首页
登录
职称英语
We all scream for water when thirsty, but do you know in very hot, dry weath
We all scream for water when thirsty, but do you know in very hot, dry weath
游客
2024-06-07
35
管理
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. [br] 【B9】
选项
答案
He also knows that many insects prefer attacking dry plants rather than healthy plants
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3623913.html
相关试题推荐
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
[originaltext]Theworldisnotonlyhungry;itisalsothirstyforwater.
[originaltext]Theworldisnotonlyhungry;itisalsothirstyforwater.
随机试题
DecidewhichFOURofthefollowingstatementsaretrue,accordingtothespeaker
PresidentCoolidge’sstatement,"ThebusinessofAmericaisbusiness,"still
政策效应的时滞
设某资本主义农业公司投资3万元(均等的投在面积相同的优、中、劣三块土地上)进行农
胆固醇结石形成的主要原因是()A.慢性胆道感染 B.胆汁中胆固醇浓度增加
财政专家指出,公共风险不仅产生于因政府政策不当导致的国有资产流失。而且由于政府直
我国处理劳动争议的机构不包括()。A.劳动争议调解组织 B.人民检察院 C
2010年9月,中国证监会上市部编制的《关注要点》规定的评估方法不包括()。A:
总会计师应当保证财务会计报告真实、完整。()
电气照明导线连接方式,除铰接外还包括( )。 A.压接 B.螺栓连接
最新回复
(
0
)