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①--It was careless of you to have left your clothes outside all night.--My god!I______________.A.So did I.B.So I did.C.So were you.D.So did you.②I don't like ____at me .A.them laughingB.their laughC.them laughD.them to have laughed要理由.答 You may give the dictionary to ____you think needs it neccessarilyA.whomever B.whom C.whichever D.whoever为什么不可以选A 这道题的关系词不是做think的宾语吗? I'll go with you after I get through with____the house.A.cleaningB.to cleaningC.to be cleanedD.having cleaned为什么.还有get through with doing sth这个词组有吗?怎么用的. I told Sally how to get there,but perhaps I ( ) for her.A.must have written it outB,had to write it outC.ought to write it outD.should have wriiten it out.为什么? （5x-12):(x+12)=7:5 计算 x+7/5x=5/12 (7/5)×(X+12)=5x-12我急用。 一个直角梯形,上底1厘米,下底2厘米,高3厘米,讲在图中画一条线段,使其变成形状相同,面积相等的两个四 高中英语选择题分析The problem __________tomorrow is related to the rising prices of the housesA discussed Bto be discussed C discessing D being disscussed各选项详细分析,谢了 1/The doctor advised my father to build up his _____after the operation by running slowly for half an hour every day.A\energy B\strength C\force D\power 选B 为什么?（下同）2、---Mr Green _____at 8.00 for the important meeting ,but he hasn't _______ in the cage for half a day ,the bird became hungryA .Being kept B.Kept C.Having been kept D.Have been kept The form needs—— in inkA filling B to fill in C being filled in D to be filledThought it sounds a bit too dear ,it is well worth ——A being bought B bought C buying D to be bouthg要死了要死了！我们老师说第一题选A A选项我少 把平行四边形非成面积相等的2部分,有几种分法.不经过对角线的交点行吗?不是非成是分成 在平行四边形的纸片对折一次,使的横折平分平行四边形面积的一半的折法有几种a.1b.2c.3d.无数种 平行四边形面积有几种求法?.) 平分一个平行四边形,使每一份是整个平行四边形的25%.有几种分法?1、省略的人byebye.2、请说明共有几种并都画出来（用画图吧很简单） x+(x-1.4)+1.5x=33. （希望有解析）This cloth ____well and _____long .A washed,lastsB is washed,lastedC washed,is lastedD is washing,lasting (要有解析的, In our factory there are 2,000 workers,two thirds of ____are women.A.them B.which C.whom D.who为嘛不能选B呢? 一道高中英语选择题,求详解Teaching,I think ,is a satisfying career,______ most people admire nowadays.A,that B.one C.it D.what答案选B.one 为什么不可以选C.it 呢 一块梯形钢板,上底和下底的和是70厘米,面积是700平方厘米,高是多少厘米?急……………… Come and see me whenever _______A.you are convenient B.you'll be convenientC.it is convenient to you D.it will be convenient to you选择哪个分析一下各个选项, 以下题目按我问的回答,1.In the survey they listed twelve kinds of food _______would affect the work of the brain． A．which the experts believed B．that were believed C．the experts believed that D．the experts believed 问：①B为什 只有三道选择题说思路也最好 最好事五年级的. 1.My mother had me______the house the whole afternoonA.clean B.cleaning C.cleaned D.to cleaning2.It is time for us to go to school .We must be______nowA.leave B.left C.off D.away3.How does it ________that you are here,and not in LondonA.come about B. 构成双链DNA的碱基有4种,下列哪项碱基数量比因生物的种类不同而不同（ ）A,(A+G)/(T+C) B,(A+C)/(T+G) C,(A+T)/(G+C) D,A/T 分析下图,以下表述正确A+B糖+C磷酸→D脱氧核苷酸→E多核苷酸链→F DAN+G→H染色体A：图中A代表五种碱基,B代表两种五碳糖,G代表蛋白质B：DNA聚合酶能催化A,B,C合成DC：在减2分裂中期,E：F：H的 6．全国政协委员罗援少将表示：“应高度重视国家生物安全问题,警惕转基因物种的无序迅速扩散和外国插手中国疫苗生产过程,警惕敌国以转基因物种和特种疫苗等为武器,针对中国人口发动 下列有关生物技术说法,正确A、DNA粗提取时,用体积分数为95%冷却酒精进一步纯化DNAB、制作果醋是应避免通入空气以保证有关菌种正常代谢C、制作果酒时应反复冲洗葡萄以避免杂菌影响D、测 几道生物选择题,最好有解析．1.下列有关糖类生理作用的叙述,错误的是（ ） A．核糖和脱氧核糖是核糖的组成成分之一 B．葡萄糖是重要能源物质 C．淀粉和糖元是各种生物体的储备能源物 一块正方形的钢板,周长是9/8米,它的面积是（ ）平方分米.