unit 2 working the land语言点

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1、B4Unit2Workingtheland语言点编稿：张桂琴审稿：梁晓目标认知重点词汇struggle，expand，check，enough，compare，provide，confuse，damage，affect，reduce，method，avoid，every重点短语thanksto，ridsb./sth.ofsb./sth.，careabout，wouldrather，toomuch，leadto，buildup，inaddition，turnto，focuson，keep...freefrom重点句型sothat可以引导目的状语从句eventhoughhavebe

2、endoingas用法小结知识讲解重点词汇【高清课堂：词汇精讲】struggle重点例句：Indeed,hissunburntfaceandarmsandhisslim,strongbodyarejustlikethoseofmillionsofChinesefarmers,forwhomhehasstruggledforthepastfivedecades.struggle　(vi.&n.)(1)fight(withsb.)（与某人）争斗,搏斗,打斗(2)moveone'sbodyvigorously,tryingtogetfree挣扎(3)trytoovercomediff

3、iculties拼搏；努力；struggleagainst/withstrugglefor/todosth.withastrugglewithoutastrugglestruggletoone'sfeetstrugglethroughthesnowstormalifeanddeathstruggleexpand重点例句：Dr.Yuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.expand　(vt.&vi.)(1)becomegreaterinsize,numberorimpor

4、tance变大;扩大;增强Metalsexpandwhentheyareheated.Whynottrytoexpandyourstoryintoanovel?(2)spreadout伸展Thepetalsoftheflowersexpandedinthesunshine.expand　(vt.&vi.)(1)becomegreaterinsize,numberorimportance变大;扩大;增强Metalsexpandwhentheyareheated.Whynottrytoexpandyourstoryintoanovel?(2)spreadout伸展Thepetals

5、oftheflowersexpandedinthesunshine.易混辨析stretch,spread,extend，expand这几个词的共同意思是“扩展”。(1)stretch指把有弹性的物体拉长或拉宽。(2)spread意思较为广泛：①把某物体展开，铺平。②把许多物体铺撒在一定的面积上。③指某事物在人与人之间传播，越传越广。(3)extend指在空间或时间上延伸，一般有一个大致的延伸方向。(4)expand本义指在面积、体积上的扩大，一般是从中心向四周扩大。用作比喻义时可以指各种事物的增长、扩大等。check【原句回放】Thenskimthepassagetocheck

6、ifyouwereright．然后浏览短文。检查一下你是否正确。(P9)【点拨】checkvt．检查；核对；制止；阻挡；寄存；托运Willyoupleasecheckthesefigures？你把这些数字核对一下好吗？Doctorsaretryingtocheckthespreadofthediseasewithdrugs．医生正试图用药物阻止这种疾病的蔓延。Theyhavecheckedtheenemy’sadvance．他们已阻挡住敌人的攻势。Hecheckedhiscoatashewentin．他进去时把外衣寄存起来。【拓展】checkin(旅馆、飞机等)登记；报到che

7、ckup调查易混辨析check与examine的区别①examine表示为了解某种情况而仔细“检查”、“审查”。Yesterdaythefiremenexaminedthegroundcarefully，butwerenotabletofindanybrokenglass．昨天，消防队员们仔细地检查了地面，但未能找到任何碎玻璃。MysuitcaseswereexaminedattheCustomswhenIenteredthecountry．入境时，我的提包在海关受到了检查。②check表示