名词解释

幼体生殖(名词解释)

【参考答案】

昆虫还在幼体阶段就能生殖产生后代生殖方式。

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SECTION 1 Compulsory Translation (30 points)It is not my contention that chemical insecticides must never be useD.I do contend that we have put poisonous and biologically potent chemicals indiscriminately into the hands of persons largely or wholly ignorant of their potentials for harm. We have subjected enormous numbers of people to contact with these poisons, without their consent and often without their knowledgE.If the Bill of Rights contains no guarantee that a citizen shall be secure against lethal poisons distributed either by private individuals or by public officials, it is surely only because our forefathers, despite their considerable wisdom and foresight, could conceive of no such problem.I contend, furthermore, that we have allowed these chemicals to be used with little or no advance investigation of their effect on soil, water, wildlife and man himselF.Future generations are unlikely to condone our lack of prudent concern for the integrity of the natural world that supports all lifE.There is still very limited awareness of the nature of the threat. This is an era of specialists, each of whom sees his own problem and is unaware of or intolerant of the larger framE.into which it fits. It is also an era dominated by industry, in which the right to make a dollar at whatever cost is seldom challengeD.When the public protests, confronted with some obvious evidence of damaging results of pesticide applications, it is fed little tranquilizing pills of half truth. We urgently need an end to these false assurances, to the sugar coating of unpalatable facts. It is the public that is being asked to assume the risks that the insect controllers calculatE.The public must decide whether it wishes to continue on the present road, and it can do so only when in full possession of the facts. In the words of Jean Rostand, 'The obligation to endure gives us the right to know.'

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不管世界银行的报告是否公正客观,但是我们国家营商环境还是比较理想的。()

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