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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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s v o, n. 比 s v o, which is n. 更好
a substance to do 不好（a n. to do)
真的有种说法么？SVO，n比SVO，which is n要好？
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