The weight of a male lion can reach 240 kg, _____ an adult man.[]

A. three times the weight of

B. the three times weight of

C. as heavy as three times

D. as three times heavy as

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Transportation and communication networks bring people together. Yet sometimes people themselves create barriers(障礙) to transportation and communication. In some countries, laws stop people from moving freely from place to place. Over the centuries, many groups of people have been denied the freedom to travel because of their race, religion, or nationality. In the Middle Ages, for example, Jews were often forbidden to move about freely within certain cities. South Africa's government used to require black Africans to carry passes when they travel within the country. Some governments require all citizens to carry identification papers and to report to government officials whenever they move.

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20-year-old swimmer Fu Yuanhui placed third in the semi-finals of the 100m backstroke of the Rio Olympics. While interviewing, she said she was so satisfied with her performance that she expects nothing in the finals.

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My heroes are the Singapore Women’s Everest Team．In 2009，they became the first all-women team to climb Mount Everest．The team of six young women trained for seven years before they climbed the mountain．It was difficult for them to train because Singapore doesn’t have any snow or any mountains．But they didn’t stop，and in the end they made it．They Worked hard every day for their dream so I really admire them．

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My mum，Mary Evans，is a real hero．I have a very big family, with two brothers and three sisters．My mum works very hard every day to look after us, and she is very busy．She always makes time for everyone and she always listens to me if I have a problem．I really respect my mum because she always looks after my family and makes sure we have everything we need．

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