7. What happens to the leaves in autumn?相关知识点: 试题来源: 解析 The leaves turn yellow, orange, and red and then fall off the trees. 在秋季,气温下降,日照时间减少,导致树叶中的叶绿素分解。原本存在的类胡萝卜素显现出来,使树叶呈现黄色、橙色和红色。同时,树叶中积累的糖分也促进了颜色变化。
7. The leaves change color and fall off the trees. 8. Farmers harvest their crops and prepare the land and seeds for the next planting season. 7. 秋天,树叶会变色并从树枝上掉落。 这是因为气温下降,日照时间减少,树叶中的叶绿素分解,而黄色和橙色素显现出来。 8. 秋天,农民会收割庄稼,并为下一...
What happens to the leaves of the maple tree in autumn? A. They turn red. B. They turn yellow. C. They fall off. D. They stay green. 相关知识点: 试题来源: 解析 A。解析:枫叶在秋天变红。本题考查对枫叶在秋天变化的了解以及复合句中时间状语 in autumn 的用法。反馈 收藏 ...
阅读材料:Autumn is the season of harvest. The leaves turn yellow. 问题:What happens to the leaves in autumn? A. They turn green. B. They turn red. C. They turn yellow. D. They stay the same. 相关知识点: 试题来源: 解析 C。解析:文中说“Autumn is the season of harvest. The ...
一、根据所给提示或图片完成句子。1.What(happen) to trees in different seasons?2.It's in winter.bú3. Trees have green in summer.4.I like in the sea.5.They are looking at the in the sky. 相关知识点: 试题来源: 解析 -1.happens 2.snowy/cold 3.leaves 4.to swim/swimming 5.clouds ...
百度试题 结果1 题目What to leaves in summer? A. happen B. happened∴happens D. happening 相关知识点: 试题来源: 解析 C 反馈 收藏
What happens to trees in winter? ( ) A. The trees lose their leaves. The leaves are red, yellow and orange. B. Many trees don't have any leaves. C. The trees have new, green leaves. 相关知识点: 试题来源: 解析 B 句意为在冬天树发生了什么?A树失去了他们的叶子,叶子是红的、黄的...
The webs of their roots protect against mudslides while allowing soil to retain water and filter out toxins. Roots help prevent floods, while reducing the need for storm drains and water treatment plants. Their porous l...
C. It looks good and has green leaves.D. Some students water it every day.( )64. What do plants use to grow?A. Water, O_2 and sun.B. CO_2 andO_2.C. Water, CO_2 and sun.D. Sun andO_2.( )65. Which subject may Miss Johnson teach?
- Some plants have many leaves. 2. 重要的不是发生在你身上的事,而是你对发生在你身上的事做了什么。 - It's not what happens to you that counts; it's what you do with what happens to you that counts. 3. 不要等到明天是周末。 - Don't wait until tomorrow is the weekend. 4. 那在...