题目内容
17.Would it surprise you to learn that,like animals,trees communicate with each other and pass on their wealth to the next generation?UBC Professor Simard explains how trees are much more complex than most of us ever imagined.
Although Charles Darwin thought that trees are competing for survival of the fittest,Simard shows just how wrong he was.In fact,theoppositeistrue:trees survive through their co-operation and support,passing around necessary nutrition"depending on who needs it".
Nitrogen (氮) and carbon are shared through miles of underground fungi (真菌) networks,making sure that all trees in the forest ecological system give and receive just the right amount to keep them all healthy.This hidden system works in a very similar way to the networks of neurons (神经元) in our brains,and when one tree is destroyed,it affects all.
Simard talks about"mother trees",usually the largest and oldest plants on which all other trees depend.She explains how dying trees pass on the wealth to the next generation,transporting important minerals to young trees so they may continue to grow.When humans cut down"mother trees"with no awareness of these highly complex"tree societies"or the networks on which they feed,we are reducing the chances of survival for the entire forest.
"We didn't take any notice of it,"Simard says sadly."Dying trees move nutrition into the young trees before dying,but we never give them chance."If we could put across the message to the forestry industry,we could make a huge difference towards our environmental protection efforts for the future.
9.The underlined sentence"the opposite is true"in Paragraph 3probably means that treesC.
A.compete for survival
B.protect their own wealth
C.depend on each other
D.provide support for dying trees
10.The underlined word"it"in the last paragraph refers toD.
A.how young trees survive
B.how trees grow old
C.how forestry industry develops
D.how"tree societies"work
11.What would be the best title for the passage?C
A.Old Trees Communicate Like Humans
B.Young Trees Are in Need of Protection
C.Trees Are More Awesome Than You Think
D.Trees Contribute to Our Society.
分析 本文属于记叙文阅读,文章介绍树和树之间不是你死我活的竞争关系,它们之间是相互依赖的,快要死的树会将自己的营养传给小树让它们更好的成长,人们如果知道这些现象,就可以更好的保护这些树.
解答 9.C 细节理解题,根据文章第二段的句子:trees survive through their co-operation and support,passing around necessary nutrition"depending on who needs it".可知上文提到达尔文的适者生存的理论,而与之相反的是树是彼此依赖生存的,故选C.
10.D 词义猜测题,it出现在文章最后一段,实际上it指代的是第四段提到的内容,人们砍倒快死的mother trees是因为他们当时不知道树的社会之间的依存关系,可知it指的是"树的社会"是怎么运作的,故选D.
11.C 主旨大意题,根据全文内容,可知文章介绍树和树之间不是竞争关系,它们之间是相互依赖的,快要死的树会将自己的营养传给小树让它们更好的成长,从第一段的句子:Would it surprise you to learn that,like animals,trees communicate with each other and pass on their wealth to the next generation?可知作者在本文中想要表达的是树要比我们想象的要更加令人惊叹,故选C.
点评 本文是一个广告布告类阅读理解,题目涉及多道细节理解题,做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案.推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案,切忌胡乱猜测,一定要做到有理有据.
A. | approach | B. | access | C. | aid | D. | appearance |
A. | instead | B. | instead of | C. | with | D. | in |