1、Section Learning about Language&Using LanguageUnit 4 Exploring plants栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants1_ vt.降低；跌落；减弱2_ adj.不鲜明的；阴暗的3_ adj.芬芳的；香的4_ adj.典型的；有代表性的5_ vt.附着；系上；附加；缚上lowerdullfragranttypicalattach栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants6_ n.纪念碑7_ n.金字塔8_ adj.精巧的；脆弱的；微
2、妙的9_ n.线；细绳；一串10_ adj.熟的；成熟的monumentpyramiddelicatestringripe栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants11postpone vt._12rot v._13irrigation n._14evolve vt.&vi._15beard n._推迟；拖延腐烂；腐败灌溉进化；演变；发展；进展胡须栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants1attach._.把系到上；贴上；附上2give _发出(气味、热等)；分发3adapt _适应4re
3、ward._.以回报5rot _腐烂掉toouttowithaway栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants1For example，yellow flowers attract bees，_ red flowers attract butterflies.例如，黄花吸引蜜蜂，而红花吸引蝴蝶。2.usually the nectar is at the end of a small，narrow tube _ length is the same as the tongue of a particular species.花粉通常在狭小的花
4、管子里的末端，其长度与特定花粉传播者的舌头相当。whilewhose栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsRead the passage and tell the following statements True(T)or False(F)1Most of the animal pollinators have evolved ahead of the flowering plants.()2Through evolution，flies，wasps，beetles and other animals such as bees and
5、 moths have become less common.()3The pollinators choose the types of flowers according to the features of them such as the colour，shape，and smell.()答案：13.FFT栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsOver time，many flowering plants and their animal pollinators have evolved together.许多开花的植物长期以来是
6、和它们的动物传粉媒介一起发展的。Maize evolved from a wild grass in Mexico.玉米是由墨西哥的一种野草进化而来的。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants进化，发展，演变自我探究evolve 是动词，意为_。evolve from sth.由某物/从某物进化而来evolve into sth.逐渐形成某物evolution n.进化，演变evolutionary adj.进化的，演变的 栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsEach school
7、must evolve its own way of working.每个学校必须形成自己的办学模式。The three species evolved from a single ancestor.这三种生物从同一祖先进化而来。Do you know the evolution of the steamship?你知道蒸汽船的演变吗？栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants巧学活用完成句子达尔文认为我们人是从类人猿进化来的。Darwin believed that _答案：we human beings evolved from the
8、ape栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsPollen becomes attached to the animal during its visit to a flower and is then passed on to another plants blossom on its next visit.动物接触一朵花后，花粉就附着在它的身上，动物接触下一种植物的花时，就把这些花粉传到花朵上。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsHowever，I think sometimes
9、 we attach too much importance to our phones so that we ignore our friends.然而，我认为有时候我们太重视手机而忽略了我们的朋友。He attached a label to his trunk.他给大皮箱贴上了标签。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants自我探究attach是动词，意为_，常与介词 _连用，意为_。缚上；系上；附加to把贴上，附上栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants(1)attach sth.
10、to sth.把固定；把附(在上)attach importance/significance/value to sth.重视，认为有重要性(或意义、价值、分量等)attach oneself to sb.依附某人be attached to依恋；属于；加入；隶属于attach to sb.与某人相关联；归功于某人(2)attachment n.附着，附属；依恋 栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsI attach great importance to this research.我认为这项研究十分重要。No blame attach
11、es to you in this affair.这件事不怪你。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants巧学活用完成句子(1)当我们初学外语的时候，我们应该特别重视正确的发音。We should _when first learning a foreign language.(2)他们已经在协议上附加了一些条件。They have _the agreement.答案：(1)attach primary importance to correct pronunciation(2)attached a number of conditions
12、to栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsSmell：strong，sweet perfume，typically only given out at night.气味：浓烈的香味，典型的香甜味，典型之处只是在夜晚散发。Please help me give out these test papers.请帮我分发这些试卷。The coal began to give out.煤用光了。分发，用光(用尽)自我探究give out 是动词和副词组成的动词短语，意为_。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Explori
13、ng plantsgive out 主要有以下两个意思：(1)分发，发出(气味、热等)。(2)当意为“用光，用尽，筋疲力尽”时，是不及物动词的短语，相当于 run out；如果后面接宾语，就要用 run out of 或 use up。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsHoward gave out drinks to his guests.霍华德把饮料分给来宾。They gave out ad leaflets to the customers.他们向顾客散发广告传单。Our food supplies are giving out
14、/running out.我们的食物快要吃光了。We are using up/running out of our money.我们的钱快要花光了。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsFor example，yellow flowers attract bees，while red flowers attract butterflies.例如，黄花吸引蜜蜂，而红花吸引蝴蝶。Tom is very good at science,while his brother is absolutely hopeless.汤姆擅长理科，然而他的弟弟
15、绝对是无可救药。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants自我探究while 为连词，连接_，意为_，表示_，while 位于两个分句之间。两个分句而，然而对比或转折栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants(1)引导时间状语从句，意为“当的时候”，此时，谓语动词用延续性的。(2)引导让步状语从句，意为“尽管，虽然”。(3)表示条件，意为“只要”，其意思和用法相当于 as long as 或if。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plantsH
16、e caught a cold while(he was)on vacation.他度假时患了感冒。While I agree with your reason，I cant allow it.尽管我同意你的理由，但我不允许这样做。There will be life while there is water and air.只要有水和空气，就有生命。While there is life，there is hope.留得生命在，不怕没希望。栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants巧学活用完成句子尽管我承认他并不完美，但我确实喜欢这个人。_I accept that he is not perfect，I do actually like the person.答案：While栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants课 时 作 业 11栏目导引要点透析讲练互动课时作业自学导引语篇理解Unit 4 Exploring plants本部分内容讲解结束 按ESC键退出全屏播放
