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Migrant Workers In the past 20 years, there has been an increasing tendency for workers to move from one country to another. {{U}} (51) {{/U}}some newly independent countries have understandably restricted most jobs to local people, others have attracted and welcomed migrant workers. This is particularly the case in the Middle East, {{U}} (52) {{/U}}increased oil incomes have enabled many countries to{{U}} (53) {{/U}}outsiders to improve local facilities. {{U}} (54) {{/U}} the Middle East has attracted oil-workers from the U. S. A. and Europe. It has brought in construction workers and technicians from many countries, {{U}} (55) {{/U}} South Korea and Japan. In view of the difficult living and working conditions in the Middle East, it is not {{U}} ( A. On the contrary B. In a similar way C. On the other hand D. Consequently [填空题]晶体三极管的放大参数是( )。
[单项选择]How does the woman play tennis
A. She plays it very well. B. She begins to play it. C. She doesn’t play it very well. [单项选择]下列（）是电力系统无功电源之一，以提高台系统的功率因数。
A. 移向电容器 B. 脉冲电容器 C. 耦合电容器 [简答题]何谓高水平、 中水平、 低水平消毒法?
[单选题]在容性电路中电压与电流的相位差(
A.小于零 B.等于零 C.大于零 D.不确定 [填空题]柴油机进气温度过高或空气滤清器堵塞,进气量不足导致（ ）,使得发动机冒黑烟。
[单选题]冶炼低C出钢前必须做好炉帽和（）的清渣工作，避免出钢过程炉身渣掉入钢包。
A.炉口 B.后围裙 C.前围裙 [多选题]以下模式属于CBTC驾驶模式的有
A.FAM B.AM C.CAM D.RSRM E.RM [填空题]从业人员有权对本单位安全生产工作中存在的问题提出批评、检举、控告,有权拒绝( )。
[多选题]采掘工作面的进风流中，氧气浓度不低于（ ），二氧化碳浓度不超过（ ）。
A.0.18 B.0.17 C.0.16 D.0.005 E.0.0075 F.0.01 [单项选择]
A. He shouted at his wife. B. He just stood there. C. He crawled under the table. D. He lost consciousness. [单项选择]Not once（ ） his view of life.
A. did the gentleman mention B. the gentleman mentioned that C. the gentleman mentioned D. do the gentleman mention [单选题]消防员在灭火战斗行动中的首要任务是( )。
A.抢救生命，扑灭火灾 B.扑灭火灾，疏散物资 C.疏散物资，减少损害 D.减少损害，加强警戒 [判断题]微机联锁设备检修时应观察各种工控机及机柜的风扇运行叶片有无刮碰，声音是否有异响。（）
A.正确 B.错误 [判断题]严重冲击地压矿井不得开采孤岛煤柱。
A.正确 B.错误 [填空题]切边钢板应剪切成直角，切斜和镰刀弯不得使钢板长度和宽度小于公称尺寸并须保证定货公称尺寸的（）。
[多选题]《突发公共卫生事件应急条例》对突发公共卫生事件信息发布是如何要求的？( )
A.及时 B.准确 C.全面 D.注意保密 [单项选择]为了实现两根相交轴之间的传动，可以采用（）。
A. 蜗杆传动 B. 斜齿圆柱齿轮传动 C. 直齿锥齿轮传动 D. 直齿圆柱齿轮传动 [单项选择]关于切线投影的叙述，错误的是（）
A. 中心线从被检部位边缘通过，称切线投影 B. 此法可使相邻部分X线吸收差异减小 C. 某些病变于边缘凸出，可采用此法 D. 某些病变边缘凹陷，可采用此法 E. 某些病变表面病灶，可采用此法 我来回答: 提交
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