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【单选题】
Why dose Zhao Baige cite the research by Thomas Wire of London School of Economics in the last paragraph?A.
Because she wants to show that family planning programs are more efficient in helping cut CO2 emissions.
B.
Because she feels proud of the benefits brought by China's family planning policy.
C.
Because she personally likes to cite figures and data to make her understandable.
D.
Because she wants to remind others that she made the research together with Thomas Wire.
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【简答题】藏族民间歌舞艺术的特点是___与___的联系十分密切,多是___中有___,___中有___,歌舞一体构成一种独特的民族艺术风格。
【单选题】如果某消费者的效用函数为 , P 1 =9 , P 2 =1 ,则下列( )方程满足时,他的预算线正好与某条无差异曲线相切?
A.
、 4x 1 =9x 2
B.
、 9x 1 =4x 2
C.
、 9x 1 +x 2 =m
D.
、 4x 1 =x 2
【简答题】浪漫主义艺术的特点是什么？代表画家？作品？艺术风格？（德拉克洛瓦）