课时分层作业6 Unit 3 Section Ⅳ　Using Language

1、.课时分层作业六建议用时：30分钟.单词拼写1 疾病 often results from eating too much.2He is very ill and unlikely to 痊愈3We 抓住 at every chance to improve our work.4He was the only one 在之中 many who needed help.5This wounded soldier was 无意识的 from his loss of blood.【答案】1.Sickness2.recover3.snatch4.amongst5.unconscious.语法填空 【导

2、学号：28422060】Recently it has been observed that more and more people are switching to organic vegetables and fruits. They are 1. nature and safe for the human body to consume. Organic farming 2. increase and evolved in a large way due to this large demand by now. Farmers are getting better at the art

3、 of growing organic vegetables and there are many 3. help tips that they share with other members of the organic farming circle. If you are a gardener and are 4. interest in growing organic vegetables, 5. is wise to be aware of these tips and choose 6. good organic garden tip that helps your garden

4、to produce healthy and better vegetables.One helpful organic garden tip that works well for all farmers is 7. make your own fertilizer. This is 8. kind of fertilizer made of dry leaves, fruit peelings and kitchen food disposables. These materials are buried underground and kept there 9. some time. W

5、ith fermentation发酵 taking place, the soil becomes richer with nutrients. This means you get a fertilizer that does not have chemicals at all. This fertilizer enhances the soil and so the vegetables and fruits are 10. healthy and better.【答案】1.natural2.has erested5.it6.the best7

6、.to make8.a9.for10.healthier.阅读理解 【导学号：28422061】AThe koala，one of Australia's most treasured creatures，is in trouble.Affected by habitat 栖居地 loss and climate change，like many other unique Australian animals，koalas are being squeezed into smaller regions.But at present，it is a deadly disease，a so

7、mewhat silent killer that causes a further decline in the koala population，that is worrying many scientists about the fate of the koala.The killer is Chlamydia，which has caused symptoms in up to 50 percent of the wild koalas，with probably even more infected 感染 but not showing symptoms.It has been pa

8、rticularly severe in Queensland，where nearly all koalas are infected.The disease causes many symptoms including eye infections，which can lead to blindness，making it difficult for them to find their primary food.Treating Chlamydia in wild koalas is a challenge.There is no treatment available for itOn

9、ly a small percentage of the animals can be treated successfully and returned to the wild.Besides，there is no national plan in Australia to save the koala；it is up to each region to make management plans for its koala population.The good news is that researchers are working to test a vaccine 疫苗 that

10、 would help prevent further spread.If all goes well，plans can be carried out to distribute the vaccine more widely.But it's impossible to vaccinate all wild koalas.Another possibility would be to make vaccine distribution a routine part of treatment for the thousands of koalas brought into care

11、centers every year after they are injured by cars or dogs.While it is a combination of problems that are affecting the wild koala population，many experts believe this vaccine would be an important step in helping koalas survive longer.It may buy enough time to give researchers a chance to solve some

12、 of the other problems facing Australia's koalas.【语篇解读】本文主要介绍澳大利亚的珍贵动物之一考拉如今处于困境之中。1Which isn't considered the main cause of koala's population decline? AA deadly disease.BInjuries from cars and dogs.CClimate change.DHabitat loss.【解析】推理判断题。第二段提到“Affected by habitat 栖居地 loss and climate c

13、hange以及后面提到的“deadly disease可知选B。【答案】B2The third paragraph mainly tells us Athe serious result Chlamydia has caused to the koalaBChlamydia affected the koala only in particular regionsCthe most serious symptom of Chlamydia is eye infectionsDChlamydia can seriously affect koala's primary food【解析】主

14、旨大意题。根据第三段表达可知主要表达了这种疾病给考拉造成的后果。【答案】A3The underlined word “it in the fourth paragraph probably refers to Athe koalaBChlamydiaCnational plan Deye infection 【解析】词义猜测题。根据上一句的表达可知是“Chlamydia。【答案】B4We can learn from the text that the vaccine Awould cure the killer Chlamydia quite effectivelyBwould only b

15、e distributed in koala care centersChas already been put into practical use in AustraliaDcannot be distributed to all the infected koalas【解析】推理判断题。根据第五段最后一句“But it's impossible to vaccinate all wild koalas.可知D正确。【答案】DBAustralians have been warned they face a life or death decision over their wat

16、er­drink recycled sewage or die.With the drought continuing，the country is set to be forced to use purified waste water for drinking，even though there is great opposition to the measure.Queensland has become the first state to introduce the policy after a warning from its premier.“I think in th

17、e end，because of the drought，all of Australia is going to end up drinking recycled purified water，said Peter Beattie.“These are difficult decisions，but you either drink water or you die.There's no choice.It's liquid gold；it's a matter of life and death.Beattie said Australia's second

18、 largest state would become the first to use recycled water for drinking.Water is recycled in Britain and parts of northern Europe along with the US.and Israel.But Australians have never liked the idea.To try to change the way Australians think，Prime Minister John Howard and Environment Minister Mal

19、colm Turnbull have backed Queensland's move.“I am very strongly in favor of recycling and Mr.Beattie is right and I agree with him completely，Howard said.Turnbull added that Australian cities，all now facing water shortages because of the worst drought on record，must start to use recycled water.“

20、All of our big cities have to widen the range of water sources to include sources which are not dependent on rainfall，he said.【语篇解读】本文主要介绍澳大利亚城市面临水资源缺乏的问题。5Water is recycled in the following countries EXCEPT .AAustralia BU.S.CIsrael DBritain【解析】细节理解题。根据第三段提到的“Water is recycled in Britain and parts of northern Europe along with the US.and Israel.可以排除其他三项。【答案】A6Which of the following is TRUE?AQueensland is the biggest state of Australia.BThe drought is getting more and more serious in Australia.CPeople in the US