用be的适当形式填空。1.These _____ myapples.2. Where_____yourchair?3. They_____inmybag.4. _____ theyunderthech

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• — _______ your brother short?—No , he ______of medium height.[ ]A. Is;isB. Is;hasC. Has;hasD. Has;is
• 生态系统中绿色植物固定的太阳能沿着食物链的单向传递叫[]A．能量输入B．能量输出C．能量流动D．能量交换-八年级生物
• I’m not feeling ______, I _____ see a doctor.A good; will have to B. good; mustC. well; will have D.
• My mother and I _______going to watch TV this evening.A．areB．isn’tC．isD．am-七年级英语
• 如图为一个水域生态系统的示意图，请据图回答问题：（1）藻类是生态系统中的______，因为它们能够通过______制造有机物；大鱼和小鱼是生态系统中的______．（2）这条食物链中，生物-生物
• 分解者在生态系统中占有重要的地位，这主要是因为他们（）A．是实物的来源B．能释放氧气C．能净化空气D．能将动植物遗体分解为无机物-生物
• －Hi, Tom. Is this your dog?－No, it’s Cathy’s. _________ is at home now. A．MineB．MyC．HersD．Her-八年级英语
• 用括号内所绘词的适当形式填空。1.Those_____(be)hersisters.2.Theirgrandmother_____(be)JaneKing.3. — _____(be)theyLiPi
• Some oranges____in the bag. Some beef_____ on the table.[ ]A. is;isB. are; areC. are;isD. is; are-七年
• Where_____ the lions _____? [ ]A. does; fromB. does; come fromC. is; fromD. are; from-七年级英语
• 单项选择。The teacher asked," _____ everyone here?" [ ]A. Am B. Are C. Is D. Do -七年级英语
• 你的应变能力怎么样?用括号里所单词的适当形式填空,自己检验一下吧!1.I ___ (will )like to buy a tree.2.Please put these ____(photo) on
• This book _______ Lucy’s . Look! Her name is on the book cover（封面）.A．must beB．may beC．can’t beD．must
• 在一个生态系统中最不稳定的成分是（）A．高大乔木B．低矮灌木C．细菌、真菌D．大型动物-生物
• My brother likes playing ____ football, but he doesn’t like playing ___ piano.A．the; aB．the, theC．/;
• 下图示我国南方的一种新型的“桑→蚕→气→鱼”农业模式，该模式将蚕沙（蚕粪）、人畜粪便、枯枝败叶等投入沼气池发酵制成沼气，用沼渣喂鱼及为桑树施肥，获得了鱼、蚕、桑、气的全-八年级生物
• 用be的适当形式填空。①— _____thoseyourpencils? — Yes, they____.② I_____WangYun. MyQQnumber_____8055725.③These_
• 请你参照右图制作一个生态瓶，探究生物在一个密闭的生态系统中如何生存．制作方法是：将小鱼2条、小田螺4只和一定数量的水草一起放入盛有水的密封的广口瓶中．瓶底应放置一些沙-生物
• He is ______ outstanding student from ______ university in America. A．a; aB．a; anC．an; aD．an; an-八年级
• When he ________young, he________ a good kid.[ ]A. is; isB. was; wasC. is; wasD. was; is-七年级英语
• She _____ of medium height with short hair.[ ]A. is B. has C. does-七年级英语
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• The yellow coat ________belong to Linda because nobody likes yellow except her. A．can’tB．mayC．mustD．
• I ______ it everywhere, but I didn’t _____ it. A．looked for, looked forB．looked for, find C．found, l
• Tina_________wait _________ see her parents .A．can; forB．can’t; forC．can; toD．can’t; to-九年级英语
• 海带是人们经常食用的植物，它属于（）A．藻类植物B．苔藓植物C．蕨类植物D．裸子植物-生物
• ____________和____________是生态系统的重要功能。生态系统要完成这些功能是沿着________和________进行的。-八年级生物
• 下列是草原生态系统的食物网示意图，请据图回答：（1）该生态系统的生产者是______，直接以植物为食的消费者是______，没有表示出来的成分是______．（2）该食物网有______条食物链-生物
• You didn’t have breakfast. You ________ be hungry now.A．mustB．can’tC．couldD．might-九年级英语
• It _________ rain this afternoon, but I am not sure.A．willB．canC．mustD．may-九年级英语
• Frank is my pen pal, he _____________ Sydney, Australia.A．livesB．fromC．comes fromD．be from-八年级英语
• Listen to the music. It _______ interesting. [ ]A. sound B. listen C. sounds D. listens -七年级英语
• —Must I take the medicine every day?— No, you______.A．must notB．may notC．haven’tD．needn’t-八年级英语
• My teacher ______ a little bit heavy.[ ]A. isB. has C. there is-七年级英语
• I have two sisters. One is a teacher, ____ is a singer. .A．otherB． anotherC． the otherD． others-八年级英
• 生态系统中，完成物质循环的两个关键性成分是（）A．生产者和消费者B．生产者和分解者C．生产者和非生物成分D．消费者和非生物成分-生物
• Tigers like to eat _____________, but koalas like to eat____________.A．meat , leaf B．meats , leafC．m
• 用am, is填空，注意大小写.① This_____mybook.②_____thathereraser?③ It _____ apen.④ Hername_____Jenny.⑤ What ___
• Oneandtwo______three.[ ]A.makeB.areC. isD.be-七年级英语
• When the traffic lights are red, we _______ stop.A．should B．might C．must D．may-八年级英语
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• —How many teachers are there in your school? —About 160. One third of themmen teachers. [ ]A. have B
• 用所给词的适当形式填空1.--Where______ (be) New York?--It's in the USA.2._____your pen pal______(come) from
• —You____veryhappythisafternoon.Why? —BecausewearegoingtospendtheeveningatLily'shouse. [ ]A.tast
• 在草原生态系统中，鸟飞蝶舞，牛羊成群，草丛中还偶尔长有蘑菇，在这些生物中，一定不参与构成食物链的是（）A．鸟，蝶B．牛、羊C．蘑菇D．草-生物
• 用be的适当形式填空。①I____ astudent.②What____thatinEnglish?③Thekey____white.④How____you?-七年级英语
• The pay phone is _____Green Street and it’s across ______ the library.A．in, toB．on, fromC．at, throug
• You ______ be polite to the old man.A．shouldB．can’tC．mightD．mustn’t-八年级英语