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1、Unit5知识点学案一 派生词1. migrate n. _ _n.迁徙2. _v.确定，决定 determination n._3. solve v._ _n.解决方法4. 谜 n._ mysterious adj._5. amaze v._ amazing adj._ amazed adj._ amazement n._6. _v.活下来，幸存 survival n._ _ n.幸存者 7. _ n.影响 _ v.影响8. accommodation n._ accommodate v._二 重点词汇1.They migrate to find food, seek a partner,
2、or in search of warmer weather.seek v_ seek ones fortune _2.Somehow they manage to travel around 4,000 kilometres south and find their way to California or Mexico.(教材P50)manage to do sth._=succeed in doing sth.try to do sth._3.It uses its eyes to measure the position of the sun.measure vi.&vt._n_tak
3、e measures/steps/action to do sth._ measure表示“有长(宽、高等)”时，是系动词，后跟量的结果，不用被动语态及进行时态。4.These two pieces of informationthe time of day and the point where the sun is in the skyallow the butterfly to determine the way to go.(教材P50)determine v_determined adj. _determination n. _determine to do sth.=be dete
4、rmined to do sth. _5.The more we know about this lovely creature, the greater the chance it will survive.(教材P51)survive v_survival n. _survivor n. _survive sb._survive sth. _A survive B(by.)_Only a few houses survived the earthquake.地震之后只有几所房子残存下来。As far as I know, the old woman survived her husband
5、 by ten years.据我所知，这位老太太比她丈夫多活了十年。名师点津survive表示“幸免于”时，是及物动词，因而不要加介词in，from等。6.Then use the sentences to complete the “causeeffect” flow charts.(教材P52)effect n._effective adj_have an effect on/upon_bring/carry/put.into effect_come into effect/take effect_in effect _side effect _Global warming is havi
6、ng a great effect on/upon hundreds of plant and animal species around the world.Its reported that this regulation will come into effect from December 1,2019.7. The solution to the mystery of the monarchs amazing ability comes at a time when it is in serious troubleamaze vt. _amazed adj. _amazement n
7、. _(1)be amazed at/by_be amazed to do sth. _(2)(much) to ones amazement _in amazement _8.They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.(教材P51)cut down_cut in_cut off _ cut up _ Dont cut in when others are talking.当别人交谈时，不要插嘴。We were cut off in the middle of
8、 our telephone conversation.在我们通话期间，我们的谈话被切断了。Please cut the apple up into equal pieces.请把这个苹果切成三等分。9.Learning idioms can be fun, especially when we compare them to Chinese equivalents.(教材P54)学习习语是有趣的，尤其是当我们把它们和汉语中的说法对比的时候。equivalent n_三 重点句型One of the most wonderful migrations in nature is that of
9、the North American monarch butterfly.(1)当句子中再次出现与前面的名词重复的名词时，常常用that代替前面出现的单数可数名词或不可数名词，而用those代替前面出现的复数名词。Is the population of Beijing larger than that of Shanghai?(2)替代词that/one/it：that只指物，不指人，可替代可数名词或不可数名词，指的是同类事物中另一样东西，即同类异物，复数用those。one可指人或物，只替代可数名词，是泛指，复数形式为ones。it代替上文提到的名词，指同类事物中的同一物体，复数为they。The students of our class are more hardworking than_of Class 3.I have lost my umbrella; Im looking for_.A chair made of steel is stronger than_made of wood.学科网（北京）股份有限公司