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
We all scream for water when thirsty, but do you know in very hot, dry weather, plants also make 【B1】______ sounds as if they a
We all scream for water when thirsty, but do you know in very hot, dry weather, plants also make 【B1】______ sounds as if they a
admin
2010-06-11
66
问题
We all scream for water when thirsty, but do you know in very hot, dry weather, plants also make 【B1】______ sounds as if they are crying out for help? You see, in a plant stem there are hundreds of water pipes that bring water and【B2】______ from the soil all the way up to the leaves. As the ground【B3】______ dry, it becomes harder and harder for the plants to do this. In【B4】______ draughts, plants have to fight to pull out any water【B5】______ . Scientist Robert Winter has found out that when it is really bad their water pipes snap(绷断) from the【B6】______ like rubber bands. When that happens, the whole plant vibrates(振动)a little. The snapping pipes make noises ten thousand times quieter than a 【B7】______ . Robert knows that healthy,【B8】______ plants are quiet.【B9】______ . How do the insects know which are healthy plants and which are not? Robert thinks that the insects may listen for the plants that cry and then they may buzz in to kill.【B10】______ .He attaches it to a quiet, healthy plant so that the plant sounds thirty.【B11】______ . They could build traps that imitate crying plants so when the insects buzz in to eat, they won’t buzz out.
【B2】
选项
答案
minerals
解析
转载请注明原文地址:https://kaotiyun.com/show/mmKK777K
0
大学英语六级
相关试题推荐
Thebacteriathatcauseacommonfood-borneillnessshowlowdrugresistanceinAustralia,unlikesimilarstrainsfromtheUnite
A、Themeaningoffacialexpressionsdependsonsituations.B、Facialexpressionscancausemisunderstandingacrossculture.C、Peo
A、Theydeveloptheiridentitieswithinpeergroups.B、Theyreceiveinformaleducation.C、Theyperformvoluntarycommunityservic
Accordingtothepassage,scholarsandstudentsaregreattravelersbecause______.Developmentsininternationalcooperationa
A、Onlythesubjectsthatcouldbeusedinsocietyareimportant.B、Thesubjectscouldbeirrelevantsolong.C、Thereshouldbem
Inancienttimes,OlympicgameswereheldasareligiousfestivaltohonortheGreekgods.Inancienttimes.athletesWhoshow
A、It’sbecausetherearemanydevelopingnations.B、It’sbecausepeopleusetoomanyman-madematerials.C、It’sbecausewehave
A、Theweatherwillbeclearandfine.B、Rainwillprobablycome.C、Therewillbeafog.D、Fineweatherwillcontinue.BWhatkind
Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Fo
A、Exploration.B、Increaseoilproduction.C、Alternativesourcesofenergy.D、Notofaboveall.D材料中并未提及解决能源问题的关键是什么,A,B,C只是某一方面
随机试题
(2020年济南联考)隐性课程是指学校教育情境中以间接的、内隐的方式呈现出来的,对学生发展起着潜移默化影响的非正式课程。下列属于隐性课程的有()
薛恩所认为的“职业锚”包括
对久病精血不足所致的便秘,采用的治法是
王某,男,68岁。高血压病史20年。近日血压持续升高,今下午2时许突然剧烈头痛,呕吐,四肢抽搐,随之人事不醒。舌红苔黄,脉弦有力。查体:血压240/120mmHg。中医治宜
X射线断层检查仪
人民警察的素质,是指人民警察依法履行职务,完成各项任务的实际本领,是公安专业知识和专业技能的综合体现。()
“准”,就是要注意策略,讲究工作方法,不打无准备之仗,不打无把握之仗。要打得适时、有力,同时注意时间、地点、对象、节奏及宣传方法。( )
决策支持系统的基本组成部分包括()。
团购是当前一种较为流行的电子商务模式,某团购网站通过自己强大的公关能力与企业合作,向用户提供价格较为低廉或折扣较高的产品,同时,为方便用户使用,该团购网站也提供了用户之间的转让平台。根据上述描述,该团购网站涉及的电子商务类型是(8)。
Whatarethetwospeakersdoing?
最新回复
(
0
)