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
28
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] 【B10】
选项
答案
To test his theory,Robert is using a device that can imitate plant cries
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3623914.html
相关试题推荐
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
Weallscreamforwaterwhenthirsty,butdoyouknowinveryhot,dryweath
[originaltext]Theworldisnotonlyhungry;itisalsothirstyforwater.T
[originaltext]Theworldisnotonlyhungry;itisalsothirstyforwater.T
[originaltext]Theworldisnotonlyhungry;itisalsothirstyforwater.T
[originaltext]Theworldisnotonlyhungry;itisalsothirstyforwater.
[originaltext]Theworldisnotonlyhungry;itisalsothirstyforwater.
随机试题
OneofthemostimportantperiodsinGreedhistorywastheHellenisticAgew
Afterthebanonuniversitystudentsgettingmarriedwasliftedin2005,its
Nobodydeniestheimperativesoffood,shelter,defence,healthandeducation.没人
对某一重要桥梁工程利用声波透射法检测其钻孔灌注桩的桩身完整性检测,已知受检桩的桩
下列仪器中可用于裂缝宽度测量的包括()。A:分辨力为1mm的钢直尺 B:读数
患者男性,64岁。因呕血、黑便2小时入院。既往有慢性乙型肝炎10余年。入院查AL
甲乙丙丁四人通过手机的位置共享,发现乙在甲正南方向2公里处,丙在乙北偏西60°方
A.抑制、多静 B.易发生湿滞 C.热化、燥化 D.亢奋、多动 E.易发
A.在P和Q中都做自由落体运动 B.在两个下落过程中的机械能都守恒 C.在P
代销是一种通过中介机构把基金份额出售给投资者的销售模式,我国不属于这一销售模式的
最新回复
(
0
)