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听力原文： Nokia warned that the U. S. slowdown is now extending to other economies, and said that is cutting into demand for Nokia's handsets, and for its growing mobile in frastrncture business. In April, a more optimistic Nokia said it was on course for a 20 percent sales growth this quarter. That forecast has been cut in half. Tuesday's warning knocked a whopping $31 billion off Nokia' s market cap. Nokiajoins rivals Motorola and Ericsson in warning about sales. The rate of new phone purchases has slowed dramatically in Em'ope, with customers reluctant to trade up to new handsets. Why has the rate of new phone purchases slowed in Europe?A.
Because of the warning about sales.
B.
Because the customers are reluctant to trade up to new handsets.
C.
Because of cutting into demand for handsets.
D.
Because of the US slowdown.
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【多选题】在非线性动画创作中，改变动画片段速率、起始帧、结束帧说法正确的两项是
A.
Trax编辑器中，选中片段条上方部分，左右拖动可改变起始帧 / 结束帧
B.
Trax编辑器中，选中片段条下方部分，左右拖动可改变片段速率
C.
Trax编辑器中，编辑 > 速率
D.
Trax编辑器中，编辑 > 起始帧 / 结束帧