题目内容

所有者权益变动表能够提供所有者权益增减变动的结构性信息，但不能提供让报表使用者理解所有者权益增减变动的根源。( )

A. 对
B. 错

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某公司正在考虑投资甲、乙两种股票各种可能的投资收益率以及相应的概率如下表所示：发生概率甲的投资收益率乙的投资收益率 0.2 40% 30% 0.5 10% 10% 0.3 -8% 5%已知二者之间的相关系数为0.6，资产组合中甲、乙两种股票的投资比例分别为30%和70%。要求： (1)计算两种股票的期望收益率； (2)计算两种股票收益率的标准差和变化系数，比较风险大小，评价哪种股票好； (3)计算两种股票收益率的协方差； (4)计算资产组合的期望收益率。 (计算结果保留两位小数)

Passage 4 Ad.1 Florida Break out of the everyday routine and come alive again with a trip to Florida. Whether you’re looking for a quiet escape or an action-packed trip, Florida’s spectacular natural beauty and varied attractions let you create your dream escape. Nature lovers can explore vast lakes, forests and wetlands filled with native birds, fish and wildlife. Florida is an athlete’s paradise as well, with plenty of opportunities for tennis, golf and water sports lovers to engage in their favorite form of recreation every day of the year. Florida is the nation’s top golf and tennis destination, offering more golf courses than any other state plus over 7,700 tennis facilities. With thousands of crystal clear rivers and lakes, plus over 1,000 miles of beaches on the Atlantic Ocean and Gulf of Mexico, Florida is a water sports wonderland. Florida is also home to some of the best attractions in the United States, from technological advanced parks to historic musems. So relax and return to your senses in Florida. Ad. 2 Mildseven The Moment You’ve Waited For japan’s Best-selling Cigarette Most attractive to tourists are Florida’s (1) and varied attractions. The length of beaches on the Atlantic Ocean and Gulf of Mexico is (2) Florida is also a wonderful place for an (3) to take part in all kinds of sports. With a trip to Florida you can get rid of (4) , relax and return to your senses. The product of the second advertisement is a kind of cigarette made in (5)

Passage 1 No.1 Announcement Ladies and gentlemen, We regret to announce the delay of Flight CAAC 107 to Shanghai scheduled to depart at 9:15. Due to adverse weather conditions in Shanghai this flight will be delayed for at least an hour. Would passengers please wait in the lounge for further information We regret any inconvenience caused by this delay. No.2 Announcement Attention, please. The 8:30 train to Philadelphia has a delay of 20 minutes. The 8:30 train is running about 20 minutes late. We apologize for any inconvenience it may cause. In the first announcement, the plane to Shanghai scheduled to depart at (1) It is said that the reason of the delay of the plane is (2) . In order to get further information, passengers should wait (3) From the second announcement, we know that the destination of the train is (4) The train will leave at (5)

Passage 2 Fried Chips Ingredients (成分) : 800g potatoes (peeled and cut into thick chips) , oil for shallow or deep frying. Method: Shallow fry thick, fat chips in hot oil until crisp. Dry on brown paper (牛皮纸) , sprinkle with sea salt and serve. A more transitional way to make chips is to deep fry them. Dry chips thoroughly and deeply fry them in a fi-ying basket. For 3 or 4 times, in hot oil until cooked through 4 to 5 minutes. Remove the basket and increase the temperature of the oil. Deep fry chips for a further 2 to 3 minutes, or until crisp. Fried Chips Ingredients: Potatoes (peeled and cut into thick chips) , oil Method: 1. Shallow fry: dry on (1) 2. Deep fry: dry chips (2) and deep fryina (3) for (4) minutes 3. Remove the basket and (5) the temperature and fry for 2 to 3 minutes.