高考英语一轮复习课时作业43 Module 1　Deep South 外研版选修8.doc

课时作业(四十三)顺序选修8module 1deep south限时：35分钟.单项填空1in the crosslake swimming race, a boat will be _ in case of emergency. astanding by bturning oncgetting on dgoing off2its the dialogue that is needed to _ the understanding and trust between the two nations.aencourage bpromote cinfluence dmaintain3youd sound a lot more polite if you make a request _ a question. ain search of bin the form ofcin need of din the direction of4the red flag looks extremely beautiful_the blue sky and white clouds. athrough bagainst cacross dbeyond5. our daughter is a great dancer. she_above the rest. asticks out bsticks to cstands for dstands out6. suharto, the former president of indonesia, is in a poor _ of health, which worries the whole nation. aposition bsituationcstate dcondition7the house was sold for 60, 000 dollars, which was far more than its real_. acost bvalue cprice dworth8i always take something to read when i go to the doctors _ i have to wait.ain case bso thatcin order das if9if tom carries on working like this, hell _ sooner or later. abreak down bgive outcget down dhold on10i wonder if she will show up at the concert. she will. she is only too _ to watch the famous director. aanxious bproudcinterested dsatisfied.完形填空when my son, mark, was in the third grade, he set aside all his allowance for over two months to buy holiday presents for those he loved. he had _11_ twenty dollars. the third saturday in december mark _12_ that he had made a list and had his money in his pocket. i drove him to a local drug store, the modern version of _13_ we used to call the “five and dime”. mark _14_ a hand basket and went off on his own while i waited _15_ at the front of the store. it took mark over 45 minutes to _16_ his presents. the smile on his face as he _17_ the checkout counter was truly joyful. the clerk rang up his _18_ as i politely looked the other way. mark kept within his budget and reached into his pocket for his money. it was not there. there was a hole in his pocket, _19_ no money. mark stood in the middle of the store holding his basket, tears_20_ his cheeks. then an amazing thing happened. a _21_ in the store came up to mark. she _22_ to his level and took him in her arms and said, “you would do me the greatest _23_ if you let me replace your money. it would be the most wonderful present you could ever give me. i only ask that one day you _24_ it on. one day, _25_ you grow up, i would like you to _26_ someone you can help. when you do help other persons, i know you will feel as _27_ about it as i do now.” mark took the money, tried to dry his tears and ran to the checkout counter as fast as he could go. i think we all enjoyed our _28_ that year almost as much as mark enjoyed giving them to us. i would like to say “thank you” to that _29_ woman. i would like to tell her that four years later mark went house to house _30_ blankets and coats for the people in the oakland fire and he thought of her. 11a.made bsavedcearned dpaid12a.declared bmentioned cannounced drecognized13a.which bthat cwhat dwhere14a.picked up bbrought up cpulled up dbuilt up15a.happily beagerly ccarefully dpatiently16a.pick out bpick up cpick off dsend out17a.left bapproached cescaped dseated 18a.allowance bpurchases cmoney dperformance19a.and bso cbut dthen20a.coming down bbreaking downcgetting down drolling down21a.man bteacherccustomer dwaiter22a.knelt down bturned down clooked down dsettled down23a.service bfavorcharm dgood24a.transplant bprovide cpass dsupply 25a.when bif cwhile deven though26a.meet bshare cfind dask27a.wise bgood chonest dfriendly28a.gifts bthings chelps dlives29a.impossible binevitablecindividual dincredible30a.donating bcollecting cfetching dpurchasing.阅读理解athere are several advantages in planting trees: they firm the soil, soak up(吸收) extra water and take carbon dioxide out of the atmosphere. however, it now turns out that planting trees could add to global warming. we all know that tree roots do a great job of keeping soil firmly on the ground and out of the winds power. the problem is that some of the dust clouds play an important part in soaking up carbon dioxide. huge dust storms blow out over the oceans from dry parts of north africa and central asia.tons of dust are lifted and left as a thin film over the ocean surface. dust from china is carried east and left in the pacific ocean. if a treeplanting programme is successful and the dust supply reduced, the next result may be that less carbon dioxide gets locked away in the ocean. andy, an environmental scientist, has spent the past few years studying dust and says his work shows clearly the complexity of the system. for this reason the need is to focus on cutting carbon dioxide giving off rather than doing anything else. robert, an american scientist, has shown that when native grassland areas are invaded by trees, carbon is lost from the soil. “we are studying why the soil carbon disappears, but one theory is that trees do a lot more of their growing above ground compared to grass, so less carbon goes directly into the soil from trees.” said robert. in wet areas of the world, the gain from trees absorbing carbon dioxide above ground seems to be outweighed by the loss of carbon from the soil below ground. countries that plan to fight against global warming by planting trees may have to think again. solutions to environmental problems are often more complex than they first appear, and understanding the earths climate is a very great challenge. 31people usually hold the opinion that_. ahuge dust storms can destroy carbon dioxide bplanting trees could reduce global warmingchuge dust storms can destroy the oceans on the earth dplanting trees is the only way to control huge dust storms32andy, an environmental scientist, believes that_. aenvironmental problems are more complex than expectedbtrees shouldnt have been planted in dry places cdust plays a more important part than trees dcarbon dioxide is harmful to everything33roberts experiment proves that_. atrees absorb more carbon than grassbcarbon can turn grass into dust cless carbon can make trees grow fasterdgrassland areas should be covered by forests34the best title for this passage is “_”. athe importance of planting trees bthe dust clouds soak up carbon dioxidecis it really useful to plant trees to reduce global warming?dwhy the soil carbon disappears?bthe north and south poles are remote and freezing places that receive lots of animal visitors but few human tourists.but even if you never plan to visit the polar bears in the north or penguins in the south, now is a perfect time to start thinking about them.thats because 2007 marks the beginning of the international polar year (ipy), a twoyearold activity of science projects that aim to show how important the poles are to the health of our planet.during the ipy, which lasted until march 2009, thousands of researchers from more than 60 countries conducted more than 200 projects and expeditions(远征) to both the top and bottom of the world.in recent years, the polar regions have begun to change severely as a result of global warming.temperatures there are rising faster than anywhere else on the earth.as a result, the ice and snow in these regions are melting(融化) at recordsetting rates.one result is that sea levels are rising around the world, putting animals and people at risk.only by studying the poles, say ipy researchers, can we find ways to protect them and ourselves.both the arctic and the antarctic are cold and remote, but the two regions have important differences.for one thing, the arctic is an icecovered ocean surrounded by land.the antarctic, on the other hand, is a continent of icecovered land surrounded by water.most polar studies have focused on the arctic, and that is where scientists have observed the most remarkable changes in the ice.during a typical year, arctic ice expands(扩大) in the winter and shrinks(缩小) in the summer.but recently, the amount of ice covering the ocean has been steadily dropping in both seasons.35which of the following might