【C5】A．aB．someC．anyD．such

Land belongs to the city; there is ______ thing as private ownership of land.A．no such aB．

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【C15】A．otherB．someC．anyD．all

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I decided not to______John when he was in such a desperate position.A．vanishB．separateC．ab

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If_____letter arrives for me, can you send it to this address？A．noB．someC．anyD．some more

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【C5】A．allB．itC．themD．such

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既有过敏毒素作用又有趋化作用的补体成分是A、C3a、C4aB、C3a、C5aC、C4a、C5aD、C3a、C5bE、C3b、C4b

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既能使血管壁通透性升高 又对白细胞有趋化作用的炎症介质是A.C5aB.组胺C.IL-8

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