I didn't know you ______ here. [ ]A. are B. will be C. have been D. were -九年级英语

更多内容推荐

• They think wearing their own clothes _______ good for their studies. [ ]A．areB．do C．does D．is -九年级英语
• 生物圈中到处都有绿色植物．地球上包括我们人类的其他生物都离不开绿色植物．请就所学的知识回答：（1）绿色植物是生态系统中的______．（2）植物体的生长发育是从______开始的．（3）绿-生物
• They _____ England and they will be back next week.A．have gone toB．have been toC．have gone inD．has b
• 某草原生态系统中各成分之间的关系如图所示．请回答：（1）图中的植物是生态系统中的______者，动物是生态系统中的______者．（2）生态系统通过食物链和食物网进行着能量______和物-生物
• 根据下面的图示，判断说法正确的一组是（）A．图一所示图“大气”的成分是氧气，生态系统中的能量流动方向是动物到植物、微生物到动物、微生物到植物B．图二表示用显微镜观察洋葱鳞-生物
• 硝化细菌能利用化学能将无机物转变成有机物，满足自身对营养物质的需要，这类细菌在生态系统中属于（）A．生产者B．消费者C．分解者D．消费者和分解者-生物
• My father doesn’t have much money. I don’t have, ____. A．tooB．alsoC．stillD．either-八年级英语
• The bag of rice is ＿＿＿ heavy for Tom to carry. Let’s go and help him.A. too B. so C. very-九年级英语
• When I got to the cinema, the film _____ for five minutes.[ ]A: had started B: had been on C: has be
• 如图示某两地生态系统中的甲、乙两个食物网，请根据所学知识回答问题．（1）甲和乙两图所示部分都不能称为生态系统，原因是______；在各自的生态系统中甲和乙的生产者都是_____-生物
• Some of my classmates _________ after school every day.A．walks homeB．walk homeC．walk to homeD．goes h
• 在生态系统中，太阳光的光能要参与生物圈中的能量流动，首先需要通过（）A．生产者B．消费者C．分解者D．非生物成分-生物
• My sister ______ an English teacher in our school. Now she works in America.A．was used to beB．used t
• Is there _______________ to sleep for half a day?A．somewhere enough silentB．somewhere silent enoughC
• 生态系统的物质循环是指组成生物体的物质在（）A．生物与无机环境之间的往返循环B．不同食物链之间的往返循环C．生产者、消费者和分解者之间的往返循环D．食物网内各种生物之间的往-生物
• I can’t go to the cinema with you because I _______ stay here until my mother comes back.A．canB．coul
• —Be quiet, Mr Smith is coming.—Don’t worry. It ＿＿＿ be him. Mr Smith is much taller.A. mustn’t B. mus
• 选择填空。Miss Li ______ at home last Sunday. [ ]A．didn't B．doesn't C．wasn't -七年级英语
• 几位同学针对食物链“草→食草昆虫→食虫鸟”发表了他们各自的见解，你认为不正确的是（）A．草属于生产者B．食草昆虫和食虫鸟都是消费者C．保护食虫鸟对人类有益D．多条食物链就可构成-生物
• 单项选择。Here some pencils for every teacher now. [ ]A. wasB. wereC. isD. are -七年级英语
• 单项选择。Everyone going to learn English? [ ]A. is B. are C. do D. does -七年级英语
• 图中箭头表示能量、物质的转化或流向．其中正确的是（）A．B．C．D．-生物
• 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
• 平武王朗自然保护区不仅有多种野生植物，还有大熊猫等到多种珍稀动物．（1）保护区内的绿色植物能进行光合作用，属于______．动物作为消费者，也起着着重要作用，如蜜蜂能帮助植-生物
• 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