选修 8 Unit 5 Meeting your ancestors要 点 梳 理 高效梳理·知识备考●重点单词1.alternative n. 可能的选择 adj.供选择的;其他的2.starvation n.挨饿;饿死→starve vi.挨饿;饿死3.accuracy n.精确;准确→accurate adj.准确的;精确的4.interrupt vt. & vi.打断……讲话;打岔;暂时中断或中止5.assume vt.假定;设想6.sharpen vi. & vt.(使)锋利;尖锐;清晰→sharpener n.磨具;削具7.messy adj.凌乱的;脏的→mess n.凌乱,脏8.botany n.植物学→botanical adj.植物学的,与植物学有关的9.analysis n.分析→analyses pl.→analyse vt.分析→analyst n.分析者,化验员→analytic(al) adj.分析的,解析的10.category n.种类;类别;范畴11.significance n.意义;意思;重要性,重要意义12.delete vt.删;删除13.somehow adv.以……方式;不知怎么地14.academy n.学院;学会;学术团体;院校15.applaud vi. & vt.鼓掌欢迎;赞赏→applause n.鼓掌16.accelerate vi. & vt.加速;促进17.arrest vt.逮捕;吸引 n.逮捕;拘留18.dizzy adj.晕眩的;昏乱的;使人发晕或困惑的●重点短语1.regardless of 不管;不顾2.at most 至多;最多3.cut up 切碎4.fed up with 受够了;饱受;厌烦5.look ahead 向前看;为将来打算6.date back 追溯到……7.arrest sb. for... 因……而逮捕某人8.with relief 欣慰地9.be proud of... 以……为骄傲10.turn to sb. for help 向某人求助●重点句型1.If only it could be just like last year! 要是能跟去年那样有多好呀!2.It is a great pleasure to meet you students from England... 见到你们这些来自英国的学生非常高兴……3.It must have been very uncomfortable.那肯定会非常不舒服。4.We have been excavating layers of ash almost six metres thick, which suggests that they might have kept the fire burning all winter.我们一直在挖掘一层层的积灰,几乎有六米厚,这意味着他们可能整个冬天都在烧火。5.Abruptly she sat down, only to be scooped up by her laughing, shouting sister, Luna. 她突然坐了下去,结果被她正又笑又嚷的妹妹鲁娜一把抱了起来。●高考范文(2007·辽宁)大学生活即将开始,你...