People say that the Englishman's home is his castle, _____ means that the home is very importan

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• 有些植物的根和茎中也含有大量的有机物．______．（判断对错）-七年级生物
• 为了发展农业经济，致富奔小康，养鸡专业户王大伯2004年养了2000只鸡，上市前，他随机抽取了10只鸡，称得重量统计如下表：估计这批鸡的总重量为（）kg。（用科学记数法表示）-七年级数学
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• 某镇的张老板为了回报社会，准备办一个敬老院，为此，他随机调查了该镇100人的年龄情况，具体数据如下表所示（年龄为整数）因此，他估计该镇20000人中，60岁（含60岁）以上的人约-七年级数学
• Feeding a large family,_____ did hard physical work every day, required a lot of food.[ ]A. all of m
• The famous scientist,_____ a dinner party will be held tonight, is to arrive soon.[ ]A. in honor or
• Let’s put off the picnic until next week, _______the weather may be better.[ ]A. then B. ifC. asD. w
• Steve Jobs, co-founder of Apple, died last month at the age of fifty-six, _______ brought a great lo
• The beautiful town, _____ we spent our summer vacation last year , lies at the foot of a mountain. [
• 导管的功能是（）A．由上向下输导水分和无机盐B．输导各种体内营养物质C．输导有机物D．由下向上输导水分和无机盐-七年级生物
• 根的生长一方面靠______细胞分裂增加细胞的数量，一方面要靠______细胞生长使细胞体积不断增大．-七年级生物
• 根吸收来的水分和无机盐，通过茎里的______向上运输的；叶制造的有机物则是通过茎里的______向下运输的．-七年级生物
• 为了估计池塘里有多少条鱼，先从池溏里捕捞100条鱼做上记号，然后放回池塘里去，经过一段时间，待有标记的鱼完全混合于鱼群后，第二次再捕捞300条鱼，若其中有15条有标记，那-九年级数学
• _____is known to all,China will be an_____ and powerful country in 20 or 30 years' time. [ ]A.
• _________we all know, Americans are competitive.A．AsB．WhichC．WhatD．That-高三英语
• Just like a voyage at sea, our life, ______ days are limited, is full of uncertainties. [ ]A. whichB
• I lost a book, _____ I can't remember now. [ ]A. whose title B. its title C. the title of it D.
• He made another wonderful discovery, ________ of great importance to science.[ ]A．which I think isB．
• 2014年山东省运动会将在我市举办，为当好东道主，园林工人正美化、绿化济宁城，图所示正在给一些刚移栽的树木输液（主要成分是水和无机盐）．为提高树的成活率，你认为输液管的-生物
• The song In Spring has brought national fame to Xuriyanggang，________ won the second place in the 20
• 植物体中导管的作用是运输水和无机盐，运输方向是自______而______．-七年级生物
• 根能够不断生长的原因是（）A．分生区不断地增加新的细胞B．伸长区的细胞不断地伸长C．根冠不断地增加新细胞D．分生区细胞不断地分裂出新细胞，伸长区细胞不断地伸长-七年级生物
• 植物茎的结构中，具有输导功能的是（）A．木纤维B．韧皮纤维C．形成层D．导管和筛管-生物
• 植物体内水分的运输依靠导管，无机盐的运输依靠筛管．______．-生物
• At home, he never seems to have time until after 10:30 pm, ________ his children have gone to bed.[
• Clean water and fresh air are essential for our daily life, _______ we can't live.[ ]A. by whic
• 观察如图（1）图1表示______，其功能是______．（2）图2表示______，其功能是______．-七年级生物
• 橡胶树通过割皮可获得橡胶制品的原料--白色乳汁状的液体．若右图表示橡胶树茎的切面，请问乳白色的液体是从图中的什么部位流出来的（）A．a与cB．b与cC．aD．c-生物
• 茎中的导管是运输水分的管道，导管是由一个细胞构成的．______．-生物
• 下列说法不正确的是（）A．茎中的导管是运输水分和无机盐的管道，导管是由一个细胞构成的B．植物体内的有机物通过筛管运输C．气孔能张开与闭合，主要是通过保卫细胞来控制的D．蒸腾-生物
• Many grocery stores use misting, a process ________ vegetables are sprayed with water, to keep veget
• 植物运输水分和无机盐的主要器官是（）A．导管B．筛管C．根毛D．茎-七年级生物
• It was on July 1, 2006 ___ Qinghai-Tibet railway began operation, ____ is a symbolic project inChina
• 在绿色开花植物体内，运输水分和无机盐的是导管…______．-生物
• Huge amounts of oil have been found on the Gulf of Mexico floor, the effects of _____ are still bein
• "You'll have to wait for two hours, _____is, at about 11:30, _____ the medical report will
• 下列关于导管和筛管的叙述中，错误的是（）A．同位于根、茎、叶中B．同属于输导组织C．都有输导作用D．都是死细胞-生物
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• 把带叶的枝条插到红墨水中，放到温暖有阳光的地方，等叶脉变得微红时，取出枝条，用清水冲干净，用刀片横切茎，看到许多红色小圆点，这些小圆点存在于（）A．韧皮部B．树皮C．形成-七年级生物
• 植物运输水分的方向是（）A．由上往下B．由下往上C．由左往右D．由右往左-生物
• I shall never forget the days _____ I spent in Beijing University, _____ has a great effect on my li
• We would like to take this opportunity to thank our partners, without ________ we would not be able
• The engineer spoke highly of the government's efforts, _____he owed his safe return from Libya.
• We are getting our degree soon, _____also announces the end of our college life. [ ]A. that B. which
• Putting a candle in the window _____a traditional practice in many cultures, _____has a variety of m
• 导管是植物水分在______内的运输途径，每一根导管是由许多______、______的细胞组成，上下细胞间的______消失，形成了一根______的管道．植物根、茎、叶中的导管是______的，-
• Between the two parts of the concert is an interval，________ the audience can buy icecream.[ ]A．when
• There are quite a few good books here, some of _____I can recommend to my students. [ ]A. those B. t