The scientists are expected to ______ some new suggestions on treating A(H1N1) flu spread all over the world after reading all the materials.A.keep up withB.put up withC.look up toD.e up with
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D解析本题考查短语辨析。A赶上；B容忍；C尊敬；D提出。句意：读了这些材料后，期望科学家提出一些新的关于对待禽流感传播全球的建议。