So the leaves are a plant's own food factory. They are very busy! Trees can't grow w___ leaves.In winter,or dry s___, leaves get old,and then,fall off during that time,trees stop growing because their food factories have gone. But,when spring comes with plenty of sunshine and go...
the real experts:they've been using 1 as an energy source for billions of years. Cells in the green leaves of plants work 2 tiny factories to convert sunlight, carbon dioxide, and water into sugars and starches-stored energy that the plants can use, this conversion process is called ...
In the lab, the researchers first take cells from the leaves of a young plant. These cells are cultured in liquid medium for two days, then moved to another medium which contains nutrients and two different hormones (激素)...
After a recent Everyday Grammar story, we received a question from a teacher. The teacher asked about the grammatical structure of an Ernest Hemingway quote. The line has the words, "there are shadows of the leaves." The teacher w...
Now this here is called a stump.这个叫做树桩（stump）。It's the bit that's left of the tree when it's been cut.它是树被砍断后剩下的部分。This type of plant here is called a vine.这里的这种植物叫做藤蔓（vine）。A vine is a plant that grows on other things.藤蔓是一种长在其他东西...
根据文章最后一句There is one good way to prevent the ___15___. Stay away from the plant! 可知“阻止这种不适的最好方法是避开这种植物”。故选B。【小题4】查动词词义辨析。句意:幸运的是,这种植物易于辨认。A. forget忘记;B. grow生长,成长;C. fertilize使受孕,施肥于;D. recognize辨认,辨别。
结合Leaves need water,which they get from the tree树叶通过树茎获得水,故选A。【小题4】句意:所有的植物都依赖于一种叫做叶绿素的化学物质,这种化学物质使叶子呈现绿色。考查短语。A. keep off不接近;B.rely on 依靠;C.turn into 变成;D.give up放弃。结合called chlorophyll(叶绿素),which gives leaves ...
Likewise, a plant that is frondescent is just beginning to bud or produce leaves; frondescence is the process of budding or producing leaves; and when a plant frondesces, then it grows or puts forth leaves or buds. All four of these come from the Latin word for “leaf,” frons.根据...
(叶绿素),which gives leaves their green colour. Leaves need sunlight ,too. Sunlight and chlorophyll work together to turn water and carbon dioxide into a kind of sugar. This sugar is the food that provides plants___energy. When they make food , trees give off a gas called oxygen. Animals...
1. Any of several otherfragrantplant resins, such as Canada balsam. 芳香脂植物其他几种芳香植物脂中的一种,如加拿大香脂 2. The red leaves of maple trees of theFragrantHills are the most charming autumn scenery in Beijing. 香山红叶是北京最浓最浓的秋色。