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
考研
Most plants can make their own food from sunlight, (1)_____ some have discovered that stealing is an easier way to live, Thousan
Most plants can make their own food from sunlight, (1)_____ some have discovered that stealing is an easier way to live, Thousan
admin
2010-11-27
49
问题
Most plants can make their own food from sunlight, (1)_____ some have discovered that stealing is an easier way to live, Thousands of plant species get by (2)_____ photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground (3)_____ of fungi(真菌). But in (4)_____ a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how (5)_____ are (6)_____, mycologist Martin Bidartondo of the University of California at Berkeley and his team looked in their roots. What they found were (7)_____ of a common type of fungus, so (8)_____ that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only (9)_____ at how they survive, says Bidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.
Plants have (10)_____ relations to get what they need to survive. Normal, (11)_____ plants can make their own carbohydrates through photosynthesis, but they still need minerals. Most plants have (12)_____ a symbiotic relationship with a (13)_____ network of what are called mycorrhizal fungi, which lies beneath the forest (14)_____. The fungi help green plants absorb minerals through their roots, and (15)_____, the plants normally (16)_____ the fungi with sugars, or carbon. With a number of plants sharing the same fungal web, it was perhaps (17)_____ that a few cheaters—dubbed epiparasites—would evolve to beat the system. (18)_____, these plants reversed the flow of carbon, (19)_____ it into their roots from the fungi (20)_____ releasing it as "payment".
选项
A、large
B、vast
C、great
D、big
答案
B
解析
形容词辨析。可以修饰network的是vast,表示范围之大。
转载请注明原文地址:https://kaotiyun.com/show/WHZ4777K
0
考研英语一
相关试题推荐
Theword"contained"(Line6,Paragraph1)mostprobablymeans______.Accordingtothetext,whichofthefollowingsisnotre
Inthefollowingarticle,somesentenceshavebeenremoved.ChoosethemostsuitableonethelistA—Gtofitintoeachofthenu
TelevisionstationsintheU.S.areNOTallowedtobroadcastprogramsof______Accordingtothetext,theHispanicnewsmedia
Accordingtothefirstparagraph,NayanChanda______.Wecanlearnfromthelastparagraphthat______.
Sometimeswehavespecificproblemswithourmother;sometimes,lifewithhercanjustbehardwork.Iftherearedifficultiesi
Sometimeswehavespecificproblemswithourmother;sometimes,lifewithhercanjustbehardwork.Iftherearedifficultiesi
Youaregoingtoreadalistofheadingsandatextaboutwhatparentsaresupposedtodotoguidetheirchildrenintoadulthood
Therewasatimewhenparentswhowantedaneducationalpresentfortheirchildrenwouldbuyatypewriter,aglobeoranencyclo
Portabledevicesarebecominglighterandmoreappealing.Booksarebeing(1)_____intodigitalformbythethousands.Themost
C-span’sprime-timescheduleisusuallyabout______.ItismentionedthatC-spanissellingDVD’sincludingspeechesandacome
随机试题
综合布线系统的交接间数量,应从所服务的楼层范围考虑。如果配线电缆长度都在90m范围以内时,宜设几个交接间?[2005年第120题]
高氧化还原电位酸性水对下列材料均有中度腐蚀作用的是
在详细可行性研究阶段,其投资和成本估算的精度要求在()以内。
下列费用中,应计入“与未来生产经营有关的其他费用”的有()。
一般资料:张某,女性,19岁,大学一年级学生。案例介绍:张某上大学近一年来,学习认真,成绩良好,很乐于助人,人际关系良好,是班里的团支部副书记。张某平常非常爱干净,内、外衣服每日要换洗,枕巾、床单、被单等也要每日一换。为此耽误了许多时间,也把自己搞
埃里克森认为,信任感是一个人对周围世界的基本态度,它在婴儿期建立,并在以后继续发展。()
阅读下列材料,并回答问题。某中学在“整顿校纪校风”活动中,让各班级自定违纪违规处罚制度。二(3)班班主任牛老师率先发动班级同学制定了这样的“班规”:迟到一次罚10元,不出操一次罚10元,课上睡觉罚15元,旷课一节罚20元,打架一次罚150元,考试
设f(x)在[a,b]上连续可导,且f(a)=f(b)=0.证明:|f(x)|≤1/2∫ab|f′(x)|dx(a<x<b).
窗体上有1个名称为Command1的命令按钮,事件过程如下:PrivateSubCommand1_Click() m=-3.6 IfSgn(m)Then n=Int(m) Else n=Abs(m) EndIf
W:Pleasedeposit(投进去)twentymorecents.M:________
最新回复
(
0
)