高二英语the power of nature教案5

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1、Module8Unit5Meetingyourancestors同步辅导1.1Canyouthinkofalternativeswewouldusetoday?你能想出我们今天会用到哪一种吗？【例证分析】alternativen.选择对象havenoalternativebuttodosth.:只能做某事Wehavenoalternativebuttogoon.除了继续下去,我们没有选择的余地。Therewasnootheralternativebuttofighttillthevictory.除了战

2、斗直到胜利,别无选择。我没有钱，所以，我没有选择，只好呆在家里。Ihadnomoney,soIhadnoalternativebuttostayathome【思维拓展】alternativen.[C]可能的选择，可能性之一。近义词，choice。adj.选择性的,二中择一的另一种方式：alternativemeans;另择群体:thealternativesociety这条路被堵塞了，我们不得不走另一条路。hewaywasblocked,sowehadtogoby.alternativeroadalt

3、ernativev.交替；轮流alternativelyadv.交替地，作为另一种选择的2.TryatentativeguessaboutwhatPekingManmighthavedoneandusedthousandsofyearsago.暂且猜猜几千年前“北京人”可能做的事情和用的东西。【例证分析】tentativeadj.试验性的,试探的,尝试的,暂定的，在句中作前置定语和表语。atentativeschedule.是个试验性的计划Wehavemadeatentativearrangement

4、tomeetnextmonth.我们暂约定下月见。我只能给出一个不确切的意见。Icanonlygiveatentativeopinion。我的看法仅作尝试。Myopinionisonlytentative.【思维拓展】作尝试性的出价、建议：makeatentativeoffer;获得暂时的结论：cometoatentativeconclusion3.Youmustbeawarethatit’sherethatwehavefoundevidenceofsomeoftheearliestpeoplewho

5、livedinthispartoftheworld.【例证分析】强调句型的用法：强调句句型Itis/was+被强调部分+that．．．将被强调的部分放在前面，其它部分置于that之后。被强调部分可以是主语，宾语，表语或状语。强调的主语如果是人，that可以由who换用。如果把这种句型结构划掉后，应该是一个完整无缺的句子。这也是判断强调句型与其它从句的方法。Itwasabout600yearsagothatthefirstclockwithafaceandanhourhandwasmade.Itwast

6、heythat(who)cleanedtheclassroomyesterday.ItwasinthestreetthatImetherfather.原句：Myfatherdidtheexperimentinthelabyesterdayevening.　强调主语：Itwasmyfatherwhodidtheexperimentinthelabyesterdayevening.　强调宾语：Itwastheexperimentthatmyfatherdidinthelabyesterdayevening

7、.　强调时间：Itwasyesterdayeveningthatmyfatherdidtheexperimentinthelab.(注意不用when)　强调地点：Itwasinthelabthatmyfatherdidtheexperimentyesterdayevening.【思维拓展】Itisnotuntil+被强调部分+that...该句型也是强调句型。主要用于强凋时间状语，译成汉语＂直到．．．才．．．＂，可以说是not...until...的强调形式。Itwasnotuntilshetooko

8、ffherdarkglassesthatIrealizedshewasafamousfilmstar.=NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.=Ididn'trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.4.Iamsorrytointerruptyoubuthowcouldhelivehere?