| Every spring migrating salmon return to British
Columbia’s rivers to spawn. And every spring new reports detail fresh disasters
that befall them. This year is no different. The fisheries committee of Canada’
s House of Commons and a former chief justice of British Columbia, Bryan
Williams, have just examined separately why 1. 3 m sockeye salmon mysteriously
"disappeared" from the famed Fraser river fishery in 2004. Their conclusions
point to a politically explosive conflict between the survival of salmon and the
rights of First Nations, as Canadians call Indians. In 2004, only about 524,000 salmon are thought to have returned to the spawning grounds, barely more than a quarter the number who made it four years earlier. High water temperatures may have killed many. The House of Commons also lambasted the federal Department of Fi A. Where have the salmon gone B. How to protect the salmon C. Environment and fishery D. The survival of salmon and the rights of First Nations [单选题]重氮化废气中氮氧化物是指()。
A.二氧化氮 B.一氧化氮 C.一氧化二氮 [多项选择]（）是设计面试提问清单的主要依据。
A. 招聘实施方案 B. 作业指导书 C. 岗位操作规范 D. 工作说明书 E. 应聘者的资料 [多选题]、在进行接触网作业时,必须做到( )
A.戴安全帽 B.穿绝缘鞋 C.拿手电筒 D.戴手套 [单项选择]Passage One
Questions 26 to 28 are based on the passage you have just heard. A. Travel as fast as the head whale. B. Keep 150 meters away from the whale. C. At least two vessels should be watching in case of collision with whales. D. Travel as fast as the slowest whale. [单选题]用于 AS 之间交换路由信息的路由协议指（ ）。
A.BGP B.OSPF C.ISIS D.RIP [判断题] .{KHD:设备基本知识,th=1233} 离心式压缩机无叶扩压器适用于工况变化较小的机组。
A.正确 B.错误 [单项选择]By the end of the ______ century(世纪，百年) ,computers may be seen in every home.
A. twenty-first B. twenty-oneth C. twentieth-one [单选题] 8.气管哮喘急性发作时,治疗首选:
A.吸入M受体阻断剂 B.吸入长效β2受体激动剂 C.吸入短效β2受体激动剂 D.吸入糖皮质激素 E.口服糖皮质激素 [单选题]吊线每隔（）公里应加装绝缘子，将电气断开
A.0.5 B.1 C.1.5 D.2 [判断题]工作票的有效期，以实际工作时间为限。（ ）
A.正确 B.错误 [单选题]蒸汽中的硅酸会沉积在( )内,形成难溶于水的二氧化硅附着物,它对(B)的安全性与经济性有较大的影响,故含硅量是蒸汽品质的指标之一,应严格监督>(
A. .蒸汽流通部位 B.汽轮机 C.过热器 D.水冷壁 [单项选择]场地选择时要收集环境保护资料，以下哪一项是不必要的（）
A. 本地区污染环境的本底浓度 B. 邻近企业生产有何污染及三废治理情况 C. 当地环保部门对环保的要求和意见 D. 本场地工程的三废排放浓度 [单选题]罚款作为行政处罚的一种形式,应属于( )。
A.资格罚 B.人身罚 C.财产罚 D.申诫罚 [单选题]手摇道岔作业应遵循( )的作业流程。
A.一检查、二手摇、三确认 B.一看、二扳、三确认、四显示 C. 一看、二扳、三确认 D.一检查、二手摇、三显示 [单选题]装备在机车上的LKJ设备应按高于线路允许速度（ ）km/h常用制动设置模式曲线。
A.8 B.5 C.3 我来回答: 提交
|
