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题库 / Prep2007E1-SC-35
In laboratory rats, a low dose of aspirin usually suffices to block production of thromboxane, which is a substance that promotes blood clotting, but not seriously interfering with the production of prostacyclin, which prevents clotting.
which is a substance that promotes blood clotting, but not seriously interfering
a substance that promotes blood clotting, but not seriously interfering
a substance that promotes blood clotting, but does not seriously interfere
which is a substance to promote blood clotting, but does not seriously interfere
which is a substance that promotes blood clotting, but not a serious interference
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独立主格是解释说明先行词的内容，T是一个什么什么样的物质
定语从句是解释先行词的一个特征，which引导非限制性定语，是一个什么什么样的物质的T，独立主格更优
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