Alice ________ to see his aunt if she _______free tomorrow. A．will come; will beB．come ; isC．will co

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• If Ann ______ time tomorrow, she will go to the party. [ ]A. haveB. hasC. will have D. had-九年级英语
• Learn to think ________ we are young, or we may never learn.[ ]A. during B. when C. beforeD. after-九
• I am waiting for my friend. , I will go swimming alone.A．If he doesn’t comeB．If he won’t comeC．If he
• ____ you don’t work hard, you can’t learn English well.A. So B. But C. If-七年级英语
• 以下属于单细胞生物的是（）A．大肠杆菌B．水绵C．鼠妇D．葫芦藓-七年级生物
• 单细胞植物除具有单细胞动物所具有的生命特征外，还具有的特征是[]A．呼吸作用B．光合作用C．应激性和适应性D．新陈代谢-七年级生物
• 观察草履虫结构示意图，回答下列问题：（5分）（1）草履虫靠（）的摆动在水中旋转前进；（2）草履虫靠（）进行呼吸，摄入氧，排出二氧化碳；（3）草履虫的活动具有逃避食盐，趋向肉汁的规-七年级生物
• 草履虫具有比较复杂的结构，这是细胞分裂和分化的结果。（）-七年级生物
• 草履虫的运动靠的是下列哪种结构（）A．纤毛B．表膜C．口沟D．肛门-生物
• They ____________ having an argument at seven o’clock last night when CCTV ______ to broadcast news．
• I ______ along the road when I saw Peter. So we stopped and had a chat.A．walkedB．was walkingC．would
• If you are late for class, the teacher _________angry. [ ]A. is B. was C. will D. will be -八年级英语
• We’ll plant trees tomorrow, and I don’t knowTom will come and join us.A．ifB．whichC．whatD．where-九年级英语
• 下列哪一种生物不是单细胞生物（）A．草履虫B．变形虫C．眼虫D．鼠妇-生物
• 用动词的适当形式填空。1. I don't know if he(come) tomorrow. If he(come), I will tell you.2. He(learn) two
• Peter was so excited _____he received an invitation from his friend to visit Wuxi.A．whereB．thatC．why
• 下列生物不是单细胞生物的是A．酵母菌B．衣藻C．水绵D．草履虫-七年级生物
• 下列属于单细胞生物的是（）A．眼虫B．水绵C．金鱼藻D．大熊猫-七年级生物
• 草履虫进行生命活动的能量来自[]A．线粒体B．叶绿体C．食物泡D．线粒体和叶绿体-七年级生物
• If thereno buying and selling of animals, thereno killing in nature. A．is; will he B．will be; will b
• He met many problemshe was going over his lessons.A．before B．as soon as C．since D．while-九年级英语
• 下列关于单细胞生物的说法错误的是()A．单细胞生物不能独立完成各项生命活动B．草履虫能趋利避害C．酵母菌的结构中包含细胞壁和液泡D．利用酵母菌可以制作面包-七年级生物
• 多细胞生物的细胞一定比单细胞生物大。（）-七年级生物
• 用括号内所给动词的适当形式填空。1. I'll tell our monitor the good news as soon as he ________ (come) back to sc
• IfBetty has time, she______ climbing with her parents tomorrow.[ ]A. goes to B. will goC. went to D.
• 能大量吞食细菌，使污水净化的单细胞生物是………………（）A．变形虫B．小瓜虫C．喇叭虫D．草履虫-七年级生物
• 观察草履虫装片时，常在载玻片上放少许棉花纤维，目的是A．将盖玻片垫高，使草履虫不易死亡B．使草履虫运动速度减慢C．限制草履虫的运动，便于观察D．与草履虫比大小-七年级生物
• 下列全为单细胞的一组生物是（）A．酵母菌、草履虫、眼虫、变形虫、向日葵B．酵母茵、衣藻、眼虫、变形虫、草履虫C．酵母菌、猫、眼虫、农藻、变形虫D．衣藻、油菜、变形虫、向日葵-生物
• _____ they arrived early at the airport, they nearly missed their flight. [ ]A. If B. BecauseC. As s
• 单细胞生物都生活在水中．______．-生物
• My father was reading newspapers ____ my mother was cooking at this time yesterday evening. A．whenB．
• If you don’t go hiking, ____ I.A．so doB．neither do IC．so will ID．neither will I-九年级英语
• －Drive carefully so that everyone can enjoy a long life.－Yes, I agree with you.A．in order thatB．in o
• I have _______ much work to do _______ I have no time to go out with you.A．such; thatB．so; thatC．so;
• 单细胞生物不能完成呼吸、生殖等复杂的生命活动。（）-七年级生物
• （5分)下图是草履虫的结构图，请读图并完成后面的填空：（1）草履虫生活在淡水中，靠[]___________进行运动。（2）食物通过[]___________进入体内，形成食物泡，逐渐被消化；草履虫-
• I'll tell him about it as soon as she _____ tomorrow.[ ]A. will comeB. has comeC. comes-九年级英语
• Don’t talk loudly at the meeting. If you ________, you will have to leave. A. do B. are C. did-九年级英语
• The train_____ when I_____ to the station.[ ]A. was left; was getting B. had left; gotC. left; got D
• 下列说法不正确的是（）A．一个变形虫是一个细胞，也是一个生物B．一切生物都是由细胞所构成的C．人类是由真核细胞所组成的D．细胞可以分为原核细胞和真核细胞-生物
• 草履虫的运动器官是纤毛，变形虫的运动器官是伪足。（）-八年级生物
• 小明把碳素墨水滴了少许到草履虫培养液中，几分钟后，制成的临时装片在显微镜下观察，发现有些草履虫的某结构被染成了黑色，这种结构的名称是（）A．细胞核B．液泡C．食物泡D．伸缩-七年级生物
• Which one of the following is NOT RIGHT? A. He listened carefully in every class. As a result, he go
• 草履虫进行运动的结构是A．表膜B．收集管C．纤毛D．口沟-七年级生物
• 草履虫的个体是由A．一个细胞组成B．各种组织组成C．各个器官组成D．各种系统组成-七年级生物
• 在制作观察草履虫的临时装片过程中，需要在载玻片上的培养液中放几丝棉花纤维，目的是A．观察草履虫沿棉花纤维的运动状态B．使棉花纤维缠绕草履虫，便于观察C．限制草履虫的运动-七年级生物
• What is John going to be when he _______ up? [ ]A. grow B. is going to grow C. grows D. to grow -八年级
• I _____ the CDs to you if I have time tomorrow.[ ]A. will return B. returned C. have returned D. ret