如图若为生态系统，则图中没有画出的生物成分是（）A．生产者B．消费者C．分解者D．生产者和消费者-生物

更多内容推荐

• —Where______my keys?—Sorry,______. [ ]A. is;I don't knowB. are; I don't knowC. are; it
• Look! 13912596888 _____his telephone number.[ ]A. amB. isC. are-七年级英语
• Mother is ill. I _____ stay at home. [ ]A.have to B.must C.has to D.can -八年级英语
• 生态系统中，生产者所固定的光能通过食物链会全部流入到消费者体内．______．-生物
• 单句改错。( )1.WhatthisinEnglish? A B CD()2.Isthisyou pencil case? A BC D ()3.Isthathisa room? A B C D___
• —How much______that blue jacket?—It's fifty yuan.[ ]A. areB. isC. amD. be-七年级英语
• The blue sweater _____only twenty-two dollars.[ ]A. isB. amC. are D. be-七年级英语
• 用所给单词的适当形式填空。1. Gina ______ (look) very nice in the red dress.2.It's very nice of you ______ (h
• 用所给单词的适当形式填空1. You can come and see it for____(you).2. The____(short) are too long.3. Can you ____(b
• 根据下面的文字及生态系统中的食物关系图回答有关问题：森林里生活着高大的乔木、低矮的灌木、草本植物等绿色植物．有许多鸟类在此栖息，有的鸟吃草籽，有的鸟是杂食性鸟（既吃-生物
• 南北长约2.5公里，东西最宽处约800米，总面积为141.62公顷的深圳“绿肺”--中心公园，是深圳靓丽的风景．这里树木葱郁，绿草如茵，植被（绿量）丰富，福田河从中穿流而过，还栖-生物
• 句型转换。1. You'll find the flowers somewhere.(改为否定句) You ______find the flowers______.2. He didn&#
• ---Must I do the work today?---No, you _______. You may do it tomorrow.A．can’tB．mustn’tC．shouldn’tD
• —Listen!Thereissomeonesinginginthenextroom.Who ____itbe?IsitWang Fei?—No.It________beher.Sheisatscho
• my school ID card.A．This’sB．that’sC．this isD．That’s-七年级英语
• __________ my cousin.[ ]A. He'sB. HerC. SheD. His-七年级英语
• —you please go to the movies with me? —Sorry, I can't. Ido my homework. [ ]A. Can; have to B. C
• —Ithink your pants ______ very nice. —Thank you.[]A. beB. isC. amD. are-七年级英语
• 在农田生态系统中，属于生产者的是（）A．农民B．玉米C．土壤D．耕牛-生物
• 我们人类属于生态系统中的（）A．生产者B．消费者C．分解者D．A、B、C都不是-生物
• 动物食品中所含有的能量，本质上都是植物将光能转化来的能量．______．-生物
• When she was three years old, she_____ sing several English songs. [ ]A. may B. must C. can D. could
• --Morn, must I clean my room now? --No, you . You can do it tomorrow.A．can'tB．needn'tC．mus
• The weather in Kunming ______ never too hot ______too cold. [ ]A. is ; and B. is ; butC. gets; orD.
• ---________ you Kate? ---Yes, I ________. [ ]A. Are; am B. Are; is C. Is; are D. Is; am -七年级英语
• This pair of sunglasses ____ very expensive. [ ]A. is B. are C. paysD. does -八年级英语
• ---- Can I watch TV now? ---- No, you ________. You _______ do your homework first.A．can’t; can’tB．c
• —How much______the shirt? —______ thirty yuan. [ ]A. is; It's B. are; They're C. is; They&
• 人类生命活动中所利用的能量最终来自（）A．地球B．植物C．太阳D．食物-生物
• I'm sorry. I _______ go now. My classmate is waiting for me at the gate of the school. [ ]A. ca
• —Mary, _________ you play chess?— Yes, I can do it very well. I want to join the chess club. [ ]A. c
• —Must I finish my homework at school?—No, you _______. you can do it at home[ ]A. can't B. must
• This Christmas card must ______from Jim [ ]A. isB. wasC. beD. are-九年级英语
• — you drive a car? —No, I can' t.A．CanB．MustC．MayD．Would-七年级英语
• My sister's shoes ______ blue. [ ]A. amB. is C. areD. be-七年级英语
• 如图为一个池塘生态系统，请回答问题（1）水草、浮游等植物是生态系统中的______；鱼、虾等动物是生态系统中的______；还有一些我们看不到的生物它们是生态系统中的______（2）请-生物
• 下列关于生态系统的能量流动示意图中，正确的是（）A．太阳能→生产者→消费者→分解者B．太阳能→生产者→消费者→生产者C．D．-生物
• 如果将一条死鱼埋在地下，一段时间后发现鱼肉“不见”了，这是生态系统中（）的作用．A．生产者B．消费者C．分解者D．以上都不是-生物
• Last year I _________ drive. I used to take the bus.A．couldB．couldn’tC．shouldD．shouldn't-九年级英语
• —Shall we go to the beach, Amy? —Um, it ______ great. [ ]A. feels B. looks C. turns D. sounds -九年级英语
• Which pair contains the sound／／?A．other；thankB．Thursday；strengthC．thin；thisD．brother；healthy-九年级英语
• ----- I want to know if I _________ smoke here. ----- No, you ___________. Can’t you see the sign “N
• The skirt is made of silk. It ______ so soft, I like it. [ ]A. washes B. is washed C. is felt D. fee
• Look at my pictures, I took them in New York.They _____beautiful.[ ]A. lookB. soundC. readD. see-八年级
• —Must I finish my homework right now?—No, you.A. needn’t B. may not C. mustn’t-九年级英语
• 在一个池塘生态系统中属于生产者的是（）A．水草、浮游植物B．浮游动物C．植食性鱼类D．肉食性鱼类-生物
• 如图是表示生态系统中生产者、消费者和分解者之间的相互关系．（1）食物链和食物网是生态系统的结构基础．写出图中的一条食物链______（2）生态系统的物质循环是指组成生物体的物质-生物
• –Whose volleyball is this?–It _______ belong to Carol. She loves volleyball.A．mustB．mustn’tC．canD．ca
• ----Is that Henry?----No. He here. He has gone to Australia.A．may beB．mustn’t beC．can’t beD．might be
• -------May I take my pet dog with me into the cinema? -------The rule says no. So you ______.A．canB．