the competition yet?你填了参加竞赛的表格了吗？句3：As a result, it is very important for us to use them wisely.因此,对我们来说明智地使用它们是非 常重要的。as a result因此，结果as a result

6、通常放在句首或中,且用逗号将其与后面的内容隔开。例句：He works hard. As a result, he becomes a rop student in his class.他学习很刻苦。因此，他成为班上的尖子生。【拓展延伸】 as a result of“因为，由于;作为的结果”，后跟名词、代词或名词词组，在句中作状语,相当于because ofo例句：The plane was delayed as a result of the heavy rain.由于大雨飞机延误了。句4：If they are used or thrown away carelessly, finall

7、y some of them will run out.如果被满不在乎地使用或浪费掉，它们中的一些最终会被耗尽。考点：throwaway扔掉，丢弃;失去，浪费throw away是,动词+副词”型短语，如果名词作宾语，名词放在away前后均可；如果代词作宾语,代词只能放在throw和away之间。例句：The fish smells; throw it away.这条鱼有臭味了，扔掉吧。Every day people throw away about 2, 800 tons of paper in our city.在我们城市人们每天都要扔掉大约2800吨的纸。考点2： carelessly

8、 adv.满不在乎地；粗心地There will be an accident if you drive carelessly like this.你如果像这样马马虎虎地开车，就会酿成车祸。I broke the teapot carelessly.我不小心打破了茶壶。【拓展延伸】careful adj.细心的 反义词 careless adj.粗心的care n.小心carefully adv.细心地反义词carelessly adv.粗心地牛刀小试：根据汉语提示完成单词。Daniel did the exercises too（粗心地）,and it made his teacher angry.句5：We should try to produce less waste, reuse or recycle things if possible.如果可能的话，我们应当尽量少制造垃圾，循环使用或回收利用物品。考点1： reuse再使用例句：The bottles can be reused up to 20 times.这些瓶子可以重复使用达20次。【拓展延伸】含有前缀re（又;再;重新）的词还有：rewrite 重写retell 复述restart重启reapply再次申请reset重新设定r