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Part 3 TRUE or FALSE ( 正确的 statement 请填 T , 错误的请填 F) 1. Now England alone has an economy approximately the size of Sweden’s. 2. London became an important trading city since the foundation of the Royal Exchange. 3. The city of London was destroyed by a great fire so that it can be rebuilt into a glamourous medieval city that we know today. 4. The unemployed farmworkers were forced to leave the countryside and migrated to London to find work opportunity. 5. Around 18 th century, as London city expanded, people moved out to the suburbs to accommodate themselves, and the city centre became the financial centre. 6. The rich and middle classes lived in west of the old city, while the clerks and lower-middle class workers lived in east end of London. 7. Due to the rapid development of public transport, in 19 th century, the streets of London were congested with buses and cars. 8. The construction of the London Underground enabled people to live even further from where they worked. 9. Poverty, poor sanitary conditions were the biggest challenge for the Londoners. 10. The challenges and problems that developing cities face today is more or less what the London city had back in 19 th century.
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举一反三
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一块硬盘通常包含多张盘片
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硬盘中的cache能有效地改善数据传输的性能
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硬盘的数据读写速度为毫秒级
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硬盘中的数据记录在连续的螺旋状磁道上
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正确
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正确
B.
错误
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硬盘的内部传输速率大于外部传输速率
B.
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曲轴想组
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活塞连杆组
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曲轴飞轮组
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3.5
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正确
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气缸套
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A.
5.0
B.
4.5
C.
4.0
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