The first man who cooked his food,
instead of eating it raw, lived so long ago that we have no idea who he was or
where he lived. We do know, however, that (41) thousands of
years food was always eaten cold and (42) . Perhaps the
cooked food was heated accidentally by a (43) fire or by the
melted lava from an erupting (44) . When people first tasted
food that had been cooked, they found it tasted better. However, (45)
after this discovery, cooked food must have remained a rarity
(46) man learned how to make and light (47)
. Primitive me A. newest B. latest C. first D. worst [单选题]依据《中国南方电网有限责任公司电力安全工作规程》,保护间隙的( )应用多股软铜线。其截面应满足接地短路容量的要求,但最小不应小于25mm2。
A.二次短接线 B.保安接地线 C.接地线 [单选题]定喘汤与苏子降气汤共同含有的药物是
A.半夏、黄芩 B.当归、甘草 C.苏子、甘草 D.麻黄、杏仁 E.厚朴、杏仁 [单选题]1.以下四种通信传输媒体中传输速度最快的是()。
A.A、微波 B.B、通信卫星 C.C、光纤 D.D、同轴电缆 [单项选择]“十一五”期间要切实抓好的关键问题是( )。
A. 加快经济结构战略性调整 B. 大力转变经济增长方式 C. 促进城乡区域协调发展 D. 加强和谐社会建设 [判断题] 变电站终端支持拨号、专线、网络以及无线(GPRS/CMDMA)等多种通讯方式,网络通讯支持TCP/IP标准协议。
A.正确 B.错误 [单项选择]It’s a pleasure to be( )help.
A. to B. of C. with D. for [判断题]在建工程达到预定可使用状态前试运转所发生的净支出,应当计入营业外支出。
[判断题]生产经营单位未按照规定报告重大事故隐患治理方案和治理结果的,责令限期改正,可以处一万元以上五万元以下罚款()
A.正确 B.错误 [多项选择]弓形虫病的诊断方法主要有( )。
A. 临床症状诊断 B. 流行病学诊断 C. 病原学诊断 D. 血清学诊断 [单选题] 气井采气时,在气层中部深度点上的压力称为( )。
A.井底压力 B.井底流动压力 C.地层压力 D.目前地层压力 [判断题] 第一次国共合作的政治基础是讨伐北洋军阀 错 政治基础是新三民主义
A.正确 B.错误 我来回答: 提交
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