Unit 8 A green world-2022-2023学年英语八年级下册各单元知识点总结+课文原句+例题（牛津译林版）

译林牛津版八下Unit8知识点总结 1.serious（形容词）严重的；严肃的；认真的（P.106） （1）be hurt seriously=be hurt badly 受伤很严重 （2）be seriously polluted 被严重污染 （3）serious diseases      严重的疾病 --cure serious diseases 治愈严重的疾病 （4）think seriously 认真考虑 （5）take sth seriously 严肃对待某事；认真对待某事 --No matter how small the thing is, you should take it seriously 不管事情有多小，你都应该认真对待它 例句赏析：You’d better think seriously before taking up a new hobby 在开始新的爱好之前，你最好认真考虑一下 课文原句：Are you serious? 你是认真的吗？ 例题（1）Nothing is more important to us than air. But air pollution has caused serious environmental problems and the air we breathe _______. A．has seriously polluted B．is seriously polluted C．polluted 例题（2）All the students should remember: “The ________ you take every class, the ________ you will learn.” A．more seriously; well B．more serious; well C．more seriously; better D．more serious; better 2.reduce（动词）减少（P.107） （1）reduce the stress 减少压力= reduce pressure （2）reduce greenhouse gas emissions 减少温室气体排放 （3）reduce greatly 急剧下降 （4）reduce pollution 减少污染 （5） reduce the chances of the spread of many diseases 减少许多疾病传播的机会 例句赏析：.China is trying to make EVs popular to reduce pressure on its environment． 中国正试图让电动汽车普及，以减轻对环境的压力。 课文原句：We can reduce air pollution by riding bicycles. 我们可以通过骑自行车来减少空气污染。 例题（1）To reduce the ________ of spreading COVID-19, people in Hefei are asked to talk less in public. A．risks B．ideas C．steps D．shapes 3. allow（动词）允许（P.108） （1）allow sb to do sth  允许某人做某事 --sb be allowed to do sth  某人被允许做某事=It is not allowed to do sth  做某事是不被允许的 （2）allow doing sth  允许做某事 --doing sth isn't allowed  做某事不被允许 好句赏析：Off-school training centers are not allowed to offer education courses over their grade level.  校外培训中心不得提供超出其年级水平的教育课程。 课文原句：We are not allowed to cut down trees. 我们不被允许砍伐树木。 例题（1）—Don’t you see the sign “No Parking!” on the right? —Sorry, I didn’t. But now I know parking ________ here. A．wasn’t allowed B．isn’t allowed C．won’t allow 例题（2）—Are your parents hard ________ you? —Yes. For example, they don’t allow me t