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.

1. The underlined sentence "the opposite is true" in Paragraph 2 probably means that trees .

A. compete for survival

B. protect their own wealth

C. depend on each other

D. provide support for dying trees

2. "Mother trees" are extremely important because they .

A. look the largest in size in the forest

B. pass on nutrition to young trees

C. seem more likely to be cut down by humans

D. know more about the complex "tree societies"

3. The underlined word "it" in the last paragraph refers to .

　A. how "tree societies" work

　B. how trees grow old

　C. how forestry industry develops

　D. how young trees survive

4. What would be the best title for the passage?

A. Old Trees Communicate Like Humans

B. Young Trees Are In Need Of Protection

C. Trees Are More Awesome Thart You Think

D. Trees Contribute To Our Society

【考点】考察科普知识类阅读

【文章大意】本文主要讲述了森立的树木会通过"tree societies"把自己的财富交给下一代。并详细说明了这一发现的具体内容。

1. 【答案】C

【试题解析】推理题。根据本句Although Charles Darwin thought that trees arc competing for survival of the fittest, Simard shows just how wrong he was. In fact, the opposite is true: 可知达尔文认为树是相互竞争以获得生存。但是Simard的实验发现达尔文是错误的。实际上：与达