越易被压缩
根据温度而定
越难被压缩
无法确定
阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Chengdu has dozens of new millionaires, Asia’s biggest building, and fancy new hotels. But for tourists like me, pandas are its top（61）(attract).
So it was a great honour to be invited backstage at the not-for-profit Panda Base, where ticket money helps pay for research, I（62）（arrow）to get up close to these cute animals at the 600-acre centre. From tomorrow, I will be their UK ambassador. The title will be（63）(official) given to me at a ceremony in London.But my connection with pandas goes back （64）my days on a TV show in the mid-1980s,（65）I was the first Western TV reporter（66）(permit) to film a special unit caring for pandas rescued from starvation in the wild. My ambassadorial duties will include（67）(introduce) British visitors to the 120-plus pandas at Chengdu and others at a research in the misty mountains of Bifengxia.
On mu recent visit, I help a lively three-month-old twin that had been r
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A.20 B.16 C.14 D.12 [单项选择]
What is it about Paris For the last two centuries it has been the single most visited city in the world. Tourists still go for the art and the food, even if they have to brave the disdain of ticket-takers and waiters. Revolutionaries on the run, artists in search of the galleries and writers looking for the license to explore their inner selves went looking for people like themselves and created their own fields filled with experimentation and constant arguments. Would worldwide communist revolution have been conceivable without the Paris that was home to Marx, Lenin and Ho Chi Minh Would Impressionism or Cubism have become "isms" without Paris as a place to work and as a subject to paint How Paris came to be, for such a long time, "capital of the world" [单选题]接触网安全带使用时（ ）
A.高挂低用 B.低挂高用 C.平挂 D.无所谓 [判断题]拆装易倒、易落配件应有人防护，离开工作地时，应将配件安放稳妥。
A.正确 B.错误 [单选题]有与现场高压配电线路、设备和实际相符的系统模拟图或（ ）（包括各种电子接线图）。
A.模拟图 B.电气图 C.地理图 D.接线图 [填空题]西汉初年,为了稳定社会秩序,刘邦实行了“（）”政策。
[多选题]局部峰值动态评价采用四级管理，以下（）说法是错误的。
A.Ⅰ级为验收标准 B.Ⅱ级为经常保养标准 C.Ⅲ级为临时补修标准 D.Ⅳ级为限速标准。 [判断题] 双母线上的电压互感器二次侧必须经过该互感器一次侧隔离开关的辅助触头。
A.正确 B.错误 [单选题]检查发现钢轨折断或重伤，应立即通知线路车间和工务段调度
A.折断或重伤 B.损伤 C.轻微损伤 D.变形 [单项选择]37岁，结婚10年，G4P0孕32周，人工流产2次，过期流产刮宫一次，阴道少量出血3天，无腹痛，体检：儿头高浮，胎心140次/分，耻骨联合上方可闻胎盘杂音。最恰当的处理是（）
A. 即刻人工破膜 B. 人工破膜加缩宫素静点 C. 缩宫素引产 D. 即刻剖宫产术 E. 期待疗法 [多选题]下列属于建筑物安全疏散设施的是( )。
A.疏散楼梯; B.疏散走道; C.安全出口; D.疏散指示标志; E.室内消火栓 [简答题]当某个设备通信状况较差的情况后，应该先查看数据包是否有丢包现象。
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