Everyone ______ be polite to the old people.A．mayB．shouldC．canD．could-八年级英语

更多内容推荐

• 用所给的词的适当形式填空1. How much _____ (be) the blue socks? 2. Can you help _____ (I)? 3. She often _____ (wa
• Maybe he can _______ in our club.[ ]A. beB. isC. /-七年级英语
• 蘑菇是生态系统中的分解者．______．-生物
• 如图为某草原生态系统中的食物网示意图，请据图回答：（1）在此生态系统中青蛙和蜘蛛除了捕食关系外还有______关系．（2）在草原生态系统的组成中，图未画出的生态系统的组成成分是-生物
• 下列属于生产者的是（）A．工人B．农民C．植食性动物D．绿色植物-生物
• —Mike’s parents have bought a 2-floor house with a swimming pool.— Oh, it________ be very expensive.
• ---What should we do first if we want to develop our village?---Lots of new roads ________, I think.
• --Listen! Is Tom singing in the room?-- No, it ______ be Tom. He has gone to Paris. A. mustn’t B. n
• 能量在食物链的流动过程中被多种生物______，与能量流动不同，物质可以以某种形式在生态系统中______．-生物
• —Mary, you bring my math book to school?—OK, Dave. [ ]A. can B. are C. doD. is -七年级英语
• 消费者与生产者之间形成的关系主要是指（）A．动态平衡B．相互依存C．吃与被吃D．互相利用-生物
• Kids _________ use the computers to draw in the future.A．canB．couldC．will be able toD．will can-八年级英语
• 用 be( am,is,are) 的适当形式填空。1. Excuse me! ______ this your ruler?2. What______those?______ they picture
• 用括号内所给词的适当形式填空。1. Linda and I______(be) good friends.2. My father is a teacher.______(his) is 36 yea
• —Must I finish the work today, Mom?—No, you . You can finish it tomorrow .A. mustn’t B. can’t C. nee
• 要剪贴一张生态系统模式图，不可缺少的生物是（）A．太阳B．动物C．植物D．空气-生物
• 用am,is,are填空。1．What ________ your name?2．My name ________ Tom. 3．I ________ John Brown. 4．Her name _
• 硝化细菌能利用氧化某些物质释放出来的能量，将二氧化碳和水合成有机物，它在生态系统中的成分属于（）A．生产者B．消费者C．分解者D．非生物的能量-生物
• --______ we clean the classroom at once? --No, you _____. You____ clean it after school.A．Must, need
• 人类通过农业生产获取粮食，人是生态系统中的（）A．生产者B．消费者C．分解者D．以上都是-生物
• 下列哪一项不是生态系统的物质循环（）A．能量循环B．水循环C．碳循环D．氮循环-生物
• 用括号中所给词的适当形式填空。1.__ (be) that your dictionary?2.I _____ (be)Xiaofang.My last name__(be) Guo.3.What&#
• — May I take the magazine out of the reading room?— No, you can’t. You ______ read it here. It’s the
• -----Can I watch TV, Mom? -----No, you . You to do your homework first.A．don’t; haveB．can’t; can’tC．
• —Must I come back before supper, mum?—No, you .A．can’tB．mustn’tC．don’tD．needn’t-九年级英语
• — Can I go to the movie, Mum?— Certainly. But you _______ be back by ten o’clock.A．canB．mayC．mightD．
• 当食草动物摄取食物时，植物体内的能量就会全部流入动物体内．______．-生物
• — Is Kate coming to the party this evening?— No, she _________ be the party. She________ to the UK.A
• 用am, is或are填空1. —What____your name? —My name____Linda.2. —Hello! How____you? —I____fine, thanks.3. —
• - You’d betterbecause you have to drive back home. - OK.A．not drinkingB．not to drinkC．not drinkD．don
• 在下列生物中，属于分解者的是（）A．猫B．水绵C．木耳D．小麦-生物
• “狼吃羊、羊吃草”，狼体内的能量最终来源于（）A．狼B．草C．羊D．光-生物
• Anna is not my sister. _____my cousin. [ ]A. HeB. He's C. SheD. She's-七年级英语
• 在生态系统中，能量流动一般是从绿色植物固定太阳能开始的．______．-生物
• —What about the picture over there? —It _______ nice. [ ]A. tastes B. gets C. looks D. sounds -九年级英语
• Eddie _______ my good friend. He _______ ill three days ago. [ ]A. is; was B. be; is C. was; ill D.
• —Must I finish the paper tonight? —No, you _______ finish it tomorrow.A．mustB．needn’tC．canD．shouldn’
• 生物圈中的各生态系统之间往往是相互联系、相互影响的。[]-八年级生物
• —Look at the picture on the wall. It ________be David’s.—Yes, his name is on the first page.A．canB．c
• Today, we _____ work as hard as people did in the past.A．mustn’tB．can’tC．shouldn’tD．don’t have to-九年
• 在生态系统中，各种生物的数量一般是（）A．植物＞植食动物＞肉食动物B．肉食动物＞植食动物＞植物C．植物＞肉食动物＞植食动物D．肉食动物＞植物＞植食动物-生物
• I like friends who _________ friendly and easygoing.[ ]A. isB. haveC. areD. has-九年级英语
• - Must I clean the Lable now? - No, you ____. You may do it later.A．can’tB．needn’tC．mustn’tD．should
• 下列生物中，全部为生产者的一组是（）A．磨茹、白菜B．.酵母菌、菠菜C．.海带、丝瓜D．.乳酸菌、紫菜-生物
• 如果有一天太阳被毁灭了，那么地球上无法生存的生物是（）A．动物B．植物C．人类D．地球上所有生物-生物
• 在生态系统中，植物是生产者，能通过光合作用制造有机物；______是消费者，它们直接或间接地以植物为食；细菌、真菌是______者；这三者构成了生态系统的生物部分．-生物
• The small sheep ____________ white and lovely, I like them very much. A. is B. are C. were-九年级英语
• ---I think Miss Lin must be in the library. She said she would go there.---No, she __________be ther
• ( )28.－_____ you put away your books?－Yes, mum. I’ll do it at once.A．MightB．ShouldC．CouldD．Must-英语
• — I think the man over there must be Bob.— It _______ be him. He has gone to England.A．can’tB．mustn’