求过了英语四级的帮我翻译下面的句子（自己翻译，不是用百度翻译和有道词典），好的必采纳，谢谢
传统上，急性毒性测试是用作评估在土壤中的污染物对蚯蚓的毒性效应。当评估化学品对蚯蚓的急性毒性效应，最常见的量度测试端点为LC50（即令个别死亡率达50％的浓度）。“LC50”的端点表示在相对较高的污染物浓度的效应，并表示可能有机体造成最大的伤害。在这项研究中，对蚯蚓的LC50为毒死蜱，评估为91.78毫克/公斤（14天），它类似于胡秀清的报告，LC50为83.63毫克/公斤（14天）（胡秀清等人，2004）。根据农药的环境安全评估测试条例，建议的毒性标准是 LC5010毫克/公斤为低毒农药。因此，毒死蜱对蚯蚓急性毒性很低。
~~~~~~~~~纯人手翻译，欢迎采纳~~~~~~~~~
原文如下：
Acute toxicity test has been traditionally used to assess the toxicity of contaminants in soils to earthworm. The most common end point measured when evaluating acute toxicity of chemicals to earthworms was LC50 (the concentration that is lethal to 50% of individuals). The endpoint “LC50” shows effects at relatively high pollutant concentrations and indicates the maximum damage likely to an organism. In this research, LC50 on earthworm by chlorpyrifos assessed is 91.78 mg/kg (14 d), which is similar to the report of Hu Xiuqing that LC50 is 83.63mg/kg (14 d) (Hu et al., 2004). According to the regulation of environment safety assessment test for agricultural pesticide, the suggested standard of toxicity is LC50 10 mg/kg for low-toxic pesticide, thus the acute toxicity of chlorpyrifos on earthworms is low.
http://zhidao.baidu.com/question/136192482984802165
作为一种广谱有机磷杀虫剂，毒死蜱现已被认为是一种可替代剧毒性有机磷杀虫剂（如甲胺磷杀虫剂）的理想产品。由于近来颁布了关于蔬菜种植过程中严禁使用剧毒性有机磷杀虫剂的规定，因此，毒死蜱的使用得到迅速发展。然而，通过一些研究表明，由于毒死蜱能够长期在土壤中存留，其残余物及代谢物会污染多处的土壤、地下水和地表水。就现场试验情况来看，毒死蜱能够长时间在土壤中存留（Kuhr和Tashiro 1978），且人们发现其在土壤中的最长存留时间长达两年（Cox 1995）。即便是诸如缓释微丸这样的新款产品长时间在土壤中释放的杀虫剂量很小，但这种产品在土壤中的存留时间也可长达18个月（Racke,1993）。广泛使用毒死蜱可能会对环境造成破坏。
仅供参考，望能帮助到你，呵呵！
~~~~~~~~~纯人手翻译，欢迎采纳~~~~~~~~~
原文如下：
Earthworms can sense chemicals via a large number of chemoreceptors, and avoid the contaminations. As in the present study, we also observed earthworms that were introduced into glass containers staying on the top layer of the contaminated soil instead of moving into it, followed by worms dying a few days later. This can be interpreted as avoidance behavior, which supports the justification of behavioral tests in addition to acute and reproduction testing in earthworms. For chlorpyrifos, concentration affecting avoidance response was far more than that for growth and fecundity (Table 3), it seems likely that earthworm were not able to escape from pesticide-contaminated soil into the underlying clean soil in field and hence were exposed continuously to elevated concentrations of pesticides. However, most ecotoxicologically based risk assessment methods often operate at different ranges of sensitivity (lethal, sublethal) using endpoints such as mortality, change of biomass, reproduction rates, by neglecting behavioral response. Consequently, the use of toxicity data obtained exclusively from acute and chronic toxicity tests to evaluate ecotoxicological risk may underestimate the effects of pollutants on soil invertebrate populations.
蚯蚓可以通过大量的感官受体来感知化学物质，避免污染。在当下的研究中我们发现，如果蚯蚓呗放在一个玻璃容器内，它会待在呗污染的土壤的上层而不是进入土壤内部，但有些虫子几天后会随之死亡。这可以被看作一种避免式行为，这种行为支持行为测试的判定，蚯蚓中精确繁衍的测试除外。
过了英语四级的帮我翻译下面的句子(自己翻译,不是用百度翻译和有道词典...
2.3 毒死蜱的毒性对赤子爱胜蚓的回避反应 ~~~纯人手翻译，欢迎采纳~~~原文如下：Considering cocoon production and cocoon viability, toxic effects could be observed in earthworms exposed to chlorpyrifos, with significant decreases in reproduction at the lowest concentration. Results of the repr...
过了英语四级的高手帮我翻译一下下面的句子,谢谢
1.5 蚯蚓繁殖测试 这个测试与上述的生长测试相符，但测试端点是产生蚓茧后，经28天孵化成幼蚓，再经56天后生长为成蚓的数目。存活的蚯蚓在28天后被拣出来，以及所产的蚓茧被放回去再培养28天（总孵化期为时56天）。1.6 蚯蚓回避反应测试 该测试是根据Stephenson等人（1998）及Schaefer （2004）提...
求过了英语四级的帮我翻译下面的句子(自己翻译,不是用百度翻译和有道词...
蚯蚓可以通过大量的化学感受器来感测化学品，并回避污染物。如在本研究中，我们还观察到，被置入玻璃容器中的蚯蚓，都停留在被污染土壤的顶层，而不是钻进土坏，随后几天，蚯蚓就死亡。这可以解释为回避行为，除了对蚯蚓的急性和繁殖测试之外，亦支持行为测试。对于毒死蜱，浓度对回避反应的影响远远超过了...
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