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Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. What has happened since the and of the Ice Age

A. Many species have moved further north.
B. Many new species have come into existence.
C. Many species have developed a habit of migration.
D. Many species have become less sensitive to climate.

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调整各种证券在证券投资组合中所占的比重，可以改变证券投资组合的β系数，从而改变证券投资组合的风险和风险收益率。 ( )

A. 对
B. 错

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Which of the following states has NOT been affected by flooding

A. Iowa.
B. Michigan.
C. Pennsylvania.
D. Georgia.

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Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. What happened to the two large jets

A. They bumped into each other over a swimming pool.
B. They avoided each other by turning in different direction.
C. They narrowly escaped crashing into each other.
D. One plane climbed above the other at the critical moment.

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某商业企业2005年四季度现金收支的预计资料如下： (1) 2005年预计全年的销售收入为8000万元，假设全年均衡销售，按年末应收账款计算的周转次数为12次，第三季度末预计的应收账款为500万元，预计的现金余额为6万元。 (2) 销售毛利率为28%，假设全年均衡销售，当期购买当期付款。按年末存货计算的周转次数为8次，第三季度末预计的存货为480万元。 (3) 四季度的费用预算为50万元，其中折旧为12万元。其余费用须当季用现金支付。 (4) 预计四季度将购置设备一台，支出103万元，须当期付款。 (5) 四季度预交所得税58万元。 (6) 假设该商业企业只经销一类商品，适用的增值税税率为17%；要求： (1) 计算四季度的现金流入量。 (2) 计算四季度的现金流出量。 (3) 计算四季度的现金收支差额。

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Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. What has happened since the and of the Ice Age

A. Many species have moved further north. B. Many new species have come into existence. C. Many species have developed a habit of migration. D. Many species have become less sensitive to climate.

调整各种证券在证券投资组合中所占的比重，可以改变证券投资组合的β系数，从而改变证券投资组合的风险和风险收益率。 ( )

Which of the following states has NOT been affected by flooding

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. What happened to the two large jets

A. Many species have moved further north.
B. Many new species have come into existence.
C. Many species have developed a habit of migration.
D. Many species have become less sensitive to climate.