With prices ______so much, it is difficult for the school to plan a budget.A、vib

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问题 With prices ______so much, it is difficult for the school to plan a budget.

选项 A、vibrating
B、swinging
C、fluctuating
D、fluttering

答案 C

解析 fluctuate意为“波动,涨落,起伏”,例如:There is something queer about the way his temperature     fluctuates these days.近些日子他的体温时高时低,这事有点奇怪。vibrate意为“(使)振动,(使) 摇摆”,例如:The ground vibrated during an earthquake.地震时大地剧烈地颤动。swing意为“(使)摇摆,(使)摇荡”,例如:A pendulum swings.钟摆来回摆动。f
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