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问题 单项选择题

中国古典诗歌“无体不备”、“无体不善”，无论内容、风格、形式、技巧都达到了炉火纯青的地步，成为后世效仿的典范。这主要体现了中华文化具有（）的特点

A.源远流长

B.多样性

C.民族性

D.博大精深

答案

参考答案：D

解析：本题材料“中国古典诗歌‘无体不备’、‘无体不善’，无论内容、风格、形式、技巧都达到了炉火纯青的地步，成为后世效仿的典范”，表明中华文化独树一帜、独领风骚，体现了中华文化具有博大精深的特点，故D项符合题意，可以入选；A、B、D三项不符合题意主旨，故不能入选。因此，答案是D项。考点：本题考查中华文化特征的相关知识。

单项选择题

根据我国现行规定，煤矿采矿许可证的颁发管理机关是( )。

A．国家煤矿安全监察机构

B．市以上人民政府煤炭管理部门

C．县级以上人民政府国土资源管理部门

D．工商行政管理部门
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单项选择题

It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.

The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good: Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.

13（）

A.natural 

B.ill 

C.ugly 

D.friendly
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