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
外语
A、Quiet plants. B、Well-watered plants. C、Healthy plants. D、Thirsty plants. D细节判断题。重点测试比较结构prefer…rather than…。短文的第四段第二句指出:many i
A、Quiet plants. B、Well-watered plants. C、Healthy plants. D、Thirsty plants. D细节判断题。重点测试比较结构prefer…rather than…。短文的第四段第二句指出:many i
admin
2010-03-26
50
问题
We all scream for water when thirsty. But do you know But do you know in very hot dry weather, plants also make faint sounds as if they cry out for help?
You see, in a plant’s stem, there are hundreds of water pipes that bring water and minerals from the soil all the way up to the leaves. As the ground turns dry, it becomes herder and harder for the plants to do this.
In severe droughts, plants have to fight to pull out any water available. Scientist Robert Winter has found out that when it is really bad, their water pipes snap from the tension like rubber bands. When that happens, the whole plant vibrates a little. The snapping pipes make noises ten thousand times more quiet than a whisper.
Robert knows that healthy well-water plants are quiet. He also knows that many insects prefer attacking dry plants rather than healthy plants. How do the insects know which ere healthy plants and which ere not? Robert thinks that the insects may listen for the plants that cry and then they may buzz in to kill.
To test his theory, Robert is using a device that can imitate plant cries. He attacks it to a quiet healthy plant so that the plant sounds thirsty. Then he watches insects to see if they attack more often than usual,
If he is right, scientists could use the insects’ ability against them. They could build traps that imitate crying plants. So when the insects buzz in to eat, they won’t buzz out.
选项
A、Quiet plants.
B、Well-watered plants.
C、Healthy plants.
D、Thirsty plants.
答案
D
解析
细节判断题。重点测试比较结构prefer…rather than…。短文的第四段第二句指出:many insects prefer attacking dry plants rather than healthy plants.许多昆虫喜欢攻击干枯的植物,而不喜欢攻击健康的植物。所以答案选D
转载请注明原文地址:https://kaotiyun.com/show/A1OK777K
0
大学英语六级
相关试题推荐
ThefamilyinBritainischanging.TheoncetypicalBritishfamilyheadedbytwoparentshas(36)______substantialchangesduri
ThefamilyinBritainischanging.TheoncetypicalBritishfamilyheadedbytwoparentshas(36)______substantialchangesduri
A、Residentstherecan’tgohomedirectlybybus.B、Thehousesaretooexpensivetoafford.C、Peopletherearesomehowunreasonab
IntheCaucasusregionoftheSovietUnion,nearly50outofevery100,000peoplelivetocelebratetheir100thbirthday,andma
ParentstendtoregardthediplomafromStanfordorPrincetonasthe______.Whatshouldparentscometorealizeaccordingtoth
Bytheearly1900’s,manypeopleintheUnitedStatesbegantoworryabouttheuseofalcoholbycitizens.Itwaspossiblethatt
A、Probingintotheprivacyoffamouspeople.B、Shortarticlesaboutlessimportantevents.C、Colorfulpicturesandsmallersize.
Thepassageismainlyaboutthedifferencesbetweenconventionalandorganicfarming.Organicfoodisnotnecessarilybetterth
Somepsychologistsmaintainthatmentalactssuchasthinkingarenotperformedinthebrainalong,butthatone’smusclesalso
A、Sortthemail.B、Answerthemail.C、Readthemagazines.D、Fileimportantinformation:AAccordingtothespeaker,whatshouldt
随机试题
正常成人的二尖瓣口面积是
试述国际金融环境和外汇环境对跨国公司开展国际营销活动产生的影响。
A.可加重组织损伤B.可起到调理素的作用C.可使炎症局限D.可清除致炎因子E.可稀释毒素纤维蛋白渗出
急性坏死性溃疡性龈炎的特征性临床表现是
银量法测定苯巴比妥含量时,1ml硝酸银滴定液(0.1mol/L)相当于苯巴比妥的量是(苯巴比妥的分子量是232.24)
出租车司机王某在与乘客许某攀谈时,得知许某携现金去为公司采购笔记本电脑,遂起歹意,将其打昏后,抢得人民币5万元,后恐其醒来报案,于是将其杀害,王某的行为构成:
各级政府编制年度预算草案的依据不包括()。
张伟,男,56岁;刘翠,女,55岁,二人均早年丧偶,张伟的儿子丁丁,1998年参加工作后和父亲分开居住。刘翠身边有一个儿子东东。1999年张伟与刘翠经人介绍结婚,东东跟着他们在一起生活。2000年,刘翠因病去世,没有留下遗嘱。根据案例,回答以下问
在对外资金融机构进行税务检查时,依照外资企业所得税的现行规定,下列对有关坏账准备和坏账损失的处理正确的是( )。
下列叙述中,不属于软件需求规格说明书的作用的是_______。
最新回复
(
0
)