Unit 22 Section Ⅰ Warm­upGlobal Warming—Preparing

1、Unit 22Environmental Protection索取，索取，再索取。孩子和母親的關(guān)系似乎永遠(yuǎn)都是這一種形式。人類(lèi)和自然母親的關(guān)系又何嘗不是如此呢？Nature Is Our Mother Take.Take.Take.The relationship between a child and a mother always seems to follow such a pattern.Like a child endlessly asking，we humans，throughout history，have been continually demanding what we d

2、esire from nature.We enjoy the comfort and beauty of our furniture，yet we never bother to think about the serious soil erosion caused by deforestation.We take it for granted that we must warm ourselves in winter times，yet we seldom realize all the prosperity from the development of modern industry，y

3、et few would give the slightest consideration to the global air and water pollution caused by industrial wastes.Our ruthless exploitation has permanently impaired our mother earth.Now，standing here at the threshold of the 21st century，we cannot help thinking of our posterity (后代)Nature is not only t

4、he mother of the present generation，but also the mother of the generations to come.How severely our posterity will criticize us if we leave them a barren and lifeless mother？How much more they will appreciate us if we give them a world of harmony to inherit？Let us start respectingand caring for natu

5、re from now on.Let us start the campaign of creating a mutually (互利的) beneficial relationship between people and nature right from this moment.With this new start，we have no reason to doubt that our children，and our childrens children will live in a brand new age of green trees，clean air，crystal wat

6、er，blue sky and an even more promising world!1deforestation n濫伐森林2take it for granted(that) 認(rèn)為是，理所當(dāng)然 3prosperity n. 繁榮；興旺，昌盛4at the threshold of 在的開(kāi)始 5inherit vt.&vi. 繼承1What will be caused with the development of modern industry?_2What will we do if we want our next generation to appreciate us?_【答案

7、】1.The global air and water pollution will be caused by industrial wastes.2We try to give them a world of harmony to inherit.Section Warmup & Global WarmingPreparing根據(jù)提示寫(xiě)出下列單詞1_vt.使困住2_n. 顧問(wèn)3_n. 保護(hù)區(qū) 4_n. 原則，道德準(zhǔn)則5_n. 保護(hù) 6_n. 一致的意見(jiàn) 7_prep. 超出 8_adj. 有關(guān)的 9_n. 農(nóng)業(yè) 10_n. 巧合 11_vt. 迫使(某人)陷入不幸的境地 12_adj. 聯(lián)邦

8、的 13_vt.&vi. 犧牲；獻(xiàn)出 14_vt. 主張，提倡 15_vt. 回收利用 16_n. 代替品，代用品 17_vt. 威脅 【答案】1.trap2.consultant3.reserve 4principle5.conservation6.consensus 7beyond8.relevant9.agriculture 10coincidence11.condemn12.federal 13sacrifice14.advocate15.recycle 16substitute17.threaten根據(jù)提示補(bǔ)全下列短語(yǔ)1be harmful _對(duì)有害2._risk 有危險(xiǎn)，處于危險(xiǎn)中

9、3._number of 一些4_ones control 超出的控制；不受的控制5speed_ 加快速度6look_ 展望未來(lái)7refer_ 指；提及；參考8_turn 依次，輪流9lead_ 引起，導(dǎo)致10_a result of 由于，因?yàn)?1_action 采取行動(dòng)12switch_ 關(guān)掉13add_ 把加起來(lái)14ahead_ 在的前面【答案】1.to2.at3.a4.beyond5.up 6ahead7.to8.in9.to10.as11.take 12off13.up14.of根據(jù)提示補(bǔ)全下列教材原句1._Without_these_naturally_occurring_gase

10、s，the suns rays would_bounce_back_into space leaving the Earth cold and impossible to live on.如果沒(méi)有這些自然產(chǎn)生的氣體，太陽(yáng)光線將會(huì)被反射回太空中，使得地球?qū)⑻幱诤渲卸贿m合生命的生存。2The amount of carbon dioxide in the atmosphere has risen by more than 30% in the last 250 years with_half_of_this_increase_occurring_since_1960.在過(guò)去的250年里，大氣中

11、的二氧化碳含量已經(jīng)增加了30%以上，而其中一半是在1960年以后增加的。3Given_this_data，it seems that the link between human activities and rising global temperatures is not merely a coincidence.考慮到這個(gè)數(shù)據(jù)，看起來(lái)人類(lèi)活動(dòng)與正在上升的全球溫度之間的聯(lián)系就不僅僅是一個(gè)巧合了。4The water level has risen so high in several places that many homes are at risk from flooding.幾個(gè)地方

12、的水位上漲得那么高，以至于許多房子處在被淹沒(méi)的危險(xiǎn)中。閱讀P6課文，并從四個(gè)選項(xiàng)中選擇最佳答案1.The main purpose of the first paragraph is _.Ato introduce the topic of global warming to the readersBto remind the readers of human activities in the pastCto introduce the greatest trouble in the futureDto mention the process of global warming in his

13、tory2Which of the following is TRUE about greenhouse gases?AGreenhouse gases will only do us harm.BGreenhouse gases do more harm than good to humans.CGreenhouse gases do more good than harm to humans.DProper greenhouse gases are quite necessary to the earth.3Which of the following is NOT mentioned a

14、s the result of global warming?ATyphoons.BSerious diseases.CPolar ice melting.DHeat waves.4Which is one of the biggest environmental problems in the 21st century?ARising sea levels.BGlobal warming.CMore and more factories.DFloods and droughts.5What leads to the increase of the global average tempera

15、ture according to many experts?AHuman activities.BBurning fuels.CPlanting trees.DBush fires.【答案】1.A2.D3.A4.B5.A閱讀P6課文，在空白處填入適當(dāng)?shù)膬?nèi)容(1個(gè)單詞)或括號(hào)內(nèi)單詞的正確形式In the last few decades, it 1._ (report) that Earths climate is being changed and human beings will face global warming. Global warming refers to 2._avera

16、ge increase in the Earths temperature, 3._， in turn, leads to climate change. The global average temperature has increased 4._1F over the last 100 years because of human 5._(active). If the situation 6._(continue), we are condemning life on Earth and should face terrible climate changes, serious diseases and bad effects on some industries as well as the 7._(rise) sea levels. So how can we stop these disasters from 8._(happen)? Governments all over the world have a 9._(responsibl