下列生物中，不具有各种组织结构的是A．变形虫B．蚯蚓C．番茄D．洋葱-八年级生物

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• 下列哪个事实说明了我们的生活离不开单细胞生物A．米面是一日三餐的主餐B．水果蔬菜是生活的必需品C．酸奶和面包大家都爱吃D．植树造林美化了生活环境-八年级生物
• —Tomorrow is Sunday. What about going shopping together?—I will go I’m free.A. before B. if C. until
• – When did you see Mr Green? – .A．Five minutes laterB．For five minutesC．In five minutes D．Five minut
• If it ________ rain tomorrow, we’ll go to the zoo.A．won’tB．doesn’tC．don’tD．isn’t-八年级英语
• 草履虫通过进行生殖。-七年级生物
• I’ll go to see the film with you if it ________ rain tomorrow.A．isn’tB．doesn’tC．won’tD．isn’t going t
• What if she _______ tomorrow?A．will not comeB．doesn’t comeC．wouldn’t comeD．isn’t come-九年级英语
• 下列生物中不属于单细胞生物的是[]A．变形虫B．酵母菌C．衣藻D．噬菌体-七年级生物
• -When will you go back to your hometown? - _______.A．Until the work is finishedB．Not until the work
• —Do you think if Tom the work well?—I think he will if he his best.A．does, will tryB．will do, triesC
• 图甲、乙表示两块玻璃板，分别在载玻片两端各滴一滴草履虫培养液，并使两滴培养液连通。当在两块玻璃板右侧培养液的边缘分别放一小粒食盐和一滴肉汁时，分析可能出现的现象以-七年级生物
• What will you do if it _____ tomorrow? A．will rainB．is rainingC．rainsD．isn't rain-九年级英语
• We’ll go for a walk if it ___ __ tomorrow.A．will not rainB．doesn’t rainC．isn’t rainingD．isn’t rain-八
• 草履虫口沟里的纤毛不停的摆动，其作用是（）A使草履虫在水中旋转前进B完成呼吸作用C使水里的食物由胞口和胞咽进入细胞质，形成食物泡D完成生殖过程-七年级生物
• If it_______ rain tomorrow, I’ll go climbing with my classmates.A．will B．won’t C．didn’tD．doesn’t-九年级
• If it ________ fine tomorrow, I will go hiking with you.A．isB．wasC．will beD．isn’t-七年级英语
• If it _______ sunny tomorrow, I ______ the Great Wall. A．will be, climbB．is, climbingC．will, am cli
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• 下列不属于单细胞生物的是[]A．酵母菌B．水绵C．变形虫D．衣藻-七年级生物
• If I _____ one million dollars, I________ travel around the world with my parents.A．have; willB．had;
• I don’t know when my father _____ back, but I’ll let you know when he ___back.A．comes, comesB．will
• Yesterday I was just to go out _____ someone telephoned me.A．whenB．whileC．asD．that-八年级英语
• 为探究某物质对草履虫的刺激是有利还是有害，李明同学做了以下实验。在两片载玻片上同时分别滴两滴相同的草履虫培养液（如图所示），借助放大镜他看到每滴培养液中都有草履虫在-七年级生物
• 下列关于单细胞生物的叙述，错误的是（）A．整个身体只有一个细胞构成B．能够趋利避害，适应环境C．不能进行呼吸、生殖等复杂的生命活动D．能够独立生活-七年级生物
• —Our holiday in Beijing cost a lot of money.—Did it? Well, that doesn’t matter ______ you enjoyed yo
• — If our government _____attention to controling food safety now, our health _____in danger.A．won’t
• I don't know when______. When he ______,I'll call you.A． will he come; will comeB． does he
• – Tom wants to know if you _________ a picnic next Sunday.-- Yes. But if it ________, we’ll visit th
• Betty will ring me up as soon as she ________ in Shanghai.A．arriveB．arrivesC．arrivedD．will arrive-九年
• I don’t know if he_______ tomorrow. If he _______, I will call you.A．will come; will comeB．will com
• ______ he was ill yesterday, _______ he went to school.A．Because, soB．but,/C．Although, butD．Although
• 下列各组中，除哪一组外，都是单细胞生物[]A．酵母菌、衣藻B．草履虫、水蚤C．结核杆菌、肺炎双球菌D．甲烷细菌、醋酸杆菌-八年级生物
• If Iyou, I the army.A．am, would joinB．were, would joinC．am, will joinD．were, will join-九年级英语
• ．— I wonder if you _______ a picnic tomorrow.— Yes. But if it ______, we’ll visit the museum instead
• – What are your parents doing now?- Well, my father is reading a newspaper_______ my mother is cooki
• 下图是草履虫应激反应图，请根据图回答。（5分）（1）图中甲，草履虫的运动方向是（向左或向右）（2）图中乙，草履虫的运动方向是（向左或向右）（3）出现不同现象的原因是：甲：食盐对于草-七年级生物
• 下列有关草履虫的叙述中错误的是（）A．生活在清澈见底、水流湍急的小溪中B．具有细胞膜、细胞质、细胞核C．能够通过分裂进行生殖D．对污水有一定的净化作用-七年级生物
• Cathy wonders if her teacher _______ to her house. If she _______, what will she say to her parents?
• She opened all the windows _____she could take a bit more of fresh air.A．so thatB．such thatC．in orde
• 人体的细胞如果离开人体就很难存活。而草履虫是一个细胞，却能独立生活，请你说说草履虫是怎样生活的？（3分）-七年级生物
• We ______ more time to play sports if our teachers ______ us less homework.A．will have; giveB．have;
• IfI ______ you, I _____ go with you.A．am willB．was wouldC．were wouldD．was would-九年级英语
• Some children ______ pictures when the teacher came into the classroom. A．drawB．are drawingC．were dr
• I don’t know if it ____tomorrow .We ____ shopping if it ________.A．rains ; will go ; doesn’t rainB．w
• IamnotsureifTom____home.Ifhe________, I'llcallyou.A．willcome,willcomeB．comes,willcomeC．will com
• －Can you tell me Kitty’s address.－I don’t know, either. But I’ll tell you her address when she _____
• 将下列结构功能的代号（A、B、C、D、E）填写在草履虫相应结构前的括号内（）1、表膜A、排出食物残渣（）2、纤毛B、消化吸收食物（）3、口沟C、食物的入口（）4、食物泡D、运动（）5、胞肛-七年级生物
• If she ______ well in her exams, she will go to Beijing University in September.A．did B．does C．is do
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• 下图为草履虫的结构示意图，请据图回答有关问题：（1）草履虫以细菌和微小浮游植物为食，食物从口沟进入形成标号所示结构，随细胞质流动逐渐被消化；不能消化的食物残渣从（结构-七年级生物