Not until he failed the exam _______he had left his books untouched .A．did he realizeB．had he realiz

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• ---Did you see who the driver was?----No, so quickly ______ that I didn’t make out what his face was
• 有些植物如桃树、杏树在春天开花时，叶子尚未长出，开花时期植株需要的能量可能来自[]A．春天植株从土壤中吸收的无机盐B．春天植株从土壤中吸收的有机物C．花瓣利用太阳能进行的-七年级生物
• He changed so much that only when I looked closely________he was exactly my long lost friend.A．I rea
• 下列植物中，需要含氮的无机盐较多的是：[]A．菠菜B．大豆C．花生D．马铃薯-七年级生物
• ________about the result of the experiment，he still wants to give it a try．A．Uncertain as he isB．As
• 不同植物及同种植物的不同生长时期，需要的无机盐是不同的。[]-八年级生物
• 根据植物生活需要的无机盐的________、________和____配制营养液来栽培植物，就是无土栽培。-七年级生物
• 农作物栽培过程中，需要施用量最多的无机盐是[]A．含铁、锌、钙的无机盐B．含锌、铝、铜的无机盐C．含氮、磷、钙的无机盐D．含氮、磷、钾的无机盐-八年级生物
• Never______ such a difficult problem. It took me almost half an hour to work it out.A．had I come ac
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• Never before______ such a wonderful park, ______ I'd like to pay a visit again.A．had I seen; w
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• There are eight tips in Dr.Roger's lecture on sleep，and one of them is：________ to bed early un
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• 植物生活中，需要量最大的是含___的无机盐。[]A．钾、铁、锌B．氮、硼、铁C．钾、铜、镁D．氮、磷、钾-七年级生物
• 植物需要的无机盐[]A．由叶吸收B．主要由根吸收C．茎和根共同吸收D．根茎叶都可以吸收-八年级生物
• 植物生活需要多种无机盐，其中需要量最多的是________、________和________的无机盐。-七年级生物
• 根据植物生活需要无机盐的、和配制营养液，用营养液来栽培植物，这就是无土栽培。-七年级生物
• “Never for a second,” the boy told the reporter, “________ that my father would come to my rescue.”A
• The sign says that children are admitted only if ________ by an adult.A．to be accompaniedB．accompany
• (2013·中原名校联考)Not only ________ polluted but also ________ crowded.A．is the city；are the streetsB．the
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• seems to be a strong competition for students to enter a key university.A．ItB．There C．WhatD．That-高三英
• 下列蔬菜中需要含钾无机盐较多的是[]A．白菜B．番茄C．马铃薯D．芹菜-七年级生物
• Not until I read your letter ________ the true state of the affairs.A．did I understandB．had I unders
• ---Have you got any particular plans for the coming holiday? ---Yes._____, I’m going to visit some h
• (1)请你通过阅读报纸、杂志，查阅图书馆的资料或上网查询，访问长辈或花农等方式，完成下面的比较表(2)校园里的几株苏铁出现了叶片发黄、生长缓慢、植株弱的现象，请你帮忙诊-七年级生物
• 压条时，将入土部分的树皮划破，易促进生根的原因是[]A．有利于吸收水分B．有利于吸收无机盐C．有利于吸收各种营养物质D．有利于积蓄有机物-八年级生物
• Unsatisfied ________ with the payment, he took the job just to get some work experience.A．though wa
• 在下列农作物的生长过程中，应注意多施加含钾的肥料的植物是[]A．番茄、花生B．马铃薯、红薯C．茄子、黄瓜D．油菜、花椰菜-七年级生物
• (2013·皖南八校联考)________ here yesterday，he could have seen Jackie Chan.A．If Bob has comeB．If Bob cameC．
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• －Have you got any particular plans for the coming winter vacation?－Yes, _, I'm going to visit m
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• 枝条是由芽发育成的，植株生长需要量最多的无机盐是氮、磷、____________。-七年级生物
• Little _______he was saving every penny he earned in order to go to a fashion school.A．the parents d
• ________ going to the program If You Are the One，she knew she had to be there or her mother would be
• 所谓“母大儿肥”是说植物营养生长越旺盛则其生殖器官产量越高，请从营养生长与生殖生长的关系方面加以说明此说法是否全面？-七年级生物
• 含氮的、含磷的、含钾的无机盐等这些非生物的环境因素可能是影响植物生长的主要因素。为了证实这一想法，七年级有四位同学分别在相同的花盆里放入珍珠岩和蛭石（按一定比例），-七年级生物
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• 在白菜、菠菜等作物的农业生产中，应注意多施加[]A．含氮的肥料B．含磷的肥料C．含钾无机盐D．含钙无机盐-七年级生物
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• Doctors have said that as many as 50% of patients don’t take medicine_______. A．like directedB．to b