几片红叶加一个秋字是什么成语,不是一叶知秋的成语

D

温度越高，植物的蒸腾作用越强，植物体内的水分损失越多。种花和种菜，选在阴天或傍晚进行，可降低植物的蒸腾作用。

解题思路：本题为探究茎对水分和无机盐的运输的探究实验．茎是主要的输导器官，其中含有输导组织--导管和筛管．

由题干“小明为探究茎的输导作用”与实验步骤可知该实验的目的是探究茎对水分和无机盐的运输．实验时为加快导管对水分和无机盐的运输，使现象更明显，常采取促进枝条的蒸腾作用的措施，如，保留枝叶、采取光照等．可以看到染成红色的部分是木质部，正是因为木质部中含有导管是自下而上输送水分和无机盐的管道．取两个带有几片叶的桑树枝条甲和乙，将甲剥掉树皮，乙不作任何处理，但同时都保留了木质部，导管依旧存在，所以可以看到木质部被染成红色．
故答案为：（1）茎对水分和无机盐的运输（2）促进水分的运输（3）木质部（4）导管（5）相同（6）木质部；导管；木质部的导管自下．

点评：
本题考点： 探究茎对水分和无机盐的运输；导管的位置和对水分和无机盐的运输；筛管的位置和对有机物的运输．

考点点评： 明确木质部中的导管是水分和无机盐的运输的管道是解题的关键．

小题1:①比喻，如将长江比作白练，将江帆比作疾箭，将下泄的山泉比作闪电，将天上一字排开的飞鸿比作一条线等。
②对偶，如一、二两句对偶，三、四两句对偶，五、六两句对偶等。
③比拟（或拟人），如说新月“学”扇。
④排比，前四句构成。
小题1:（5分）从写景的顺序看：一、二两句写长江万里，远山重重，写的是大处、远景；三、四两句写江上轻帆，山泉飞流，写的是个体、近景；五、六两句则是从前四句的白天转到傍晚，又由地面转到天空。
从动静的角度看：一、二句侧重写江、山的雄伟，是静态的；三、四句着重写江帆的迅疾、山泉的飞流，是动态的。答出远近顺序的，给2分；答出白天夜晚顺序的，给1分；答出静动角度的，给2分。意思答对即可。

X页,
X+4=2*(X-6)
X=16
叶子有20片.

从写景的顺序看：一、二两句写长江万里,远山重重,写的是大处、远景；三、四两句写江上轻帆,山泉飞流,写的是个体、近景；五、六两句则是从前四句的白天转到傍晚,又由地面转到天空.从动静的角度看：一、二句侧重写江、山的雄伟,是静态的；三、四句着重写江帆的迅疾、山泉的飞流,是动态的.答出远近顺序的,给2分；答出白天夜晚顺序的,给1分；答出静动角度的,给2分.意思答对即可.
这是辽宁高考试卷.
以后这类题目请发到学习帮助.

　　jue dui yuan chuang
　　寓言是一个魔袋,虽然很小,却能拿出很多东西；寓言是一个魔豆,虽然很小,却能长成参天大树；寓言是一个魔杖,虽然很短,却能变出很多宝物……寓言很美,美在简洁,美在内涵,美在语句.
　　《伊索寓言》的作者伊索是一位传说中的人物,他生活在公元前六世纪左右的小亚细亚.他以非凡的智慧和哲思,将动物为主角的拟人手法,走遍世界各地,将寓言故事传播到世界的各个角落.
　　使我印象最深的是 《蚊子与狮子》,这则寓言讲的是一只蚊子自认为能战胜狮子,想和狮子比比谁厉害,它吹着喇叭飞到狮子那里,向狮子挑战.它冲到狮子的脸上,专咬狮子鼻子没有毛的地方.狮子气得用爪子把脸都抓破了,还是抓不到蚊子,只好认输,要求停战.蚊子战胜了狮子,非常得意,它继续吹着喇叭唱着凯歌,骄傲地在空中飞来飞去.不小心粘到了蜘蛛网上,被蜘蛛抓住了.在临死的时候,它悲叹道：“我已经战胜了强者,却被弱者所消灭.” 这则寓言告诉我们骄傲是没有好下场的,有些人虽然击败过比自己强大的人,也会被比自己弱小的人击败.
　　强中自有强中手,能人后面有能人.骄傲自满的人一定会得到惩罚,最终会落到和蚊子一样的下场.在我平时的学习中,我的数学成绩一直不是很稳定,有时候能考出全班瞩目的第一名,有时又只能考六、七十分.过去一直不知道是什么原因,读了这则寓言,我终于明白了那是骄傲自满的缘故.每当考了第一名时,我总是沾沾自喜,认为下一次的第一名也是稳拿,可下一次考试时成绩总是不理想.
　　书中每个简短的故事背后,又有哪个没有深刻的含义呢?有的故事教导人们考虑问题要全面——《两只青蛙》；有的则说明了不可违背自然,勉强做事——《乌龟和老鹰》；还有的高速我们不可犯经验主义错误——《驮盐的驴》等.
　　面对寓言大师伊索的文章,会让我感受颇深,受益匪浅.它可以培养我的阅读能力,理解能力,更能让我感受到生活的真谛,领略到生活的智慧,想象的魅力和做人的道理.读一篇寓言,我就好象长大了一岁,又积累到了一点经验,对生活看得更透彻了.
　　读这本书使我获得深刻的人生智慧,使我受益匪浅

23415

5

要先知道刀片切割的损耗厚度,假如为0.5cm,则一立方米标准正方体的花岗石可以切的2cm厚毛板为：1/（0.02+0.005)=40 平方米

室温16度已经低啦.
你的暖气片数没有余量,一般大60暖气片的理论供暖面积是3-4平,但现在都建议多加几片,防止因为房屋保温不好或供暖不好影响室温.
建议你可以按照每片大60暖气片供2平来计算,这样室温可达到18-20度.

如果假设的前提瓦片被风吹落,这情形是合理的.就像水面上放一块硬币,水的张力可以让硬币不下沉,但是一旦平衡打破,硬币就会沉下.差不多吧?

这个跟石灰水的性质有关!因为石灰水比较特殊它是温度越高在水中的溶解度越小!在小镁片与盐酸的反应中是放热的,石灰水温度上升,溶解度下降!自然就析出了晶体来!就浑浊了!
望采纳!

D

光合作用的原料是二氧化碳和水，二氧化碳从空气进入叶片，是通过表皮上的气孔进入，所以将叶片的正反两面涂满具有密封作用的凡士林，光合作用会减弱。

由于沸石的多孔性硅酸盐性质,小孔中存有一定量的空气,常被用于防暴沸.在加热时,小孔内的空气逸出,起到了气化核的作用,小气泡很容易在其边角上形成.
碎瓷片同样是多孔性硅酸盐,可作为沸石,
可以给液体沸腾提供汽化中心,这是由于沸石含有很多毛细孔,其中存在有气体,加热沸腾时,气体受热逸出,提供汽化中心,从而防止暴沸.所以很多多孔性的材料都可作为沸石,如碎瓷片

一Americans love sports—they love to play them, to watch them on television, and to talk about them. But this hobby sometimes has serious results—at least to the players. For example, when people play tennis, sometimes they hurt their elbow（肘部）and in this way they develop “tennis elbow”. Also it is easy to hurt a knee in a football game. These injuries（损伤）happen while the player is having fun, but they still hurt.
A few months ago, Kathleen Simmons, who loves playing volleyball, hurt her knee in a volleyball game. Her doctor told her that she needed a very difficult operation（手术）or she might not be able to play again. She felt very sad and didn’t know what to do.
Then Simmons learned about “video operation”. With the help of this new science in medicine, doctors can now repair many injuries and get people back on the playing field and back to their jobs much faster. Simmons found a hospital that was using this new science and went to see the doctor there. The doctors told her the operation could help.
For this operation, her doctor didn’t have to open her knee. Instead he put a very small camera lens（镜头）inside her knee. The lens sent back pictures, which appeared on a television screen. As he worked, he could see the inside of her knee on the TV. With the help of the large pictures on the screen, the doctor knew exactly what to do when he was making the repairs.
Simmons started walking five days after her operation. “My knee hurt a lot the first few days,” she said. “But I felt better very quickly.” Now, six months after her operation, Simmons can do everything she did before her injury. “It feels like a new knee,” she said. “I can even play volleyball again.”
11. Do Americans love sports?
_____________________________________________
12. What sport is Simmons interested in?
_____________________________________________
13. What did the doctor put inside Simmons’ knee?
_____________________________________________
14. What problem may people have when they play sports?
_____________________________________________
15. What’s the advantage（优点）of the new science? 二 Adam often goes shopping with his mother. His favourite shops are the
supermarkets, because they are big and bright and full of different things.
Adam's mother does the shopping very carefully. She goes to different
SUpermarkets and compares their prices. Adam helps her.
Last time they went to shopping, Adam and his mother went to Big City Supermarket
and Top Value Supermarket. They went to Big City Supermarket first.
"List the prices of the tinned (罐头的) foods, Adam," his mother said. "I'll list the
prices of the fresh foods."
Adam walked up and down the aisles (走廊). He wrote down all the prices. Then he
found his mother looking at the vegetables.
"How much is the tinned milk powder (奶粉)?" his mother asked him.
"Three pounds," Adam said and looked at his list.
"How much is the tinned fish?" his mother asked.
"Two pounds," Adam told her.
He told her the prices of all the tinned foods, and then they went to Top Value Supermarket.
They compared the prices. Some things were cheaper at Top Value than at Big City. Some
things were more expensive.
What do you think Adam's mother did?questions：1. Does Adam often go shopping with his mother?2. What are Adam's favorite shops?3. Why does Adam's mother go to different supermarkets?4. What did Adam's mother ask him to do?5. How much was the tinned milk powder? 三Jimmy lives in a country,and he loves playing in the river near his house,But his father gets a job in a big city,and he moves there with his family. Their new house has a garden,but the garden is small,Jimmy isn't happy"Is there a river near here?"He asks his mother on the first morning.His mother answers,"No,there isn't,but there's a nice park near here and there's a good pool in it.Weare going there this afternoon."Jimmy is happy now. After lunch,Jimmy and his mother go to the park.Jimmy wants to walk near the pool,but there's a sign before it.His mother reads it to him,"Warning;This pool is dangerous.367people fell into it."Jimmy looks into the pool carefully,and he says"But I can't see them".1.Jimmy's family move to a big city because( ).2.Now the family live in a house ( )garden.3.Does Jimmy like the new house or the old house at first?( )4.There's( )in the nice park near their new house. 5.Jimmy would like to( )in the park after lunch. 四My name is Mary Connor. I’m American and I’m a nurse in Rosewood Hospital. I’m 20 and single(独身). My hobbies are tennis and computer games. My brother is also a nurse. Our parents are from the USA but we live in Brighton now. My mother is a painter(画家) and my father is a doctor. I like a penfriend from China or Japan. Please write to: 63 Lily Road, London SWL, England.根据短文内容完成下表：PERSONAL INFORMATION(个人档案)Name: Mary Connor Sex: Girl Age: 20 Occupation(职业): Nurse Nationality(国籍): (1) Employer(雇主): (2) Family: Father, mother, brother Address: (3) Hobbies: (4) Possible penfriends: (5)

正好手边有生物教科书,油菜花萼片、花瓣各4枚雄蕊6枚（4强2弱）,雌蕊1枚.
十字花科萼片花瓣4片十字形排列、4强雄蕊,角果——十字花科的特点.

树上大部分的树叶都落了,只剩几片挂在树上.

海底的生物不同
而且深浅不同

外国人不会用 pieces
面包一般说 slice
几片面包外国人一般说 a few slices of bread
如：我早餐只吃了几片面包：
I only had a few slices of bread for breakfast.

Your plants grow patches of green leaves

不妨设有X个树叶,则有：
4*2+3*3+X=2*（5+X-1）
解得：X=9

（1）那个季节,还不太冷,依稀有几片早落得黄叶,在风中或上或下或左或右、低低地打着旋. （ 描写 ）
（2）妈妈,我回来了,我已经回来了. （抒情 ）
（3）第二天早晨,莎利文老师带我到她的房间,给我一个洋娃娃. （ 记叙 ）

解题思路：此题考查的知识点是蒸腾作用的应用．解答时可以从蒸腾作用的概念、应用方面来切入．

蒸腾作用是水分从活的植物体表面（主要是叶子）以水蒸汽状态散失到大气中的过程，是与物理学的蒸发过程不同，蒸腾作用不仅受外界环境条件的影响，而且还受植物本身的调节和控制．蒸腾作用的主要器官是叶片．刚移栽的植物，根的吸水能力较弱，而蒸腾作用散失大量的水分．为了减少水分的散失，降低蒸腾作用，常常去掉几片叶．
故选：C．

点评：
本题考点： 蒸腾作用的意义．

考点点评： 解答此类题目的关键是熟记蒸腾作用的器官和意义．

奥运会形象
奥运会形象是奥运会的精髓,也是全世界人民共同的思想和情感.奥运会形象源自视觉的,或文字的,抑或图文并茂的要素(如一个字、一个标志、一种符号、一种设计、一条术语或是所有这些的结合体),播散着奥运会和奥运健将们的风采与形象,承载着他们的殷切期望和遐想,是奥运会的核心品牌或信息.
Olympic Image
The core essence of the Olympic Games as it is found in the thoughts and emotions of people around the world. The core brand or message of the Olympic Games, stemming from elements that are either visual or verbal or both (e.g., a word, a mark, a symbol, a design, a term, or a combination of these) that communicate the identity and the image of the Olympic Games and the Olympic athletes, and that convey a set of expectations of and associations with the Olympic Games and the Olympic athletes.

抽取盛夏里最灿烂的几缕阳光,裁剪冬日里最白的一片雪

一叶障目不见泰山.有一片就够了.

英文：Shallow autumn August,unconsciously has reached the end of the month.The sky put it the most beautiful a piece of blue,present in front of us,shadow without a fine dust,a few white cloud in the sky leisurely swim,a lost him.The sun shining,trees gradually yellow,warm air,clamp with a little bit cool and refreshing,with spurts of faint scent,the earth a piece of colour profusion.This is a fascinating season,is also a harvest season,is a worth celebrating season.

his blood pressure sank down after eating some pieces of medicine

解题思路：根据植物进行光合作用、呼吸作用、蒸腾作用的原料、原理、进行的部位分析解答．

绿色植物能进行蒸腾作用，体内的水分通过叶片上的气孔以水蒸气的形式蒸发到大气当中．气孔是水蒸气外出的门户．气孔也是植物体与外界进行气体交换的“窗口”，所以正反两面涂满具有密封作用的凡士林的叶片，使水蒸气很难蒸发到大气中，所以会减少植物的蒸腾作用；光合作用的原料之一二氧化碳也很难进入叶片，所以会减少提供光合作用的原料；呼吸作用所需要的氧气也很难进入叶片内，所以会降低植物的呼吸作用．光合作用不能得到充足的原料，所以产物也会减少，而不是增加．
故选：D．

点评：
本题考点： 探究光合作用的条件、原料和产物．

考点点评： 植物的光合作用、呼吸作用、蒸腾作用是中考考查的重点问题，相关问题同学们一定要了然于心．

C


答案：C
A正确，碎瓷片防暴沸
B、SO ₂ 具有还原性，能被酸性KMnO ₄ 溶液氧化
C.H ₂ 在Cl ₂ 中燃烧火焰呈苍白色，所以C错误。
D．Cl ₂ 在饱和食盐水中溶解性小，用饱和食盐水除去Cl ₂ 中的HCl气体，用NaOH溶液吸收尾气，Cl ₂ ＋2NaOH=NaCl＋NaClO＋H ₂ O

577

some slices of

两次就够了

30块

撷取春光里最美的一束花,< ,捡拾秋风里最红的几片叶,< ,编织成生命的风铃,让幸福快乐永远伴随着你.在括号内填写适当的内容

就是,太怀念了

A 该气体为氧气,据氧气性质可判断.
注意氧气的溶解性是不易溶于水,因此不能选可溶.

茫茫大地,只遗下几片殷红,几声空怅的回音.”“几片殷红”是刽子手的罪证,“几声空怅的回音”是鹤、是被捕杀动物的疑问,它们在呜咽、在哀歌,聪明而又糊涂的人们,睁大眼睛看一看,竖起耳朵听一听：“本是同根生,相煎何太急?”
描写坠落后的环境,给人余后的遐想.

9+8+7+6+5+4+3+2+1=45

用胶粘,再盖一层玻璃

1 是赞扬叶子,还是通过叶子写四季,虽然在最后一段点明了,但是过多的是在说季节,思维可以宽一点,叶子标本,叶脉画.
2 语言本身优美,有小清新的味道.
3 如果是励志内的,文风建议刚毅一点.
总体是篇美文,读着赏心.

22*.05/.25=
4.4

300*300的有2种有17片一箱的23公斤一箱 还有15片包装的20公斤一箱 600的抛光砖4片包装的28-30公斤一箱

there are some cloud on the sky

说一些我的真实感受
感觉从这篇文章不知你想表达什么
感觉这篇文章不要就此收尾,加一些后续,让事实浮出水面,结局要新颖有立意
有一些语病（人称问题）
说实话,这不像作文,有点像是写给父亲的信,

3片,重量轻、噪声小、效率高.

小朋友,自己要努力学习!

声明：吾非智者.词句里满是悲景.如“愁”、“损”、“恨”、“阴沉”、“葬”、“残”、“悲凉”、“黄昏”等,道尽了自己的悲情.用悲景衬托自己的悲情.内心的所有的悲愤及愤恨尽在景中显现,如云是愁云,窗外是阴沉,阳光是残阳等等道尽了自己的悲观心情及内心的不满情绪!一点愚见.仅供参考!

间隔六小时服用一片,一日三次.