How much change do you estimate could be brought about by each level of action? Why?

你估计有多少变化可能带来的每一级的行为是正当的吗？为什么？

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She told the agency's Executive Board on Monday that the level of action should not be governed by the size of a problem.

VOA: special.2011.01.19

That was Homeland Security Secretary Janet Napolitano, announcing a higher level of government action.

VOA: special.2010.05.01

And that's one of the things Jacob was noted for. His level of expression is so profound that even with a few strokes, he can pick up the action and show it to you".

VOA: special.2009.09.02

The Sideline camera angle provides field-level views of the action from a camera mounted on a cart.

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"What we found for our 124 sharks that we sampled was that about one-third of them came in with mercury levels that were over the Food and Drug Administration's action level of one part per million, " said Hueter.

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The culmination of all of the pre-season action was a level of excitement that pushed season ticket sales to more than 22, 000 prior to the start of the inaugural season.

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