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题库 / Prep2007E2-SC-74
Thirteen states from all regions of the country announced a plan to impose new controls on pollution from truck and bus engines in that they will jointly adopt emission limits that would be far stricter than the federal rules.
to impose new controls on pollution from truck and bus engines in that they will jointly adopt
to impose new controls on truck and bus engines' pollution by the joint adoption of
to impose new controls on pollution from truck and bus engines by jointly adopting
for imposing new controls on pollution from truck and bus engines, and jointly adopting
for imposing new controls on truck and bus engine pollution in the joint adoption of
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"the joint adoption..." doesn't sufficiently indicate who is going to adopt the new regulations.
in general, ACTION NOUNS (adoption, destruction, etc.) don't imply that the subject of the sentence is performing the action; they usually refer to the general notion of that action.
by contrast, -ING forms do usually imply that the subject of the sentence is the actor.
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