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1、河北省抚宁县第六中学高中英语unit4词汇学案 新人教版必修3重点单词检测：1 n系统；体系；制度2_n. 大气层；气氛 3_prep. 不同；不像 4_ n. 链子；连锁；锁 5_vi.&vt. (使)浮动；(使)漂浮 n. 漂浮物 6_ n球体；地球仪；地球7_adj.猛烈的；激烈的；8._ n.气候重点短语检测：1_ 及时；终于2_ 产生；分娩3_ 阻止；制止4_下蛋5_轮到某人；接着6_感到高兴；感到振奋7_依赖，取决于 8_感到高兴;感到兴奋9_既然 10_爆发;突发 11_密切注视;当心;提防 重点单词短语 趁热打铁1. violent adj._n.猛烈，暴力(行为)_adv.
2、猛烈地 His heart beats _Not a few _ scenes were cut from the film before it came to show.2. harmful adj.有害的归纳拓展：【对有害】_doharm/do harm to_ do more harm than good _ adj.无害的，无恶意的It is a nice dog. It wont do you any .A. ill B. bite C. hurt D. harm Smoking is _to ones health.3. explode1). （使某物）炸开，爆炸 2). （指感情
3、）迸发 explode with /in/into. 3). （指人口）突然或迅速增加 explosive adj._ explosion n. _The firework _ in his hand and he was hurt seriously. The children _ into laughter.The teacher _ with anger.4.unlike prep. 不像，和不同 adj. 作表语 不相似；不同拓展_vt./n. 不喜爱，厌恶Her latest novel is quite _ her earlier work.5.puzzle n.迷；难题 v.(使
4、)迷惑；(使)为难be puzzled by被迷惑be a puzzle to sb对某人来说是个谜puzzling adj. 令人困惑的puzzled adj.(人感到)困惑的 Her decision was a puzzle _ him. His recent behavior _ (使我迷惑不解). His answer sounds _(puzzle) and we are all_ (puzzle).6.exist vi. _拓展：exist in 存在于中exist on=live on 靠生活exist as 作为而存在，以形态存在n._ 存在come into existen
5、ce _There exists._Man cant _without air.(没有空气人就不能生存) They cannot exist _ the money hes earningMatter can exist _ a solid，liquid，or gas.When did this world come _existence?7. presence n. 出席；到场；存在 _adj.目前的，出席的v.赠送At present_ bepresentat_ Everyone _ at the meeting was pleased at the _ of the general ma
6、nager.8. depend on/upon1) 信赖，依靠2) 视而定，取决于That /It (all) depends. _Your success _whether you work hard.9. in time迟早;最后;及时 _准时；按时_同时in no time _ at one time _ at a time _ ahead of time _ all the time一直；始终at times 有时from time to time不时；偶尔take ones time不急，慢慢来 他应当可以及时到达那里。You should be able to _.You will
7、 succeed _ because you are always working hard.你迟早会成功的，因为你一直在努力工作10.remain/leaveremain vi. 仍然是；留下；剩下常用句型：remain + n. 仍然是 remain + adj./adv./prep. 仍然是remain + v-ed/v-ing 仍然是 remain to be done有待去做，依然要做leave vt. 剩下，忽略或未拿或未带（某物），使或让（某人、事物）处某状态某地等leave sb. sth. / leave sth. to sb. 给某人留下leave sth (for sb)
8、 留下，交待下(某物) leave sth to sb 将某物遗赠给某人1). He used the _ money to buy a dictionary.2). After buying the dictionary, he had not much money_. 3). Arriving home, I found that I d _ my key in the office. 4). Don t leave her _ (wait) outside . 5). A great many things remain _ (do). 辨析remaining/left两者都可以作形容词
9、，表示“剩下的”，前者用于被修饰的名词之前，后者用于被修饰的名词之后。 11. give birth to 产生，分娩，引起，造成The extraordinary experience_his latest novel（请试译） 她生了双胞胎。She _ last night.这段奇特的经历_他的最新一部小说的诞生。12. in ones turn 轮到某人；接着in turn _take turns to do sth. _ it is ones turn to do sth. _ _to read the text.该轮到你读课文了。13.prevent/stop/keep.from阻止
10、；制止温馨提示：在主动语态的句子中，stop和 prevent后的from可省略，但keep后的from不能省略；在被动语态中，此三个短语的from 均不可省略。 雨使我们不能踢足球了。The rain_. 人们采取行动，防止了环境的恶化。People took measures and thus _. You look as though you need _ up.拓展 cheer (sb) up（使某人）更高兴或更快活15. now that_引导的是原因状语从句。既然已完成了工作，你就应该好好休息一下。You ought to have a good rest_ .经典句式1. 句型：
11、not as/so. as. 不如/不像 这本字典不如你想象的那样有用。This dictionary is_ . 他不像看上去那样老。_he looks.2. 是长度/高度/宽度的几倍，此结构中常用的名词有：size, height, weight, length, width, depth等。This ruler is three times as long as that one.=This ruler is twice longer than that one. =This ruler is three times the length of that one.这把尺子是那把的三倍长。这个房子是那个的三倍大。 .帮你总结：倍数+as +adj./adv.+as 是的几倍倍数+adj./adv.的比较级+ than 比(多/大
