单项选择。Everyone going to learn English? [ ]A. is B. are C. do D. does -七年级英语

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• They ______ friends since they met for the first time.[ ]A: have madeB: made C: have been D: were -八
• May I have a rest? I have already finished ______ the report.A．writeB．writingC．to writeD．written-九年级
• 小郭自制了一个密闭的生态瓶，要使模拟的生态系统维持更长时间，该生态瓶最好放在（）A．床柜上B．阳台上C．冰箱里D．衣柜里-生物
• —Can you speak English, Mr Wang？—Yes, but only＿＿＿A. little B. a little C. a lot-九年级英语
• Don’t worry. There’s still ________ time _________.A．few, leftB．a few, to leaveC．a little, leftD．a l
• 图是大金湖湖泊生态系统，请据图回答问题：（1）影响该生态系统生物生存的非生物因素有______（举一例）；（2）该生态系统中的生产者有______，未标注的生物部分是______；（3）螺蛳的-生物
• 在草原生态系统中，下列哪条食物链的加强有利于增加鹰的数量（）A．草类→鼠→鹰B．草类→鼠→蛇→鹰C．草类→蝗虫→青蛙→蛇→鹰D．草类→食草昆虫→青蛙→蛇→鹰-生物
• 在一个处于相对平衡状态的封闭生态瓶内，要使各种生物长时间存活，最重要的条件是提供（）A．太阳能B．足够的有机物C．充足的氧气D．水分-生物
• 近几年海洋石油泄漏事件多次发生，给海洋环境造成严重污染．科学家们利用一些细菌来清除洋面泄漏的石油以便净化海洋环境．这些能净化环境的细菌属于（）A．生产者B．消费者C．分解者-生物
• －Dad, may I watch TV?－No, you can’t. You _______ finish your homework first.A. must B. can C. may-九年
• —I lost my pet pig, but it came back yesterday.—As the saying goes: an old horse knew the way.A．塞翁失马
• The first question was difficult, but the rest were pretty easy.A．休息B．安定C．其余的D．停止-九年级英语
• How dangerous! She was driving the car with one hand and holding an ice cream with ____.A．the otherB
• 生态系统的构成是（）A．森林里所有的动物和植物B．校园里的各种花卉C．麦田里所有的生物D．池塘及池塘里所有的生物-生物
• --Is the man standing outside the teacher’s office Mr. Zhou?--No, it ______ be him. He has gone to H
• His ambition is ______ a basketball player like Yao Ming. [ ]A. to be B. be C. become D. being -八年级英
• 在一个生态系统中，不可缺少的生物成分是（）A．生产者、消费者、分解者B．各级消费者C．生产者、分解者D．生产者、初级消费者-生物
• 单项选择。Which of the two pencils ______ yours? [ ]A．areB．is C．have D．has -七年级英语
• A group of young men hope that getting this kind of job will finally be the ticket to success.A．road
• My neighbor was like a cat on hot bricks before her driving test.A．very exitedB．sadC．relaxedD．very n
• It is impossible to please everyone. We can only do our best.A．hear…ofB．make… happyC．know… wellD．loo
• --Dad, can I go to the movies tonight?--Sure, but you ____ come back home before 9 o’clock.A．canB．mu
• There are no customers in the hotel. It ______ have the friendliest service.A．can’tB．mustC．mayD．need
• —Must I finish my homework today,Ms Liu?—No,_______. A.you mustn’t B.you don’t have to C.you can’t-九
• Many students said that they were willing to work hard to make their dreams _______ true.A. come B.
• There is going to ______ a school meeting this Friday. [ ]A. has B. be C. have -八年级英语
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• 单项选择。Don't ___ so excited. You must be calm (镇静). [ ]A. is B. are C. be D. am -七年级英语
• 单项选择。Mary and her father ______ in Beijing last month. [ ]A. was B. were C. are D. is -七年级英语
• .She rose from being a nobody to become a superstar. A.a famous person B. an unknown person C.an imp
• I didn't hear the phone. I _____ asleep. [ ]A. must be B. must have been C. should be D. should
• Though today is bright, it __ be rainy tomorrow.[ ]A. can B. isC. willD. must-八年级英语
• 此图生态系统中蛇的生命活动所需能量归根结底来源于（）A．鼠B．草C．兔D．阳光-生物
• --- Linda late for school. --- But she arrives on time at present.A．used to beB．used to beingC．is us
• 生产者和分解者之间没有任何关系______．-生物
• In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can
• By the year 2015, all of China's museums will be free to enter. We_______visit anymuseum withou
• — You study ______ hard _______ you’re sure to pass the exam.— Thank you for saying so. A. enough… t
• — _____ Mary _____ Alice has joined the music club because they have no time.— It’s a pity! A. Both…
• — Mom, must I finish my homework now?— No, you ______. You may have supper first.A. mustn’t B. needn
• —________ do you like dogs?—Because they are very cute. A. WhatB. How C. Why-九年级英语
• Youhaveworkedallday. You_______betired.[ ]A. mustB. can't C.could D.might -九年级英语
• 生物圈中能保证各种生物生命活动正常进行的最基本的生物成分是（）A．绿色植物B．动物C．微生物D．高等动物-生物
• Even scientists ___ sure if there are UFOs. [ ]A. aren't B. don't C. can't-八年级英语
• 如图为渤海生态系统简化食物网结构示意图．请据图回答下列问题：（1）该食物网中的生产者是______，若要构成一个生态系统，图中需要添加的成分是______和______．（2）图示食物网中-生物
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• I have two cats. One is black, and ______ is white.A．anotherB．someC．otherD．the other-九年级英语
• We ________ like to thank the honest boy.A．hadB．wasC．couldD．would-八年级英语
• 一个完整的生态系统由下列哪项组成（）A．非生物成分和生物成分B．水、阳光、温度C．生产者、消费者、分解者D．食物链和食物网-生物
• —Listen! Is Tom singing in the classroom?—No. It ____ be Tom. He has gone to Paris.[ ]A. may not B.