The precise instrument can record the slightest ______ in pressure.

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问题 The precise instrument can record the slightest ______ in pressure.

选项 A、variety
B、variance
C、varsity
D、variation

答案D

解析 variety意为“多样性”;variance意为“不同,分歧”;varsity意为“大学体育代表队”;variation意为“轻微的变化”。
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