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He must not allow this unusual barrier (obstacle) to stop him from fighting against the enemy.他绝不能让这个不寻常的障碍阻止他同敌人作战。 Next semester, Susan must take th 阅读全文
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More than 90 percent of China's office workers consider on-the-job training and continuing education to be essential in improving their capabilities a 阅读全文
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China has announced that it will further simplify the approval procedures for the private sector to open medical institutions.Approval procedures shou 阅读全文
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China’s population is expected to hit a peak of 1.44 billion in 2029, and start to experience negative growth from 2030 onwards, with the number of pe 阅读全文
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Visual impairment(视觉障碍)carries with it a reduced or restricted ability to travel through one’s physicaland social environment until adequate orientati 阅读全文
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This lecture provides the WLAN hardware engineer the essential knowledge of IEEE 802.11 a/b/g physical specification and the basic skill of how to do 阅读全文
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The world lost seven astronauts of Space Shuttle Columbia(哥伦比亚号航天飞机) this month. It broughthome the serious risk that 1humans face into the hostile en 阅读全文