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1、外研版选择性必修第四册Unit 5课文重难点过关.单词拼写1It is widely known that washing wool in hot water will make it _（缩小）.2There is no denying that soil consists of various chemical _（物质）.3I dont want to go there；_(而且)，I have no time to do so.4“I have already got a job，” I said politely and _(退出) from the room.5After a lo
2、ng chase，the police car finally caught up with the _(逃跑的) car.6Professors are in favor of the pupils good at _(探究) deeper in their majors.7Having _(克制) his rising anger，he closed the door and quietly.8It is reported that these_(考古的) findings made last year are quite .9They promise they will take app
3、ropriate action once the_(调查) are over.10Rescue workers are still _(钻) holes on the north of the mine trying to save the miners out.1.shrink 2 substances 3 furthermore 4 retreated 5getaway 6 delving 7 subdued 8 archaeological 9 investigations 10 drilling.选词填空下面的短文是P5657的课文改写，请从下表中选择合适的词汇并用其适当的形式完成此文
4、。Although we have had more 12._ maps of the universe，we still have limited knowledge of the sea bed under the 13._waters of the oceans.In reality，there 14._ life in the dark zones of the oceans,15._ the high pressure，darkness，and extreme cold.16. _，the oceans are a valuable source of natural 17._.Wi
5、th international 18._，humans are diving deeper and deeper into the oceans with the help of modern vessels,19._ deep-sea exploration into a whole new era.12.detailed13 vast 14 exists 15 despite16 Furthermore 17 resources 18 cooperation 19 taking.经典句式1分词位于句首的完全倒装句据估计，全世界的海底有300万艘沉船。2if省略结构今天，在“埃斯梅拉达”号
6、起航约500年后，我们的星球上几乎没有未被探索过的陆地。3过去分词短语作定语；现在分词短语作结果状语这些船只进行的研究使科学家们对海床的形成有了更深入的了解，并帮助确定了深海钻探的区域，使深海勘探进入了一个全新的时代。4as.as.和一样也许有一天，我们对海底世界会像对今天所走的陆地一样熟悉。1.Lying under waters across the globe are an estimated three million shipwrecks.2.Today，some 500 years after the Esmeralda set sail，there is littleif any
7、land on our planet left unexplored.3.The research conducted by these vessels is giving scientists a greater understanding of how the sea bed was formed，as well as helping identify areas for deep-sea drilling，taking deep-sea exploration into a whole new era.4.and the world beneath the waves may one d
8、ay be almost as familiar to us as the land we walk upon today.七选五Things You Can Do for the OceanThe ocean supports a global underwater circulation system of currents，which affects temperature and nutrient distribution. 1 .Its time for you to do something for the ocean.Be the best citizen of the ocea
9、n you can be by taking these simple steps today. 2 .The Monterey Bay Aquarium has made it easy to choose ocean-friendly seafood wherever you live or travel.You can visit their site to determine the pocket guide.And try to carry a reusable cup when travelling.More than 200 billion pounds of plastic i
10、s produced in the world every year and about 10% of it ends up in the ocean! 3 .You can also make your efforts to reduce the plastic waste by travelling with your own cup.Leave it better than you found it and reduce water pollution.Leave natural areas and beaches better than you found them. 4 ，or ge
11、t together with like-minded members of your community by participating in a local beach clean-up.Reducing water pollution is also beneficial to protecting the ocean.There are simple things you can do to reduce water pollution locally and impact water quality globally. 5 .You should correctly deal wi
12、th dangerous materials.Moreover，you should use native plants and natural fertilizers，and be mindful when washing your vehicle.AAnd this in turn affects ultimately human lifeBThe ocean pollution has been a serious problemCEat sustainable seafood and carry a reusable cupDBring a small bag and pick the rubbish along the wayEYou should not eat at the restaurants selling wild animalsFYou should use poisonless household products whenever possibleGRefusing bottled water is an effective way to reduce the waste stream of plastic1A2C3G4D5F