首页
登录
职称英语
Lightning bugs can blink themselves because of a chemical substance [br] [origi
Lightning bugs can blink themselves because of a chemical substance [br] [origi
游客
2024-10-10
5
管理
问题
Lightning bugs can blink themselves because of a chemical substance [br]
Lightning bugs are one special species in nature, they have own feature in the abdomen of their bodies, in which there is a chemical substance. And they can light them up and control when they blink and how long they blink.(12)But why lightning bugs light up? The following reasons may account for this. They are basically to find a mate. It’s a way that lightning bugs communicate with each other. They use their blinking signals to attract each other.(13)The female lightning bugs have brighter and stronger light, because they are the ones who are trying to attract males to them.(12)And different species of lightning bugs have different patterns of flashing light to attract their own species. For example, if there are five different species of lightning bugs all in the same field, they can tell who is their same species and who is not.(12)On other condition, lightning bugs light up when they see their enemies. They aim to frighten and warn the enemies by doing this. Some researchers once made experiments on mice in 1997; they confirm that light given off by lightning bugs plays a warning role on mice. This result of research is beyond people’s expectation.
选项
A、They use blinking signals to communicate.
B、They use blinking signals to seek for food.
C、They use blinking signals to attract their own species.
D、They use blinking signals to frighten and warn enemies.
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3795107.html
相关试题推荐
Scientistsreportedthatmorethan320kindsofchemicalcomponents______inth
Kenya’sforeignministersaysheisleavinghispostbecauseof[br][originalt
Kenya’sforeignministersaysheisleavinghispostbecauseof[originaltext]
Lightningbugscanblinkthemselvesbecauseofachemicalsubstance[originaltex
Becauseofthe______ofitsideas,thebookwasinwidecirculationbothathome
Tomwasn’tpaidbecausehewasthe______secretaryoftheassociation.A、honorable
Accordingtothenews,theindoorsmoking-banmovementstalledbecause[original
Creationistsaredeeplyenamoredofthefossilrecord,becausetheyhavebee
Creationistsaredeeplyenamoredofthefossilrecord,becausetheyhavebee
Helikesfiction,____________Ilikepoetry.A、whileB、becauseC、althoughD、soA
随机试题
Dogsreallyareourbestfriends,accordingtoaSwedishstudythatsaysca
[originaltext]Oneday,(19)Johnwasdoingsomeshoppinginthemarketwhen
[originaltext]Moderator:WelcometoLeadershipInsider.Itisanonlinecou
[originaltext]ManyorganizationsaroundtheUnitedStatesholdcannedfood
网络的价值以网络节点数平方的速度增长,这个法则被称为( )。A.增长法则 B
患者男,45岁。双侧眼睑下垂2周,伴双下肢无力,晨轻暮重,无呼吸及吞咽困难。临床
A.白色B.淡黄色C.淡绿色D.淡红色E.淡蓝色第二类精神药品处方印刷用纸颜色为
一座建筑高度为25.1m,每层建筑面积均为960m2,除首层层高为5m外,其他各
期货交易所向会员收取的保证金,不得()。A:查封 B:冻结 C:扣划
共用题干 一般资料:求助者,女性,22岁,公司职员案例介绍:求助者月薪1000
最新回复
(
0
)