257.The minister said:“We are ready for discussions with any legal parties, but we'll never _________ with criminals.
A.negotiate
B.quarrel
C.argue
D.consult
258.Clinical evidence began to _____,suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals.
A.operate
B.strengthen
C.approve
D.accumulate
257.答案是A；考查动词的辨析。negotiate谈判；quarrel吵架，争吵；argue 辩论，争辩;consult商议，咨询。句意:部长说我们愿意与任何合法党派进行讨论，但我们决不与犯罪分子谈判。根据句意，选A。
258.答案是D；考查动词的辨析。句意:不断增加的临床证据表明:比起原先从动物实验中所得到的预计，这些新药作用更广。operate手术，操作；strengthen加强;approve赞成;accumulate积累，(数量)逐渐增加。故选D。
