Plants take in carbon dioxide and give out oxygen. What is this process called? A. Photosynthesis. B. Respiration. C. Digestion. D. Circulation. 相关知识点: 试题来源: 解析 A。解析:植物吸收二氧化碳释放氧气的过程叫光合作用。选项 B 呼吸作用是生物吸收氧气释放二氧化碳;选项 C 消化作用是生物体...
Fish ___ oxygen through their gills(鳃). III.单项填空: () 1. Air pollution can affect humans by___ sore eyes and respiratory problems, especially in children and___. A. cause, the old B. causing, the older C. causing, the elderly D. cause, the elderly ()...
communitythroughoutthedesignandbuildingoftheschool.Thenumberofstudentsattheschool increasedfrom120to700. KéréisthefirstAfricantobehonoredwiththePritzker.InhisnativeBurkinaFaso,citizens celebratedthewin.NébilaAristideBazié,headoftheBurkinaFasoarchitects?council,saidthe awardhighlightstheAfricanarchitectandthepeopleof...
这个句子的主语是water,谓语是will continue to be,表语是what it is today,补语是next in importance to oxygen.what 在句子中表示"什么的样子"就像She is no longer what she was ten years ago.她不再是十年前的样子了.as 不能引导表语从句.而how 是作状语,表示怎样.which指哪一个...
Is oxygen the only gas ___ helps fire burn?A that B / C which D what 相关知识点: 试题来源: 解析 A核心短语/词汇:help sb./ sth. (to) do sth. 帮助某人/某物做某事句子译文:氧气是唯一的助燃气体吗? 本题考查定语从句。___helps fire burn 用来修饰之前的名词gas, 该从句的引导词在定...
解析 C 关系代词what在这里引导一个名词性从句作to be的表语,同时what在表语从句中又为is的表语成分,这类语法结构还有,如:Show what you have written.(把你所写的给我们看看)和She is not what she was a few years ago.(她可不是几年前的她了)。其他选项均不能表示这种语法关系。
Is oxygen the only gas _ helps fire burn? ()A. thatB. /C. whichD. what 相关知识点: 试题来源: 解析 A 这道题考查的是定语从句。先行词是 “gas”(气体),后面的 “helps fire burn”(有助于火燃烧)是定语从句,用来修饰先行词 “gas”。关系词在这个定语从句中做主语,表示物。这里有个重要的...
A.that B./ C.what D.it相关知识点: 试题来源: 解析 A 考查定语从句。Gas为先行词,在定从___ helps fire burn中作主语,且that作主语时不可省略。所以选A。 分析总结。 gas为先行词在定从helpsfireburn中作主语且that作主语时不可省略反馈 收藏 ...
What is the maximum oxygen percentage allowed in a tank? A. 12% B. 6% C. 8% D. 10% 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: C 复制 纠错 举一反三 全力构建“14355”财务发展目标框架,大力实施财务金融一体化、()、集约化管控...
How is aspiration pneumonia treated?You may need any of the following:Antibiotics are given to treat pneumonia caused by bacteria. You may be given antibiotics as pills or through your IV. Steroids are given to reduce swelling in your lungs. You may need extra oxygen if your blood oxygen ...