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Water{{/B}} From the beginning, water has furnished man with a source of food and a highway to travel upon. The first civilizations arose{{U}} (1) {{/U}}water was a dominant clement in the environment, a challenge{{U}} (2) {{/U}}man’s ingenuity. The Egyptians invented the 365-day calendar in response to the Nile’s annual flooding. The Babylonians,{{U}} (3) {{/U}}were among the most famous lawmaker in ancient times, invented laws{{U}} (4) {{/U}}water usage. Water inspired the Chinese to build a 1,000-{{U}} (5) {{/U}}canals, a complex system which, after nearly 2,500 years, remains still practically{{U}} (6) {{/U}}and still commands the astonishment of engineers. But{{U}} (7) {{/U}}never found complete solutions to their water prob A. govern B. control C. lead D. influence [单选题]对气焊使用的氧气、乙炔钢瓶的存放要保持安全距离（）米以上，作业点与钢瓶要保持安全距离（）米以上。
A.5 10 B.10 15 C.5 15 D.15 30 [多项选择]钢在加热过程中，影响奥氏体形成的因素有（）。
A. 加热温度 B. 原始组织 C. 化学成分 [判断题]( )焊接接头包括焊缝区、熔合区和过热区。
A.正确 B.错误 [单项选择]大量凝固性血胸，在出血停止后数日应争取做
A. 闭式胸腔引流 B. 纤维膜剥离术 C. 胸廓改形术 D. 胸腔穿刺 E. 剖胸清除血块 [单选题]飞机机翼的焦点指的是
A.升力的着力点 B.附加升力的着力点 C.重力的着力点 [单选题]110
--Do you have any plans for tonight? --Yes,I _____ at the new Italian restaurant in town. A.eat B.have eaten C.ate D.am going to eat [单选题]腭裂做减张切口充填碘仿纱条的目的是( )
A.消炎抗感染 B.止血 C.减张 D.减张及止血 [单选题] 溶组织内阿米巴的致病阶段是
A.单核包囊 B.双核包囊 C.四核包囊 D.大滋养体 E.小滋养体 [单项选择]资产负债表的作用是（ ）。
A. .反映企业某一时期的经营成果 B. 反映企业某一时期的财务状况 C. 反映企业某一时点的经营成果 D. 反映企业某一时点的财务状况 [单选题]要查询表JS中所有"教授"和"副教授"的记录，下列命令中正确的是________。
A.SELECT * FROM JS WHERE 职称="教授" AND 职称 ="副教授" B.SELECT * FROM JS WHERE 职称="教授" 0R 职称 ="副教授" C.SELECT * FROM JS WHERE 职称 between "教授" and "副教授" D.SELECT * FROM JS WHERE LIKE("_教授",职称) [单选题] 水洗型渗透探伤施加湿式显像剂应在( )
A.施加渗透液后 B.清洗渗透液前 C.清洗渗透液后 D.干燥后 [判断题]使用手持式电动工具应当检查电源开关是否失灵、是否破损、是否牢固、接线是否松动。
A.正确 B.错误 [多项选择]B100遵循以下的技术规范（）。
A. ITU-TRecommendationH.323（11/2000）协议 B. H.248/MEGACO（RFC3015）MEGACO协议 C. SIP（RFC3261）会话初始协议 D. SDP（RFC2327）对话描述协议 E. RTP（RFC1889）实时应用传输协议 我来回答: 提交
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