Plants can't do photosynthesis without a certain substance. This substance is colorless, odorless and exists in the air. What is it? A. Carbon monoxide B. Carbon dioxide C. Sulfur dioxide D. Ammonia 相关知识点: 试题来源: 解析 B。解析:本题考查植物光合作用所需物质的英语表达及相关性质。
In some polluted areas, plants may not be able to do photosynthesis well. What can we do to help plants do photosynthesis better for environmental protection? A. Pour more waste water into the soil B. Release more harmful gases into the air C. Clean up the air and soil pollution D. ...
题目Plants can make food by ___. A. breathing B. absorbing water C. photosynthesis D. moving 相关知识点: 试题来源: 解析 C。解析:植物通过光合作用制造食物,photosynthesis 是光合作用;breathing 是呼吸;absorbing water 是吸收水分;moving 是移动。反馈...
plastic bags have polluted the land, industrial waste gas, automobile exhaust pollution the air, trees and flowers are hard to meet again, only can see is just a weak looking trees flowers and plants, all everything has disappeared, the earth on a red alert. The...
If there is not enough ___, plants can't make their food through photosynthesis. A. sunlight B. water C. soil D. space 相关知识点: 试题来源: 解析 A。解析:如果没有足够的阳光,植物不能通过光合作用制造食物。选项B水主要用于运输养分等,C土壤是扎根和获取部分养分的地方,D空间不是光合作用的必...
Plants can make their own food through ___. A. photosynthesis B. breathing C. sleeping D. running 相关知识点: 试题来源: 解析 A。本题考查植物制造食物的方式。植物通过光合作用制造自己的食物,所以答案是 A。B 选项呼吸不是制造食物;C 选项睡觉不能制造食物;D 选项跑也不能制造食物。反馈...
A. photosynthesis B. respiration C. fermentation D. digestion 相关知识点: 试题来源: 解析 A。绿色植物通过光合作用制造自己的食物。听力中听到关于植物制造食物以及相关过程的描述可判断。选项 B“respiration”是呼吸作用;选项 C“fermentation”是发酵;选项 D“digestion”是消化。涉及词汇有“green plants”“ma...
Plants can make food by___. A. breathing B. absorbing water C. photosynthesis D. growing taller 相关知识点: 试题来源: 解析 C。本题考查植物的作用。选项 A“breathing”是呼吸作用;选项 B“absorbing water”是吸收水分;选项 C“photosynthesis”是光合作用,植物通过光合作用制造食物;选项 D“growing ...
A. eating other plants B. photosynthesis C. hunting animals D. doing nothing 相关知识点: 试题来源: 解析 B。本题考查植物制造食物的方式。选项 A,植物一般不会吃其他植物来制造食物。选项 C,植物不能狩猎动物。选项 D,植物不是什么都不做就能制造食物。而植物是通过光合作用(photosynthesis)来制造食物。反...
Which sentence is true? A. More carbon dioxide always means faster photosynthesis. B. Less carbon dioxide is better for photosynthesis. C. A certain amount of carbon dioxide is required for photosynthesis. D. Carbon dioxide is not needed in photosynthesis. 相关知识点: ...