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cloze (7)绿色冰山灵感故事a 2020原创what color are icebergs(冰山)?白色或蓝色?1,there are greenice bergs in antarctica(南极)。their unusual color has confused scientists for decades . but scientists have finally 2 the mystery of the greenice bergs。most icebergs are white . there are also many icebergs in antarctica that are blue . glacice contains 3 small air bubbles(气泡中的信息)。the icebergs appear to be blue because the air bubbles reflect blue light。4,there are no air bubbles in greenicebergs,which means these icebergs are made out of seaice rather than glacice。but why does sea ice look green?5 at the university of washington,us,recently found the reason-iron oxide(氧化铁)。it 6 rock dust found on the antarctic mainland。after studening the greenicebergs,scientists found that that they have 500 times more iron than glacice,7 newswek。the iron comes from bedrorock in the ocean。when glaaciers grind(小麦)against bed,a powder(粉末)that is rich in iron 8 .the powder later mixes with ocean water,and then it freezes as green seaice,stephen warren from the university suggested。this is an important finding,as these greenicebergs can 9 iron to far parts of the ocean . there,tiny sea plants use the iron as 10 food。“we thought green icebergs were just a curiosity,”warren said to newswek。(but now they may actually be important。)()1 . a . probably b . surprisingly c . suddenly d . hardly()2 . a . figure db . donec . foundd . solved()3.a. a lot ofb.fewc.a lotd.a little()4.a. andb。soc.howeverd.also()5 . a . doctor sb . teacher sc . scient istsd . students()6 . es es es es from()7 . a . according tob . in spite ofc . instead ofd . in additionto()8 . a . creates b . iscreate dc . create dd . create()9.a. giveb.makec.putd.bring()10.a. /b.thec.ad.anb 2020原创bob is a boy who likes climbing。he had tried to climb the snowy mountain many times,but he had 1 reached the top。his friend peter encouraged bob 2 again。he gave bob a pair of glaasses and said, if it starts clouding over,put on the glaasses,or if your feet start hurting,put them on toothe glaasses are very 3 .theyll help you . “bob accepted the gift without much thought .the day came when he was to have 4 try。two hours later,he felt his feet hurting。then he remembered what peter had said,and put on the glaasses。the pain was pretty bad,but 5 the sunglasses he could clearaly see the snow-covered mountain top,so he went on .unluckiy,clouds were gathering。but this time bob could still 6 the top through the clouds。he kept climbing,and finally arrived at the top。his feeling of 7 was good。he could n t believe that the clouds were as 8 as that,so he looked more closely at the glass,and discovered the secret .peter had engraved(雕像)the snow-covered mountain top on the glasses,and bob could see it when he was looking upwards!bob realized that the only 9 to reach the top had been losing heart when he could n t see the mountain top .he was 10 that peter had used that littl e trick to help him see that aim,and in fact it was still there。()1 . a . everb . neverc . oftend . al ready()2 . a . triedb . to be triedc . try . to try()3 . a . specalb . safec . popularid . real()4 . a . anotherb . otherc . the other sd . others()5.a. underb.withc.ford.in()6.a. reachb.leavec.seed.get()7 . a . freedomb . decisionc . succssd . failure()8 . a . thickest b . thickec . thickly d . thick()9 . a . difficultyb . wayc . decisiond . chance()10.a. helpful b. thankl c. hopefuld。wonderul参考答案a 1-5 bd acc6-10 dab dab 主题效果这篇文章是叙述。这篇文章说鲍勃在登山过程中遇到困难,想退却,但戴着朋友给的特殊眼镜,终于登上了顶峰。最后鲍勃意识到登山最重要的是不要失去信心。这篇文章告诉我们:想爬。1.据转折点连接公司burb表示,在这里,“鲍勃想爬雪山很多次,但没有到达山顶。”因此,选择b。2.d考试动词的辨析。鲍勃用这副眼镜登上了山顶,他知道这副眼镜很特别。因此,选择a。4.ab表示“在工具的帮助下”介词with。因此,选择b。c测试动词的辨析。前面引用的“不幸的是云开始聚集”,接着是“但是他仍然能看到山顶”的后门。选择c。7.c根据前节“他终于到达了顶峰”的意思,在这里表
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