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大麻类物质的主要成分是______
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耐受是指______
The world is throwing away a shocking amount of food. A report 41 that at least a third of the 4 billion tonnes of food the world produces each year never gets 42 our mouths. Between 30% and 50% of food 43 in Europe and the US is thrown away. Britain—and much of the rich world—has got used to filling the fridge 44 what looks nice, not what it 45 needs. The cost of that 46 is ￡10bn annually. Globally, the cost, in money, energy and ever-scarcer water, is 47 .Our future food security has been 48 the top 10 of current global worries. The 49 of feeding a mid-century planet of around 9 billion people looks 50 without major changes to farming and our diet. If you 51 the United Nations Food and Agricultural Organisation"s call 52 production to be increased by 70% to feed the population of 2050, most of the work will be 53 just by being a bit more thrifty. 54 we have to do is to 55 better what is already there.Throwing food out is easy. 56 , using it sensibly, 57 the less attractive bits, is not. The urge to bin and buy again, 58 by multimillion pound advertising campaigns, is all the less resistible now 59 , despite recent price rises, for most of us, food is cheap. At Christmas, the average family spent just over ￡100 on the big meal, a quarter of 60 it spent on presents.
下列药物属于致幻剂的是______
[2003年]秦穆公见伯乐年事已高，请伯乐推荐继任者，们乐说儿方皋可堪此任。九方皋奉穆公之命外出找马，三月后复命说，马已找到。穆公问：“何马也”九方皋答道：“是一匹黄色的公码。”穆公派人去取马，取马人回报说是一匹黑色的母马。穆公不悦，责备伯乐道：“你推荐的那位相马者连马的黄黑公母都分辨不清，怎能鉴别马的好坏呢”伯乐答道：“若皋之所观，天机也。得其精而忘其粗，在其内而忘其外。见其所见，不见其所不见；视其所视，而遗其所不视。若皋之相者，乃有贵乎马者也。”马至，果千里之马。伯乐之子把伯乐写的《相马经》读得烂熟。《相马经》上说，千里马是额头隆起，双眼突出，蹄如摞起的洒曲块。他按照书上绘出的各种图形，与他所见到的一一加以对照。结果，他找到一只癞蛤蟆。请用马克思主义哲学原理，分析回答下列问题：(1)九方皋相码方法的高明之处何在(2)伯乐之子“相马”失败的主要原因是什么(3)为什么说儿方皋相马的思维方法比找到千里马具有更重要的意义
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