| {{B}}
Text{{/B}} Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel {{U}} (26) {{/U}} the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other {{U}} (27) {{/U}} of transport. These {{U}} (28) {{/U}} make it possible for boats to travel {{U}} (29) {{/U}} ports along the coast without being {{U}} (30) {{/U}} to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their {{U}} (31) {{/U}} a thousand miles shorter. Other canals permit boats to reach cities that are not {{U}} (32) {{/U}} on the coast, still other canals {{U}} (33) {{/U}} lands where there is too much water, help to {{U}} (34) {{/U}} fields where there is not enough water, and {{U} A. off B. with C. to D. by [单选题]一台windows主机初次启动,如果无法从DHCP服务器处获取IP地址,那么此主机可能会使用下列哪一个IP地址?
A.0.0.0.0 B.127.0.0.1 C.169.254.2.33 D.255.255.255.255 [单选题]142火烧油层是利用地层原油中的()作为燃料，采取自燃或人工点火等方法使油层温度达到原油燃点，并连续注入助燃剂，使油层原油持续燃烧。
A.(A)油质组分 B.(B)胶质组分 C.(C)烃质组分 D.(D)重质组分 [单项选择]建筑室内给水系统为使用和检修要求应设置阀门，下列哪一项是错误的？（）
A. 入户管起始端 B. 各种设备的配水管上 C. 各立管的起始端 D. 配水点大于等于8个的配水支管上 [判断题]装饰好的面包放车架上时要放在脏烤盘上面
A.正确 B.错误 [填空题]______ (我决没有想过他会对他的妻子提出诉讼要求离婚), since he was a model husband in my mind.
[单选题]道家主张教育要（ ）。
A.“有教无类” B.“非攻” C.“复归”人的自然本性 D.“建国君民、教学为先” [单选题]（）应具备顺控操作防误和就地操作防误功能，当遥控、顺控操作因故中止，切换到就地操作防误，顺控操作应具备人工急停功能。
A.智能防误主机 B.就地防误装置 C.微机防误装置 D.监控防误系统 [单选题]腰带和保险带、绳应有足够的机械强度，材质应耐磨，卡环（钩）应具有保险装置，操作应灵活。保险带、绳使用长度在（）以上的应加缓冲器。
A.2m B.3m C.4m D.5m E.略 F.略 [判断题]氧气瓶、乙炔气瓶严禁混载、混放，乙炔气瓶卧放。
A.正确 B.错误 [判断题]发现接触网导线断落碰地时,任何人必须距断落碰地的导线8m以外,防止跨步电压伤人。( )
A.正确 B.错误 我来回答: 提交
|
