高考英语阅读理解抓分练习题（ 38）
科普知识型阅读理解 ( 二 )
( 一 )t字区
Plants have family values, too, it ems, with new rearch suggesting they can recognize clo relatives in order to work together.
An ability to tell family from strangers is well known in animals, allowing them to cooperate and share resources, but plants may posss similar social skills,
scientists believe.
Susan Dudley and Amanda File of McMaster University in Ontario, Canada, report they have demonstrated for the first time that plants can recognize their kin.
This suggests that plants, though lacking recognition and memory, are capable of complex social interactions.
“Plants have this kind of hidden but complicated social life ，” Dudley said.
作文20年后的家乡
The study found plants from the same species of beach-dwelling wildflower g rew
aggressively alongside unrelated neighbors but were less competitive when they shared
soil with their families.
Sea rocket, a North American species, showed stronger and healthier root growth
when planted in pots with strangers than when raid with relatives from the same
maternal( 母系的 ) family, the study found.
This is an example of kin lection, a behavior commonin animals in which cloly
related individuals take a group approach to succeeding in their environment, the
rearchers said.
Kin lection also applies to competition, becau if family members compete less
with each other, the group will do better overall. “Everywhere you look, plants are
growing right up next to other plants ，” Dudley said ，“ Usually it ’s a ca of
each plant for itlf.黑人牙膏图片 But sometimes tho plants are related, and there are benefits
to not wasting resources on being competitive, and there is not really a cost to not
being competitive as long as your neighbor is also not being competitive. ”
Learning and memory appear to be important for kin recognition in animals, but
this isn ’t an option for plants, she noted.
Some rearchers speculate( 猜想 ) that plants communicate through their roots,
identifying themlves using tiny chemical signatures specific to each plant ’s family.
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( | )6 .What鲁迅先生的作品’s the main idea of the message? | | | |
A豆浆的英语．Studies find plants can recognize, communicate with relatives. | | |
B．Kin lection is important for plants. | | | |
C．Animals can recognize and memorize their relatives. | | |
D．Competition asks plants to recognize their relatives. | | |
( | )7.Which of the following is NOT right about animals | ’ social skill? |
A．Animals can recognize and memorize their relatives. | | |
B．Animals ’ social skill is to cooperate and share resources. | | |
C．深圳公务员报名Animals ’ social skill | can recognize clo relatives | in order to | work t ogether. |
D．Animals ’ social skill is no u at all. | | | |
(幼儿园厨房 | )8.Plants ’ kin lection is to ________. | | | |
A | 函授大专自我鉴定300字． grow well | B | ． compete with other kinds of plants |
C． strengthen the relationship among siblings D | ． find which one is the best |
( | )9.From the passage | ， we learn that ________. | | |
A．a rocket is a South American species | | | |
B．a rocket grows aggressively alongside unrelated neighbors | | |
C．a rocket grows aggressively alongside its siblings | | |
D．a rocket is a kind of bush without flowers | | | |
( | )10.How can the plants communicate with each other according to experts | ’ |
| | | | | |
