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某书的索书号是TP391.41/22，其中的“TP391.41”是指（）。
Cloze 2Most of us have three meals a day .We take food for granted (想当然)。And we don’t think about it. 1 experts argue a food crisis (危机) is coming. This crisis is going to make us 2 the way we think about food. Food is in great need 3 a growing of world population. By 1960, the population was three billion. It doubled to six billion by 1999.By 2050, this planet will need to 4 at least nine billion people. As a result, the food prices get higher and higher. So, what can a 5 crowed world do? One suggestion is to eat 6 meat. Meat uses more natural resources (资源) than grains (谷物). It requires more 7 to produce one pound of meat than to produce one pound of grain. It also requires between 5 and 10 times more 8 than vegetables. So, eating less meat will 9 more land for farming, and it will save water. To eats less meat, people will need to change their eating habits. That will not be 10 . Americans, for example, have 11 loved meat. In general, they eat twice as much meat as people in other countries. At the same time, in developing countries like China and Brazil, sales of meat have doubled in the last 20 years. 12 will double again by 2050. Growing need of meat will 13 to put pressure on natural resources. World population is increasing, resources are becoming fewer, and food prices are rising. Therefore, we need to rethink 14 we eat every day. For meat lovers, we don’t need to give up meat 15 . But we need to eat more grains and less meat.
柴油机供给系统的辅助装置是指什么？
什么是ISP？
根据《安全生产法》，生产经营单位对重大危险源应当（）
急性炎症性脱髓鞘性多发性神经病出现呼吸肌麻痹时，应及早进行（）
下列除哪项外，均为甲状腺功能亢进症的表现？（ ）
鼓风机风压过高会造成的影响下列正确的是（）。
以下不属于“四大菜系”的是（）。
贫穷是相对的，不是绝对的。
英语六级分值如何分布？考试流程如何？
与四六级相爱相杀的这些年，你了解它吗？
怎么做专八阅读题更加有效？
专八考试阅读该如何应对？
专八考试时如何提高听力效率？
专八考试该如何备考听力？
专八考试有哪些要求？
什么是专八考试？
2021年下半年全国大学英语四、六级考试成绩公布时间
2021年12月英语四级作文技巧分享
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These conventional techniques were applied over the centuries.
The universities of Oxford and Cambridge date from the（）centuries.
Passage 2 Is there something as truth? For good many centuries “the search for ...
For centuries, explorers have risked their lives venturing into the unknown for ...
Passage 1 In the 16th and 17th centuries, two persons helped lay the foundation...
Passage 2 For centuries, the nature of the brain was shrouded in mystery. Arist...
机械的操纵性是特指其操纵稳定性。