We have (36) idea about when men first began to use salt, but we do know that it has been used (37) many different ways. For example, it is (38) in many history books that people who lived (39) three thousand years ago ate salted fish. Thousands of years ago in Egypt, salt was used to preserve the (40)
In some periods of history, a person (41) stole salt was thought to have broken the (42) . Take the 18th century for (43) example, if a person was caught (44) salt, he would be thrown into prison. History also records that only in England about ten (45) people were put into prison during that century (46) stealing salt! About 450 years ago, in the year 1553, if a man took more than his (47) of salt, he would be thought to have broken the law and would be seriously (48) . The offender’s ear was cut (49) .
Salt was an important (50) on the dinner table of a
A. far
B. farther
C. the farthest
D. not far
| {{B}}
The whale is a warm-blooded, air-breathing animal, giving birth to its young alive, sucking them-and, like all mammals, originated on land. There are many {{U}} (51) {{/U}} of this. Its front flippers (鳍状肢), used for steering and stability, are traces of feet. Immense strength is {{U}} (52) {{/U}} into the great body of the big whales, and in fact most of a whale’s body is one gigantic muscle. The blue whale’s pulling strength has been estimated {{U}} (53) {{/U}} 400 horsepower. One specimen was reported to have towed (拖) a whaling vessel for seven hours at the {{U}} (54) {{/U}} of eight knots (节). An angry whale will {{U}} (55) {{/U}} a ship. A famous example of this was the fate of whaler Essex, {{U}} (56) {{/U} A. had B. operated C. seen D. caught [简答题]简述进度计划的表示方法。
[单选题]10kV真空断路器动静触头之间的断开距离一般为()。
A.5-10mm B.5mm C.20-30mm [多项选择]重排元件顺序可选择的排列方式有？（）
A. 按原有顺序补足空号 B. 按原有顺序重新排列 C. 按元件品号顺序重新排列 D. 按元件品号顺序补足空号 [单项选择]蛛网膜下腔出血最常见的病因是
A. 高血压 B. 血液病 C. 脑动脉粥样硬化 D. 先天性颅内动脉瘤 E. 脑血管畸形 [单选题]滑动门故障经处理后处于开门状态，站台门设置防护应（）。
A.设置U型铁马防护 B.张贴故障纸、专人值守 C.设置V型铁马防护、专人值守 D.设置方型铁马防护 [判断题]煤矿井下能引爆瓦斯的高温火源主要为爆破时出现的火焰、电气火花、冲击火花、摩擦高温和井下火灾等。( )
A.正确 B.错误 [判断题]制粉系统启动时先启动磨煤机，再启动给煤机延时一段时间后火检保护生效。（ ）
A.正确 B.错误 [判断题]在张某故意伤害致人死亡案件中，为确定张某是否为精神病，由鉴定人甲、乙、丙共同进行鉴定。如3人意见不一致，则不同意见都应当在鉴定意见书中注明，且鉴定的时间不计入办案期限。
A.正确 B.错误 [判断题]网络商务信息是指通过计算机传输的商务信息，包括文字、数据、表格、图形、影像、声音以及内容能够被人工或计算机察知的符号系统。
[单选题] zigbee 网络可以包含( )协调器。
A.1 个 B.3 个 C.2 个 D.4 个 [多项选择]高温烹调富含蛋白质的食物，下列烹调条件会引起杂环胺的生成增加的有( )。
A. 温度越高，形成的杂环胺越多 B. 蛋白质含量越高，形成的杂环胺越多 C. 水分含量越少，形成的杂环胺越多 D. 烹调时间越长，杂环胺的形成速度越快 E. 烹调时间越长，形成的杂环胺越多 [判断题]乙炔气瓶的使用压力不得超过0.147MPa(1.5kg^cm2),输气流速每瓶不得超过1.5m3/h-2m3/h。
A.正确 B.错误 我来回答: 提交
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