Unit4全单元语言点归纳课件

Unit4Languagepoints1makeattemptstodo尝试做某事2breakthrough突破3classify…into…将…分类成classify…as…将…归类为4bebasedon以…为基础5atfirstsight乍一看atthesightof一看见…就catchsightof看见in(outof)sight看(不)见6promote促进;促销;提升lead(live)acosylife过着舒适的生活8haveanappetiteforknowledge渴求知识9appointsbas(tobe)任命某人为…appoint…for…约定时间做某事appointedtime约定的时间10calculate计算;推测calculateon依赖11sparenoexpense不惜一切代价地　atone’sexpense花费某人的钱；捉弄某人　attheexpenseof　以…为代价;花费某人的钱12supplysbwithsth/supplysthtosboffersbsth/offersthtosbprovidesbwithsth/providesthforsb向某人提供某物13lookoutfor当心;探寻14onalarge(small)scale大(小)规模地toscale按比例地15beinvolvedin卷入;忙于，从事…16alargeamountof+[U]大量地17do/make/conductanexperiment做实验18thekeyto(doing)sth…的关键19deserve+sth/todo/doing(tobedone)应得，应受20altogether总共;完全;总而言之21berelatedto/relateto和…有关22concerningprep(about/on)关于23passon流传24occurvi发生;存在;被想起Itneveroccurredtometophoneyou25adaptvt使适合;改编(to)vi，