首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
专升本
What’s the best way to protect a tender, green seedling from the hungry stomach of deer? Give the seedling bad breath! The s
What’s the best way to protect a tender, green seedling from the hungry stomach of deer? Give the seedling bad breath! The s
admin
2016-08-13
21
问题
What’s the best way to protect a tender, green seedling from the hungry stomach of deer? Give the seedling bad breath!
The same chemical that gives people bad breath after they have eaten garlic can save small trees from being eaten by animals.
A kind of chemical selenium(硒), which is also found in garlic, is planted in the soil near a young tree. The tree’s roots absorb the selenium which is then carried to the leaves.
From there the selenium is used to form a chemical called dimethyl selenide(乙烷硒化物)—the same chemical made in the human mouth after eating garlic. As deer wander around looking for food, they smell the seedlings’ leaves and leave the plants alone.
The selenium is important. Why? Because each year deer eat millions of dollars* worth of trees farm seedlings.
So far, selenium has been tested only on Douglas fir(枞树)seedlings, but researchers think they could protect fruit trees and garden plants, too.
The best title of this passage is______.
选项
A、Hungry Deer and Young Trees
B、Why Don’t Deer Eat Young Fruit Trees
C、Plants Saved by "Bad Breath"
D、How to Protect Young Trees
答案
C
解析
文章主要介绍引起bad breath的气体及其在保护树木不被deer吃掉方面的作用。
转载请注明原文地址:https://kaotiyun.com/show/pBiC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
SupposeyouworkinabigfirmandfindEnglishveryimportantforyourjobbecauseyouoftendealwithforeignbusinessmen.Now
FireandWaterShundagarhisavillageonIndia’seast-facingcoast.Itisavillageofsimplemudandgrasshousesbuilton
Oureatinghabitsareveryimportantforgoodhealthandastrongbody.Therearetimeswhenmostofuswouldrathereatsweets
Thesmallnumberofnewbornbabies,whichhasbeencausedbyhighpricesandthechangingsocialsituationofwomen,isoneoft
Thethoughtofnotsleepingfortwenty-fourhoursormoreisnotapleasantoneformostpeople.Theamountofsleepthateachp
UncleSamisatall,thinman.He’sanoldermanwithwhitehairandawhitebeard.Heoftenwearsatallhat,abowtie,andth
Theroomhasbeendecorated______modemfurniture,butthecolorofthecurtainsdoesn’tit.
A、beastB、measureC、realD、breatheB
UncleSamisatall,thinman.He’saneldermanwithwhitehairandawhitebeard.Heoftenwearsatallhat,abowtie,andth
—Howmuchdidthissetoffurniturecost?—Iforgot______.
随机试题
说明心理技术学、霍桑实验、群体动力理论、需要层次理论在管理心理学产生中的作用。
“知识就是力量”这句名言出自()
女性,23岁,工作时不慎长发被卷入机器中,头皮被整体撕脱,范围向前包括部分眼睑皮肤,后及枕部,双侧包括耳后皮肤和耳轮,伤后2小时被送入医院急诊科。接诊后应当最优先采取的措施是
薤白的功效是()
关于分部分项工程成本分析的说法,正确的有()。
文饰作用是指人们在受挫折后会想出各种理由原谅自己,为自己的失败辩解的现象。根据上述定义,下列现象不属于文饰作用的是:
助人自助(中山大学2012年研;西南大学2010年研)
请简要解释以下段落中画线部分的知识点“上海发布”微博平台在新浪网、腾讯网、东方网、新民网同时上线。这是上海市政府新闻办公室实名认证的政务微博,旨在及时发布权威的上海政务信息,努力提供涉沪实用资讯,积极与网友开展互动,回应群众关切。“上海发布”首期推出早
简述抗战胜利后中间路线的内容。
在Word中编辑一篇文稿时,纵向选择一块文本区域的最快捷操作方法是()。
最新回复
(
0
)