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发生在日本的水俣病是由于在农业生产中使用了DDT等有机氯农药，经过江河进人鱼虾体内，人吃鱼虾而引起的慢性中毒所致。( )
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产生温室效应的原因除了二氧化碳外，还与大气中的甲烷、氮氧化合物等气体浓度的增加有关。( )
氟里昂、氯氟烷烃、四氯化碳、汽车尾气等均能破坏臭氧层。( )
The Esky, a great Australian invention—it’s about as important to the Australian household as a BBQ (烧烤的野餐). How else would we move our carefully prepared food and drink around without having it spoilt. Though it is a regular problem with Esky, you also need to plan. If you haven’t had a freeze pack, then you’ll need to go out and buy a bag of ice (maybe even several bags of ice). Get a Portable Mini Fridge and you’ll save on the bags of ice as well as a good deal on cleaning time. The Portable Mini Fridge requires a 12V DC supply, and you’ll find this thermo electric cooler the best thing invented since sliced bread (near enough anyway). One thing this car fridge has over your average Esky—it’ll warm to 60—65℃... and it does all this without any environmental pollution. Apart from basic cleaning, this thermo electric warmer is largely non-wearing and maintenance-free. At last, an affordable mini fridge for your car or boat will help save those green vegetables or fruits better, also it will keep the shape of an ice cream, this may help you feel very happy. What is Esky from the context
自然因素是影响人口自身变动的主要的和决定性的作用。( )
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