Volcanic fire and glacial ice are
natural enemies. Eruptions at glaciated volcanoes typically destroy ice fields,
as they did in 1980 when 70 percent of Mount Saint Helens ice cover was de
molished. During long dormant intervals, glaciers gain the upper hand cutting
deeply into volcanic cones and eventually reducing them to rubble. Only rarely
do these competing forces of heat and cold operate in perfect balance to create
phenomenon such as the steam caves at Mount Rainier Park. Located inside Rainier’s two ice-filled summit craters, these caves form a labyrinth of tunnels and vaulted chambers about one and one-half miles in total length. Their creation depends on an unusual combination of factors that nature almost never brings together in one place. The cave-making recipe calls for a steady emission of volcanic gas and heat, A. maze B. series C. group D. system [多选题]原液热水槽中的热水用于( )。
A.溶剂加热器 B.废丝溶解槽 C.溶剂接受槽 D.原液供料槽 [判断题]( ) 工作时不得擅离岗位,不得在车间内打闹、追逐,非工作需要不要到其它地方闲逛、聊天。
A.正确 B.错误 [单项选择]【真题试题】(2008年单项选择题第4题)
甲与乙签订了买卖电视机的合同,根据该合同,甲将电视机交付给了乙,乙也付了款,后乙发现该合同系受甲欺诈而订立,遂到法院请求撤销该买卖合同。那么,该买卖合同撤销后,甲当时将电视机所有权转移给乙的行为是( )。
A. 无因行为 B. 有因行为 C. 结果行为 D. 从法律行为 [多项选择]在滴定分析中出现下列情况,导致系统误差的有:()
A. 滴定管读数读错; B. 滴定时有溶液溅出; C. 砝码未经校正; D. 所用试剂中含有干扰离子; E. 称量过程中天平零点略有变动 F. 重量分析中,沉淀溶解损失。 [单选题]A.间歇性无痛性全程肉眼血尿
A.尿频、排尿困难 B.两者均有 C.两者均无 D.前列腺增生( ) [判断题]人机界面与具体物理显示设备和手段无关
A.正确 B.错误 [判断题]起重作业一般只采用短环链。
A.正确 B.错误 [多选题]根据()火灾现场情况,可采取不同现场保护方法。
A.露天火灾现场 B.室内火灾现场 C.室外火灾现场 D.大型火灾现场 [多选题]立杆及修整杆坑时,应采用拉绳、叉杆等控制杆身()。
A.翻动 B.倾斜 C.滚动 D.断裂 [判断题]公安机关在办理治安案件过程中查获的伪造、变造的公文、证件、证明文件、票证、印章,应当依法予以收缴。
正确 错误 A.正确 B.错误 [多选题]混凝土泵送设备在居民区施工作业时,应采取降噪措施。搅拌、泵送、振捣等作业的允许噪声,昼间为()db,夜间为()db
A.55.0 B.65.0 C.70.0 D.85.0 [填空题]化学烧伤的损害程度除与化学物质性质有关外,还取决于()、()、()。
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