As long as we have been on earth, we have used
the sea around us. We take from the ocean and we give (41)
it. We take fish from the ocean — millions of kilograms of fish, every year, to (42) millions of people. We even use (43) bones for fertilizer and meal. We take (44) from the ocean. One way to get salt (45) sea water in a shallow basin and leave it (46) it evaporates. Along with salt, other minerals are left after evaporation — iodine (碘), magnesium(镁), and bromine(溴), to (47) a few. Much gold and silver drift (48) in the waters of the sea, too. But the sea does not (49) them up by simple evaporation. Other gifts from the sea are pearls, sponges(海绵), and seaweed. Pearls become jewelry. (50) sponges become cleaning aids. Seaweed becomes (51) of many kinds — A. off B. up C. down D. out [填空题]Do you mind __________________ (推迟这次会议到本季度末)
[单选题]3号线电客列车司机自Tc1车司机室切除Tc1车B11阀参考时间为( )。
A.A、40s B.B、60s C.C、80s D.D、100s [单选题]根据《文物保护法》的规定,市级文物保护单位由()核定公布。
A.国务院 B.国务院建设主管部门会同国务院文物保护部门 C.省、自治区、直辖市人民政府 D.设区的市、自治州人民政府 [单项选择]有机磷酸酯类急性中毒时,下列哪一项症状是阿托品不能缓解的()
A. 瞳孔缩小 B. 出汗 C. 恶心,呕吐 D. 呼吸困难 E. 肌肉颤动 [填空题]木制架手杆禁止使用()、()、()油松和其他腐朽、折裂、枯节等易折断的木杆。
[单选题]652. 胜利油田手操器与RTU 通讯前应输入( )。
A.RTU对应的井号 B.RTU对应的信道号 C.RTU对应的IP地址 D.RTU对应的网络号 [单项选择]某产妇,25岁,孕34周,1周前开始有些乏力,食欲差,曾在当地医院治疗,3天前病情加重,伴呕吐,巩膜发黄,神志欠清而入院,血压18/12kPa(135/90mmHg)SGPT254u,胆红素170umol/L,尿蛋白(-)。该孕妇应考虑的疾病是()。
A. 妊娠肝内胆汁淤积症 B. 妊娠脂肪肝 C. 妊高征肝损害 D. 妊娠合并重症肝炎 E. 药物性肝损害 [单项选择]Questions 11 to 18 are based on the conversation you have just heard.
A. She doesn’t know when they will go. B. She believes there is a road detour. C. She won’t be ready at 8 o’clock. D. She wants the man to go away. [多选题]尾矿库按照建造形式,类型主要有( )。
A.山谷型 B.傍山型 C.平地型 D.截河型 [判断题] ()若发动机连杆轴承响,响声会随发动机负荷增加而增大。
A.正确 B.错误 我来回答: 提交
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