Fishing adds only about one percent to
the global economy, but on a regional basis it can con- tribute extremely to
human survival. Marine fisheries contribute more to the world’s supply of
protein than beef, poultry or any other animal source. Fishing typically does not need land ownership, and because it remains, generally, open to all, it is often the employer of last resort in the developing world—an occupation when there are no other choices. Worldwide, about 200 million people rely on fishing for their livelihoods. Within Southeast Asia alone, over five million people fish full-time. In northern Chile forty percent of the population lives off the ocean. In Newfoundland most employment came from fishing or servicing that industry—until the collapse of the cod fisheries in the early 1990s that left tens of thousands of pe A. increasing the annual catch B. creating more jobs C. getting greater fiscal profitability D. conserving natural resources [单选题]A型图必须绘制的内容包括()和重要障碍物。
A.滑行道,停止道,复飞道,起飞转弯区 B.滑行道,净空道,复飞区,起飞航径区 C.跑道,加速道,净空道,起飞转弯区 D.跑道,停止道,净空道,起飞航径区 [单选题]烹饪美学的具体研究对象是⑴( );⑵烹饪制作的环境美及饮食氛围美; ⑶烹 饪文化中的食趣美。
A.烹饪工艺美及菜肴美 B.烹饪原料自然美 C.烹饪器具美 D.烹饪刀工美 [单选题]线路允许速度 Vmax>120km/h,钢轨擦伤或剥落掉块、钢轨低头接近或达到()时,应及时处理。
A.轻伤 B.重伤 C.折断 D.大裂纹 [单选题]严禁在( )级以上大风和雷电、暴雨、大雾等气象条件下从事高空作业。
A.三 B.四 C.五 D.六 [判断题]我国旅游饭店的等级按一星、二星、三星、四星、五星、白金五星排序,星级越高,等级越高
A.正确 B.错误 [判断题]动车组、客车、路用客车停留存放期间应进行看守。
A.正确 B.错误 [单项选择]患者,女性,46岁,既往健康,否认冠心病病史。患者在3小时前因劳累后突然出现剧烈胸痛,向背部放射,伴左侧肢体偏瘫,急诊测血压为200/100mmHg,最可能的诊断为()
A. 主动脉夹层 B. 急性心肌梗死 C. 消化性溃疡 D. 心绞痛 E. 肠系膜动脉栓塞 [单项选择]患者女性,34岁。二尖瓣狭窄,呼吸困难,伴咯血3天,双肺底少许水泡音,心脏正侧位片可见淤血。下列各项中最合适的处理是( )
A. 吸氧 B. 西地兰 C. 硝酸甘油或硝酸异山梨醇 D. 可待因 E. 氨苯喋啶 [填空题]“豆蔻”是指( )岁。
[多选题]安全工器具使用前,应检查确认绝缘部分无()等现象。
A.裂纹 B.老化 C.绝缘层脱落 D.严重伤痕 [多选题]24小时出量包括以下那些量?( )
A.尿量 B.呕吐物 C.穿刺液 D.排泄物及渗出物 我来回答: 提交
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