首页
登录
职称英语
[originaltext] We all scream for water when thirsty. But do you know But do
[originaltext] We all scream for water when thirsty. But do you know But do
游客
2024-06-10
17
管理
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://tihaiku.com/zcyy/3627789.html
相关试题推荐
[originaltext]M:You’llneed36credithourstogetanM.A.degree.Fifteenmus
[originaltext]M:You’llneed36credithourstogetanM.A.degree.Fifteenmus
[originaltext]M:You’llneed36credithourstogetanM.A.degree.Fifteenmus
[originaltext]M:You’llneed36credithourstogetanM.A.degree.Fifteenmus
[originaltext]M:You’llneed36credithourstogetanM.A.degree.Fifteenmus
[originaltext]Weallscreamforwaterwhenthirsty.ButdoyouknowButdo
[originaltext]Peopleenjoytakingtrips.Butwhatarethereasonstheyleav
[originaltext]Peopleenjoytakingtrips.Butwhatarethereasonstheyleav
[originaltext]Areyouafraidtoraiseyourhandinclass,evenwhenyoukno
[originaltext]Areyouafraidtoraiseyourhandinclass,evenwhenyoukno
随机试题
Thespeakerwantsustoknowthatachild[br][originaltext][18B]Playis
[originaltext]Inthe1990s,DemiMoorewasamajormoviestarand,asthew
事故报告应当及时、准确、完整,任何单位和个人不得迟报、漏报、谎报或者瞒报。()
关于再生下列可能发生的是()A.一侧肾脏摘除后,另一侧肾脏体积增大 B.胃肠
建筑工程监理代表建设单位主要监督承包单位的()等。A、组织协调 B、施工质量
患者症见两胁胀满,口苦,食欲不振,时欲呕,咽干,苔薄白,脉弦。治疗首选的方剂应是
不属于白细胞的是A.淋巴细胞 B.嗜酸性粒细胞 C.嗜碱性粒细胞 D.中性
接案是社会工作助人过程的第一步,主要工作和步骤包括()。A:了解服务对象求助的原
传输通道可以使用()传输。A.高速公路专用通信网 B.光端机 C.以太
(2009年真题)应避免因工程地质勘察不详而引起工程造价增加的情况是()。A.地
最新回复
(
0
)