It would be a good idea to use a plastic bottle, ___cut off, as a container to grow young plants in.

更多内容推荐

• We spent a day in the country, picking wild flowers. _____ the car full of flowers we went home. [ ]
• The answerthe teacher，she asked the little boy to try a second time．A．disappointedB．disappointingC．b
• 棱长是1cm的小立方体组成如图所示的几何体，那么这个几何体的表面积为（）A．36cm2B．33cm2C．30cm2D．27cm2-数学
• 如果正方体的棱长为13a，那么正方体的表面积为______，体积为______．-数学
• 一位美术老师在课堂上进行立体模型素描教学时，把14个棱长为1分米的正方体摆在课桌上成如图形式，然后他把露出的表面都涂上不同的颜色，则被他涂上颜色部分的面积为（）A．33分-数学
• 棱长是1cm的小立方体组成如图所示的几何体，那么这个几何体的表面积为[]A．36cm2B．33cm2C．30cm2D．27cm2-七年级数学
• 将边长为11cm的正方形铁片的四个角各剪去一个边长为3cm的小正方形，如图所示，剩余部分折成一个无盖的长方体盒子，该盒子的容积是()cm3．-七年级数学
• 一位画家把边长为1米的7个相同正方体摆成如图的形式，然后把露出的表面涂上颜色，那涂色面积为（）。-九年级数学
• 一个底面为正方形的直棱柱的侧面展开图是边长为8的正方形，则它的表面积是（）。-八年级数学
• ______ the price of pork rising sharply, poor families in China are suffering a lot. [ ]A. Because B
• You have no idea how she finished the race _____ her foot wounded so badly. [ ]A. for B. when C. wit
• All her time ________ experiments, she has no time for films.A．devoted to doB．devoted to doingC．devo
• The company in Suzhou produced quantities of first-class silk, most of them ____ to Europe.A．selling
• That________my first visit to Hong Kong，I didn’t know where I should go first.There were so many thi
• The dull film finally ，we all rushed out of the hall.[ ]A. come to endB. coming to an endC. coming t
• So many directors ________, the board meeting had to be put off.A．were absentB．been absentC．had been
• _______ more trees being cut, huge quantities of good soil are being washed away into the Yellow Riv
• _____ our food running out, we had to walk to a village for help. [ ]A. Since B. Because C. With D.
• There ______no strong earthquake in the area in the near future, people have no fear in mind. [ ]A.
• Mr. Smith invited me to attend his wedding ceremony, but _____ seriouly ill, I refused his invitatio
• He still remembers when he was a little boy, he used to go there and watch ______. [ ] A. to repair
• I thought he would offer to pick me up. _______, he even refused me when I asked him to do so.A．In o
• Mother went shopping; __________, I cleaned the house.A．whileB．whenC．howeverD．meanwhile-高二英语
• The millionaires, ____, are not happy as most of us had thought.A．honestB．to be honestC．honestD．to b
• It is so nice to hear from her.________,we last met more than thirty years ago.[ ]A．What's more
• _________ the lecture going on, the students got more and more interested.A．WithB．WhileC．DuringD．As
• It is so nice to hear from her. _____, we last met more than thirty years ago. [ ]A. What's mor
• The teacher asked us ____ so much noise. [ ]A. don't make B. not make C. not making D. not to m
• The student said to me, "She has made a close study of the problem." The student told me t
• The village seemed deserted, the only sign of life ____ some trees waving in the wind. [ ]A. wereB.
• ______ the exams to worry about, I have to work really hard this weekend. [ ]A. As B. For C. With D.
• _____ more and more forests destroyed, some animals are facing the danger of dying out. [ ]A. With B
• He said to his younger sister, "You may come with me." He told his younger sister that __
• 右图是某植物茎的结构图，请据图回答下列问题：（1）图中的[1]叫做______，它的内侧部分是______，其中的筛管具有运输______的功能．（2）图中的[2]叫做______，它能够使木本植物的
• 木本植物茎从外到内由树皮；形成层，木质部和髓四个部分构成．______．（判断对错）-七年级生物
• 右图为某植物茎的结构示意图，请根据该示意图回答下列有关问题：（1）图中1所在位置主要运输的物质是______．（3）图中2所示结构为______，其特点是能够进行______．（3）图中箭头4表-生物
• 水分和无机盐是通过茎的哪部分运输的？某同学就这个问题进行了如下探究：作出假设：水分和无机盐是通过茎的木质部运输的．制定和实施探究方案：①取一段柳的枝条，将其下部处理成只-生物
• 木本茎的结构从外到内一般______形成层、木质部、髓．-生物
• 一棵幼小的杨树苗，十几年以后，就能长成十几米高，合抱粗的大杨树，能使杨树茎逐渐加粗的结构是（）A．树皮B．形成层C．韧皮部D．木质部-生物
• 将带花的白玉兰枝条插人稀释的红墨水中，一段时间后花瓣变成红色．与这一现象直接相关的部分是（）A．树皮B．韧皮部C．形成层D．木质部-生物
• 明明在春天剪取了一段柳树的枝条，到实验室来进行观察：（1）他将枝条插入到了稀释红墨水中，一段时间后，将枝条横切做切片观察(如上图左图)，发现A部分被染成红色，这个部分应-七年级生物
• 筛管的作用是：[]A．运输水和无机盐B．运输有机物和水C．运输有机物和无机物D．运输有机物-七年级生物
• 小麦茎与柳树茎在结构上的主要区别是[]A．小麦茎内无导管B．小麦茎内无木质部C．小麦茎内无筛管D．小麦茎内无形成层-七年级生物
• “一年之际在于春”。春天是多数农作物的播种季节，春天更是万物生长的季节。勤劳的农民伯伯又开始了一年的劳作。请你利用所学过的生物学知识，为农民伯伯解答下列在生产、生活-七年级生物
• 植物的茎无论是垂直生长还是水平生长，都是________细胞分裂和伸长的结果。[]A．顶芽生长点B．茎基部几个节的部分C．叶原基D．叶基部-七年级生物
• 小柳树因遭破坏，茎的基部被剥去一圈树皮，一段时间后就会死亡的原因是[]A．切断了导管，叶缺少无机盐B．切断了导管，根缺少无机盐C．切断了筛管，叶缺少有机物D．切断了筛管，根-七年级生物
• 植物的根部吸收的水分和无机盐是沿着________自下而上运输到植株各处的；而叶片制造的有机物则是沿着________自上而下运输到根等其它器官的。-七年级生物
• You said to me, "I saw the film two days ago." You told me that you had seen the film __ [
• The teacher said that doubt ____ the key of knowledge. [ ]A. were B. are C. was D. is -高一英语
• She said to me, "My mother took me to an exhibition yesterday." She told me that her mothe