《2020年整理高考英语高频答案词.必考点（四）》由会员分享，可在线阅读，更多相关《2020年整理高考英语高频答案词.必考点（四）（3页珍藏版）》请在金锄头文库上搜索。
1、精品资源备战高考2020高考英语高频答案词 高频考点 必考点目录：一、高频答案词二、高频句型核心词三、高频核心短语（以介词和副词为中心）四、语法考点高频答案词五、阅读词汇题及完形熟词僻义高频考点四、语法考点高频答案词（四） (按选项出现的频度高低排列）【25】unless1.“not.unless+肯定句”相当于“if+否定句”：(1)A: You cant enter the hall if you have no ticket.B: You cant enter the hall unless you have a ticket.(2)A: Dont come if I dont call
2、 you.B: Dont come unless I call you.2.unless 从句的主语与主句的主语相同时，unless后面的主语与动词可省略。Unless (he is) in uniform, he doesnt look like a policeman.The girl never give in unless wrong.Unless repaired, the machine is of no use.【考例1】I wont call you _ something unexpected happens. A. unless B. whether C. because
3、D.while (A)【考例2】Most birds find it safe to sleep in the trees, but _ they have eggs or young chicks, they dont use a nest. A. why B. how C. unless D. where (C)【26】both/neither1.选择对象为两者，译为“两者，双方，二人”。Both 视为复数。Both of the flowers are very beautiful.= The flowers are both very beautiful.2.用于否定句时，表部分否定，
4、完全否定时要用not either/neither.Both of his children are not college students.（部分否定）Not both of his children are college students.（部分否定）Neither of his children are college students.（全部否定）3.both . and .译为“和都，既又”。其否定形式为：“neither. nor./ not either.or.”。The book is both interesting and instructive./ The book
5、is neither interesting nor instructive./ He was famous both as a novelist and as a stateman./ He was famous neither as a novelist nor as a stateman.4.neither放在句首，句子要部分倒装。He cant speak French, neither can I.【考例1】If Joes wife wont go to the party, _ . , A. he will either B. neither will heC. he neithe
6、r will D. either he will (B)【考例2】Last week, only two people came to look at the house, _ wanted to buy it.A. none of them B. both of them C. none of whom D. neither of whom (D)【考例3】It is reported that two schools, _ are being built in my hometown, will open next year.A. they both B. which both C. both of them D. both of which (D)高频必考战胜高考
