【正文】
About half of the oxygen on Earth es from the ocean. However, mixed effects of nutrient loading and climate change are greatly increasing the number and size of dead zones in the open ocean and the near coast waters, where oxygen is too low to support most sea life. In the areas traditionally called dead zones, like those in Chesapeake Bay and the Gulf of Mexico, oxygen drops to levels so low that many animals have trouble in breathing and die. As fishes run away from these zones, their living areas bee smaller and smaller. But the problem goes far beyond dead zones. Even smaller oxygen drops can hold up the growth in animals and lead to disease or even death. Low oxygen also can cause the release of dangerous chemicals. Although a few animals can grow well in dead zones, overall biodiversity(多樣性)falls.(1)How to stop the drop of ocean oxygen in the article? A.By controlling in both climate change and nutrient pollution around the world.B.By taking a deep look at the causes, results and solutions to low oxygen worldwide.C.By running away from these zones, for the living areas bee smaller and smaller.D.By cutting down the number of animals in the oceans.(2)Why are these waters called dead zones from the article? A.Because the oxygen in these areas is too low for most sea life to live.B.Because nutrient loading and climate change are greatly increasing.C.Because there are no animals living in these areas.D.Because low oxygen also can cause the release of dangerous chemicals.(3)Which of the following statements is TRUE according to the article? A.Only a few animals living in the sea need oxygen.B.Climate change can help cut down the dead zones.C.Fishes grow faster and better in low oxygen areas.D.Human activities have many serious effects on ocean environment.【答案】 (1)A(2)A(3)D 【解析】【分析】本文是介紹了世界海洋正處于極大的危險(xiǎn)之中。 (1)細(xì)節(jié)題。根據(jù)To stop the drop, the world needs to control in both climate change and nutrient(養(yǎng)分) pollution可知,通過控制全球氣候變化和營(yíng)養(yǎng)污染阻止海洋氧氣的下降 ,故選A。 (2)細(xì)節(jié)題。根據(jù)like those in Chesapeake Bay and the Gulf of Mexico, oxygen drops to levels so low that many animals have trouble in breathing and die,可知稱這些水域?yàn)椤八绤^(qū)”是因?yàn)檫@些地區(qū)的氧氣太低,大多數(shù)海洋生物無法生存 ,故選A。 (3)細(xì)節(jié)題。根據(jù)The drop in ocean oxygen is among the most serious effects of human activities on the Earth39。s , 人類活動(dòng)對(duì)海洋環(huán)境有許多嚴(yán)重影響正確 , 故選D。 【點(diǎn)評(píng)】考查閱讀理解。本文涉及細(xì)節(jié)題,細(xì)節(jié)題要注意從文中尋找答案。9.閱讀理解 Nowadays lots of kids are at home alone after school. Are you one of them? Kids who regularly take care of themselves are called latchkey kids. This nickname got its start in the 1940s. Many men fought in the Second World War and women had to take jobs in factories to keep the country going. With both parents away, lots of kids went back to empty houses after school. Latchkey kids wore house keys around their necks and they used the keys to open doors. Today, it39。s mon for both parents to work. As a result, a new generation of kids are spending some time alone after school. It bees necessary for both parents and kids to make some rules. There are a lot of questions to talk about: Should you call your mum, or dad as soon as you get home? Should you do your homework first? Can you watch TV or play puter games? If so, how long? What can you eat if you want a snack? Can friends e over? If so, how many?…… As latchkey kids, knowing how to stay safe is just as important as following the family rules. Talk about the following questions with your parents: What should you do when the phone rings? What should you do if someone knocks at the door? What should you do if someone breaks into the house? What should you do if you cut yourself while cooking?…… You may feel when you are at home alone. Don39。t worry. Keeping yourself busy is helpful. There are many things which can make you feel that time goes by quickly: ●Read a magazine. ●Write an . ●Phone a friend.(1)Latchkey kids _________________. A.like collecting keysB.live with their grandparentsC.have parttime jobs in factoriesD.regularly stay at home alone after school(2)How many pieces of advice does the writer give to latchkey kids? A.TwoB.ThreeC.FourD.Five(3)Which of the following can be put in ? A.Can you have your hair cut?B.Should you go to school on foot?C.Can you go out? If so, where?D.Can you ask teachers for help at school?(4)Which of the following can be put in ? A.boredB.excitedC.relaxedD.pleased(5)The writer probably agrees that __________. A.there39。s no need to make family rulesB.latchkey kids should learn to protect themselvesC.time passes slowly when latchkey kids are busyD.parents should never leave their kids alone at home【答案】 (1)D(2)B(3)C(4)A(5)B 【解析】【分析】本文介紹了獨(dú)自在家的孩子,在家時(shí)應(yīng)該怎么做。 (1)細(xì)節(jié)題。根據(jù) Nowadays lots of kids are at home alone after school. Are you one of them? Kids who regularly take care of themselves are called latchkey kids 現(xiàn)在許多孩子放學(xué)后獨(dú)自在家。你是他們中的一員嗎?經(jīng)常照顧自己的孩子被稱為“鑰匙孩子” 可知, 鑰匙兒童放學(xué)后經(jīng)常獨(dú)自呆在家里,故選D。 (2)細(xì)節(jié)題。根據(jù) Read a magazine. ●Write an . ●Phone a friend 閱讀雜志?!駥懸环怆娮余]件?!窠o朋友打電話知, 作者給了鑰匙兒童3個(gè)建議,故選B。 (3)推理題。根據(jù) Can friends e over? If so, how many? ,可知 你能出去嗎?如果是,在哪里 Can you go out? If so, where? 適合放在橫線處,都是條件狀語從句的省略形式,故選C。 (4)細(xì)節(jié)題。根據(jù) Don39。t worry. Keeping yourself busy is helpful. 別擔(dān)心。讓自己忙碌是有幫助的 可知,此處是個(gè)負(fù)面情緒的形容詞,A無聊的,B激動(dòng)的,C放松的,D高興的,bored適合放在橫線處,故選A。 (5)細(xì)節(jié)題。根據(jù) As latchkey kids, knowing how to stay safe is just as