解析 A。解析:obtain有获得、得到的意思,植物的根在获得养分方面起着关键的作用,比较正式和书面;get是最常用的得到的意思,但相比之下obtain更适合这里较为专业的语境;attain表示达到、实现,通常指达到某种目标或成就,与获得养分不符;achieve也是实现、达成的意思,与获得养分的语境不匹配。
百度试题 结果1 题目( )5.___are the roots of plants. A. Carrots B. Tomatoes C. Lettuces 相关知识点: 试题来源: 解析 A 题目询问植物的根部,选项中只有胡萝卜(Carrots)是植物的根部,因此答案为 A。反馈 收藏
百度试题 结果1 题目The roots of plants absorb water and nutrients from the _. A. air B. soil C. sun D. wind 相关知识点: 试题来源: 解析 B。植物的根从土壤中吸收水分和养分。空气、太阳和风都不是提供水分和养分的来源。反馈 收藏
The roots of plants help them to ___. A. make food B. take in water C. fly D. sing 相关知识点: 试题来源: 解析 B。本题考查植物根的作用。植物的根帮助它们吸收水分,选项 A“make food”制造食物主要是叶子通过光合作用完成;选项 C“fly”飞和选项 D“sing”唱歌都不是根的作用。反馈...
The roots of some plants can be used to make medicine. This is a kind of ___ use. A. Ornamental B. Medicinal C. Edible D. None of the above 相关知识点: 试题来源: 解析 B。这道题考查植物用途的分类。一些植物的根可以被用来制药,这是药用用途。A选项“Ornamental”是观赏用途;C选项“Edibl...
easy for the roots of plants to grow 根系易于生长 to make plants grow better 使作物生长良好 after the plants have started to grow 作物开始生长以后 grow into 长成,发展成为 to grow 栽培 grow on v.引起...爱好,加深影响 grow in 增加在...方面成长 by the roots 连根地从根本上 gr...
The roots of some plants can help to ___ the soil structure. A. destroy B. improve C. ignore D. reduce 相关知识点: 试题来源: 解析 B。解析:一些植物的根有助于改善土壤结构。根不会破坏(destroy)、忽略(ignore)或者减少(reduce)土壤结构,而是起到改善的积极作用,所以A、C、D错误。反馈...
The big treetrunk is a stem. The stem of a cabbage plant is so shortthatyou may not seeit.Vines are a kind of stem. The tinytubes in the stem of a celery plant are easy to see.LeavesThe leaves of green plants have tiny opening in them. Tosee these openings, you wil need the ...
Plants have flowers because flowersmake seeds.New plants grow from seeds.People eat all parts of the plants.For example,weeat the leaves of a cabbage,and the root of a carrot.Which part of rice do we eat?We eat the seeds.Theseeds of the rice plant feed billions of people.A plant has...
1.细节题。由第一段第二句 Plantsusethesepartstogetlightandwater 可知,本句的parts指代前面提到的的roots,stems,andleaves,所以能获得阳光和水分的是roots,stems,andleaves。故正确答案为B。2.细节题。由第三个小标题 Fruit 下面的段落的第二句Fruitskeepseedsinsafety可知,果实的作用是使种子安全。故正确答案为...