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

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• ．— 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
• The children will climb the hill if it ________tomorrow.A．won’t rainB．didn’t rainC．doesn’t rain D．no
• 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
• 草履虫的细胞内没有______不能自己制造有机物。-七年级生物
• 就是指整个身体是由一个细胞构成的生物，这一个细胞能够完成生物体的。-七年级生物
• If it tomorrow, Ifishing in South Lake.A． is; goB．will;goC．is; will goD．will be; willgo-九年级英语
• --What would you do if you ____ a million dollars?--I’d give it to the charityA．winB．wonC．will winD
• If Iyou, Ithe job.A．am; will takeB．was; would takeC．were; would takeD．are; will take-九年级英语
• The girl is _____ beautiful ____ she may become a film star when she grows up.A．too; toB．such; thatC
• -- Hello, this is Jack. May I speak to Tom?-- Sorry, he isn’t in at the moment. If he _______ back,
• —Would you like _________ Shijing Hill with us next Sunday afternoon?—I will go with you unless my m
• — Does Tommy love taking exercise every day?— Yes. He goes jogging every day _______ it rains or sno
• 为探究草履虫对刺激的反应，一同学制作了如下图所示临时装片，草履虫将A．从左向右运动B．从右向左运动C．不运动D．A、B、C都可能-七年级生物
• 单细胞生物仅由一个细胞构成，却能独立完成、、、等各种生命活动。-七年级生物
• The poor girlacross the roada car knocked her down.A．walked; whileB．walked; sinceC．was walking; unti
• If your homework , you can watch TV.A．will doB．doesC．is doneD．has done-八年级英语
• If we _________ our dreams, we believe one day our dreams will be________.A.hold on; achievedB.hold
• What shall we do if it tomorrow?A．will rainB．rainC．rainsD．Rained-八年级英语
• I met a friend of mine _____ I was walking in the park.A．beforeB．whenC．afterD．if-八年级英语
• Peter doesn’t tell me when he _______. I’ll telephone you as soon as he ______.A．will come, comes B
• If it _____ tomorrow, we won’t go to the park.A．rainedB．rainsC．will rainD．raining-九年级英语
• 在观察草履虫时，为了限制草履虫的运动速度，应在载玻片的培养液上A．滴加肉汁B．放少量棉花纤维C．加少量食盐D．把水吸干-七年级生物
• 草履虫能躲避有害刺激，趋向有利刺激。（）-七年级生物
• 单细胞生物个体微小，不能完成呼吸、生殖等复杂的生命活动。-七年级生物
• ——I don’t know if he ________ tomorrow?——If it ________ , he will come.A．will come; won’t rainB．will
• If I free next Sunday, I to the farm with you.A．will be, will goB．am, will goC．am, goD．will be, go-八
• My mother was looking while I the radio. A．listened toB．have listenedC．was listening toD．is listenin
• If you _______that kind of fish, you ________very sick.A．will eat; will becomeB．will eat; becomeC．e
• If it ______ tomorrow, I’ll go hiking with my friends.A．won’t rainB．will rainC．doesn’t rain D．rains-
• --- Don’t worry. Your mother is coming to help you. ---_______ she doesn’t come and I am here alone?
• 下图是在显微镜下观察到的草履虫结构示意图，草履虫运动和取食的结构分别是A．1和3B．2和6C．4和2D．4和3-七年级生物
• “探究草履虫对刺激的反应”实验所运用的科学探究方法是A．观察法B．调查法C．测量法D．实验法-七年级生物
• 单细胞生物结构简单，所以与人类的关系不密切。-七年级生物
• 单细胞生物如草履虫对环境的变化没有任何反应。-七年级生物
• If it ____ rain, we will play football tomorrow.A．willB．wouldC．isn’tD．doesn’t-八年级英语
• ——Will you come to the dinner party?——I won’t come unless Mary ________. A．invitesB．will be invitedC