Not until my first book was put on the top 10 list________ writing could really make a difference in

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• 用以下三种水：1蒸馏水，2河水，3稻田中的水分别培养同样大小的番茄幼苗，一段时间后，幼苗的高度可能是[]A．1最高B．2最高C．3最高D．4三者一样高-七年级生物
• 植株特别矮小，叶片呈暗绿色，并出现紫色，这种症状可能是缺乏含什么元素的无机盐[]A．铁B．磷C．钾D．氮-八年级生物
• Smith was overweight, so the doctor urged that not only _______ have less fat and meat,but also he _
• 含氮的无机盐对植物生活的作用[]A．促进细胞的分裂和生长，使枝叶长得繁茂B．促进幼苗的发育和花的开放C．使果实及种子的成熟提早D．使茎杆健壮，促进淀粉的形成-七年级生物
• The computer was used in teaching.As a result，not only ________，but students became more interested
• __________, they couldn’t make their head teacher change her mind.A．Whatever hard they tryB．No matte
• (2013·高考湖南卷)Every day________a proverb aloud several times until you have it memorized.A．readB．readi
• (2013·高考浙江卷)There are some health problems that，when ________ in time，can become bigger ones later o
• 为确定某种无机盐是否是植物所必需的，实验组用缺少该无机盐的“完全营养液”进行培养，应该[]A．以土壤为基质盆栽，浇上述营养液B．大田种植，浇上述营养液C．以沙土为基质盆栽，-七年级生物
• 大白菜生长过程中，需要量最多的无机盐是[]A．含铁的无机盐B．含钾的无机盐C．含磷的无机盐D．含氮的无机盐-七年级生物
• While I was looking through the news online，＿．A．did a video of a lovely bear come up B．did come up a
• At the foot of the mountain _____. [ ]A. a village lie B. lies a village C. does a village lie D. ly
• 将几节废电池破碎，浸泡在500毫升的清水中一昼夜，滤去残渣得浸出液，取甲乙两只试管，甲管盛有肥沃土壤的浸出液，乙管盛废电池浸出液，各培养一棵大小相同的健壮幼苗。根据-七年级生物
• 糖拌番茄会出现许多水，这是因为[]A．番茄细胞液的浓度大于周围溶液的浓度，细胞吸水B．番茄细胞液的浓度小于周围溶液的浓度，细胞吸水C．番茄细胞液的浓度大于周围溶液的浓度，-七年级生物
• Some of you may have finished Unit One.________，you can go on to Unit Two.A．If you mayB．If you doC．I
• ---What do you think of the film? ---Cool! Never before _____ a better one.A．had I seenB．I have seen
• (2013·高考新课标全国卷Ⅰ)The driver wanted to park his car near the roadside but was asked by the police_____
• 植物体正常生活需要量最大的无机盐是[]A．氮、磷、钾B．镁、钙、铁C．氮、磷、铁D．硼、磷、锌-七年级生物
• 肥料的作用主要是给植物的生长提供无机盐。[]-七年级生物
• 有位菜农收获了一个重5公斤的大萝卜，促进这个萝卜生长迅速的物质主要来自土壤中的[]A．氮肥B．磷肥C．钾肥D．硼肥-八年级生物
• These problems, ________, will seriously affect the growth of teenagers and even the nation’s future
• _____ , his idea was accepted by all the people at the meeting.A．Strange as might if soundB．As it mi
• ________ when your ticket has been checked will you be allowed to take the plane.A．JustB．OnlyC．Still
• 植物可以进行无土栽培的原因是[]A．植物的根吸收的只是水和无机盐B．土壤对植物生长没有作用C．植物的根吸收的不是土壤中的无机盐D．根只吸收水-七年级生物
• Little ________ that we were watching his every move，so he seemed to be going his own way in this bu
• No sooner______ themselves in their seats in the hall than the speaker began his speech.A．they settl
• (2013·高考新课标全国卷Ⅱ)It was only after he had read the papers ________Mr.Gross realized the task before h
• 农谚说：“有收无收在于水，收多收少在于肥”。这说明植物生长需要[]A．水和无机盐B．有机物C．维生素D．适宜的温度-七年级生物
• 根吸收的无机盐主要来自于[]A．雨水中B．灌溉的水中C．土壤溶液中D．土壤颗粒中-七年级生物
• 植物生长过程中，需要量最大的无机盐是含[]A．硼、铜、氮B．钾、硼、铁C．铁、磷、锌D．氮、磷、钾-七年级生物
• Generally speaking, if ______ strictly following the instructions, the electric bike is not as dange
• 参观沈阳世博园的同学对几株上面结满了巨大番茄的“番茄树”啧啧称奇，这些“番茄树”不是种植在土壤里，而是种植在富含营养液的水箱里。采用的这项生物技术是[]A．组织培养B．无土-七年级生物
• 无土栽培就是用人工配制的营养液培育植物的方法。配制植物营养液是根据[]A．光合作用需要水的道理B．植物生长发育过程需要无机盐的道理C．植物根系呼吸需要水中溶解氧的道理D．植-八年级生物
• I've tried very hard to improve my English.But by no means ________ with my progress.A．the teac
• He jumped at the opportunity when he saw the advertisement in a newspaper，because barely ________ ma
• Every evening after dinner，if not ________ from work，I will spend some time walking my dog.A．being t
• 给庄稼施肥主要是给植物的生长提供无机盐。[]-七年级生物
• (2013·高考江西卷)Only when he apologizes for his rudeness________to him again.A．I will speakB．will I spea
• 农田一次施肥过多，会引起“烧苗”的原因是[]A．化肥过多，土壤温度升高B．土壤溶液浓度大于植物细胞液浓度C．土壤溶液浓度小于植物细胞液浓度D．土壤溶液浓度等于植物细胞液浓度-八年级生物
• Next door to ours ______, who has achieved much in physics.A．where lives an old scientistB．where do
• On the National Day, up _____ into the air. Then the crowed cheered.A．the balloons wentB．went the ba
• 用以下三种水（①蒸馏水②河水③稻田中的浑水）分别培养同样大小的番茄苗，一个月之后，幼苗的高度可能是[]A．①②③同样高B．①最高，②次之，③最矮C．①②一样，③最矮D．③最高，②次之，①最-七年级生物
• 某同学在三个地点考察同一种植物的根系分布情况，绘制根系分布图如下。(1)该植物的根系属于那种类型？(2)这三种分布情况可能受哪种因素的影响？(3)试推测三个地方该植物根系不-七年级生物
• —Did Linda see the traffic accident?—No，no sooner ________ than it happened.A．had she goneB．she had
• 植物生长需要无机盐，因此植物生长离不开土壤。[]-七年级生物
• 一次施肥过多，会导致植物出现“烧苗”现象，原因是[]A．根细胞吸水过多B．根细胞失水过多C．根细胞吸收无机盐过多D．根细胞吸收无机盐过少-七年级生物
• 将2株大小一样、发育相同的健壮大豆苗A、B，分别在加土的雨水和雨水中培养，经过一段时间，A、B两株植物在长势和重量上的差别很大，结果如下表：(1)植株重量增加的重要原因，-七年级生物
• (2013·高考湖南卷)Not once________to Michael that he could one day become a top student in his class.A．occ
• 将有些萎蔫的青菜用清水浸泡一段时间后，会发现它硬挺了些，这是因为[]A．细胞吸水胀大B．细胞失水，细胞之间变紧密C．细胞壁加厚D．细胞活动旺盛-八年级生物
• Not until the woman was out of work again two months ago _______ going to attend a training class. A