How do they get water from their roots to the treetops? Most land trees, including redwoods, have xylem(木质部), or a system of small, tube-like cells. But without a pump, what makes water move through the xylem? Water evapo...
a30 minutes later our lunch break time will be finished. You have to go out, See you later. 30分钟后将完成我们的午休时间。 您必须出去,再见。[translate] a姚凤 Yao Feng[translate] aWangYouchao WangYouchao[translate] aI wonder how soon you will water this kind of tree 我怎么想知道 很快您...
dig a hole挖一个坑。因此,正确答案是hole。2. tree, hole, sure, straight句意:把树放进坑里,保证它是直的。put sth.in把某物放进...;make sure保证;straight直的。因此,正确答案是tree;hole;sure;straight。3.Put句意:把土填回坑里。put sth. into把..放进因此,正确答案是Put。4.foot句意:用你...
( )1___do we get from plants? A. What B. How C. Who D. Which( )2. Air, water and sun help plants E. grow F. grows G. growing . to grow( )3. The apple tree can give us___ . oranges . grapes . apples . bananas( )4. Do you like fresh air?___ . Yes, it...
百度试题 结果1 题目读一读,排一排。 How to plant a tree: ( ) Water it.( ) First, dig the soil.( ) Wait for it to grow.( ) Then put the plant in the soil. 相关知识点: 试题来源: 解析 3 1 4 2 反馈 收藏
However, to say that a tree needs deep watering does not mean dumping huge quantities of water on it in within a few minutes. When this is done, much of the water simply sinks through the soil layer past the tree's roots and is never taken up by the roots at all. The best deep ...
Whichistherightordertoplantatree?① Water the small tree.② Dig a hole deep enough.③ Put the small tree in the hole.④ Put the earth back into the hole.A:②③④①B:①②③④C:④②③① 相关知识点: 试题来源: 解析 A 本题主要考查对题目内容的理解。题目中要求选出种树的正确顺序...
Plants get the energy they need from the sun. 植物生产食物的过程还需要水 water, 大自然中的植物不需要你去浇水, 雨水rainwater 就够了! 再通过根部 roots 吸收水分 absorb water。 water是一种化学物质,可以用化学符号 H2O来表示, H是氢原子,O是氧原子, ...
1. water, where, come, does, from ? 2. put, under, it, sun, the . 3. how, plant, you, tree, a, do ? 4. for, flower, wait, a, to, grow . 5. the, seeds, a, in, put, pot . 6. you, see, sprout, can, a, in, days, several . 试题...
故正确答案为A。相关推荐 1Do you know how to plant a tree?Which is the right order to plant a tree?① Water the small tree.② Dig a hole deep enough.③ Put the small tree in the hole.④ Put the earth back into the hole.A. ②③④①B. ①②③④C. ④②③① ...