1、2012 高考人教版必修 5 Unit 1 Great scientists 教学案(短语、重点句型、易错题点拨)B 卷 .重点句型详解1So many thousands of terrified people died every_time there was an outbreak. 因此每次暴发(霍乱)时,就有大批惊恐的人死去。这是由名词词组 every time 充当连词的时间状语从句,意为“每当” ,相当于 when。某些表达时间的名词词组可直接充当连词,即“名词连词化现象” 。常见的有:(1)不定代词time 如:any time, each time.(2)序数词time 如:
2、the first/last time.(3)the瞬时名词 如:the minute/moment/instant(4)the时间名词 如:the day/night/month/time.He brings her flowers every time he goes to see her.他每次去看她都给她带花。The first time he did the experiment, he succeeded.他第一次做实验就成功了。I ll give him your message the minute he arrives.等他一到,我就把你的口信给他。He bought a c
3、omputer the day he got his salary.他发工资那天买了一台电脑。即境活用 1 The boys ran off_ they saw the owner of the orchard (果园)Aat times Bthe hourCthe moment Dat once答案:C解析:句中 the moment 引导时间状语从句,相当于 as soon as。2Only_if you put the sun there did the movements of the other planets in the sky make sense. 只有当你把太阳放在中心位置
4、上,天空中其他行星的运动才能说得清楚。only 修饰副词、介词短语或状语从句,放在句首时,句子要部分倒装,即把助动词、情态动词或系动词 be 放在主语之前。Only then did I realize the mistakes I had made.只有在那时我才意识到我所犯的错误。Only in this way can you make progress.只有以这种方式你才能取得进步。Only when the war was over in 1949 was he able to get back home.只有在 1949 年战争结束时他才能回家。拓展:if only 要是该多好,但
5、愿。if only 从句可单独使用,这时要用虚拟语气:表示与过去相反的愿望用 had done;与现在相反的愿望用 did/were;表示与将来相反的愿望用 “would/could/might动词原形” 。If only I had gone to Beijing.我要是去了北京就好了。If only he could come tomorrow.他要是明天能来就好了。即境活用 2 _both sides accept the agreement will a lasting peace be established in this region.AOnly if BUnlessCIf on
6、ly DAs long as答案:A解析:主句中用了“will主语be”倒装结构,故选 Only if。易 错 点 拨 自我完善误区备考1. defeat/beat/win这三个词都有“赢”的意思,但其用法不尽相同。(1)defeat 和 beat 是同义词,其宾语必须是“人或一个集体” 。如 a team, a class, a school, an army 等。defeat 侧重在战场上打败敌人,beat 常用于游戏或比赛中,但在平时运用中常替换使用。(2)win 表示在较强的竞争中取得了胜利,常带的宾语有:game, war, prize, fame, battle 等。win 还可作
7、为不及物动词来用。应用 1 用 defeat, beat, win 填空(1)He _ all his opponents in the election.(2)Peasants _ the drought and reaped a good harvest.(3)After a hearttoheart talk, I _ his belief at last.defeated/beatbeatwon(4)The enemys plot was _ very soon.(5)We wouldnt have _without your help.(6)Mary _ first prize fo
8、r swimming.defeatedwonwon2. cure/treat/heal(1)treat 指通过药物 、特别的食品或运动治病,强调治疗过程,treat sb. for sth.医治某人病;还可作“对待,看待”讲,treat.as 把看作/视为。(2)cure 意为“治愈 ,痊愈” ,特别指病后的恢复健康。其后可接表示疾病的名词或代词,也可接 sb. of 再加表示疾病的名词。另外,还可作“矫正,纠正”解,借喻指消除社会上某种不良现象或个人恶习等。(3)heal 意为 “治愈 ”,多用于治愈外伤,如:wound, cut, injury, burn 等。应用 2 (1)He _ h
9、is students as his own children.他把学生看作自己的孩子。(2)The doctors are trying to _ him with a new drug.医生们尝试用一种新药为他治病。(3)His wound is _ over.他的伤口正在愈合。(4)The medicine will _ you of your cough.这药能治好你的咳嗽。(5)When I left hospital I was completely _.出院时我已完全康复了。treatedtreathealingcurecured3. announce/declare(1)ann
10、ounce 宣布;宣告(含有“预告”的意思),尤其是大家所关心的或有新闻价值的事情的宣布。用 announce 说个人要做某事,常常含有“郑重其事”的意思。(2)declare 宣布(如公开声明战争 、和平、中立、意见等),用于正式场合。应用 3 (1)This powerful country _ war on that small country.这个大国向那个小国宣战。(2)It was _ that there would be a celebration on Sunday.据宣布,星期日要举行庆祝(活动)。declaredannounced4. apart from/in addi
11、tion(to)/as well as/except/except for/except that/besidesapart from 除之外(既可以表示 except 或 except for,也可以表示 besides)in addition 也;另外;此外;还(相当于副词 besides)in addition to 除以外还(相当于介词 besides)as well as 还;既又;也( 相当于介词 besides)except (but) 除之外(不包括在内)except for 除之外(强调有美中不足)except that (what/when/where) 除了besides
12、 除 之外 (包括在内);况且;此外应用 4 用上述词或词组填空(1)I like her _ she is angry.(2)I have read a lot of novels _some short stories.(3)Your composition is very good _ some spelling mistakes.(4)_, we have a researchoriented program.(5)They all went to sleep _ the little boy.except whenin addition to/besides/as well as/apart fromapart from/except forIn addition/Besidesapart from/except