题目内容
保密责任主体包括法定代表人或主要负责人、______、其他负责人、______或______负责人、______。
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()是指当电力网路中漏电电流达到危险值时，能自动切断电源的装置。
A检漏装置
B接地装置
C过流保护装置
Gold Rush My name is John Carter. I am from the state of Virginia. At the close of the Civil War I found（31）_____ without a home, without money and without work, I decided to search for gold in the great（32）_____ of the American Southwest. I spent almost a year（33）_____ for gold with another former soldier, Captain James Powell, also of Virginia. We were（34）_____ lucky. In the winter of 1865, we（35）_____ rocks that held gold. Powell was trained as a mining（36）_____. He said we had uncovered over a million dollars（37）_____ of gold in only three months. But the work was（38）_____ with only two men and not much equipment. So we decided Powell should go to the（39）_____ settlement to seek equipment and men to help us with the work. On March the third, 1866, Powell said good-bye. He（40）_____ his horse down the mountain toward the valley. Two days later, Powell came back with everything we needed to change our life forever. _____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
_____ A．slow B．worth C．rode D．fortunately E．myself F．engineer G．discovered H．searching I．fast J．nearest K．extremely L．deserts
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请根据所提供材料中的要求完成一篇80词左右的英语写作任务。 某英语刊物邀请你参加题为“A gift for my father”的征文活动。以下是你的写作提纲： ·你想送给父亲什么礼物？ ·为什么选择这个礼物？
不同细胞周期时间的差别主要取决于什么期的长短？()
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