From the ________ shown in the dead body, he ________to death by a certain poisonous chemical, but I can’t tell exactly which.


  1. A.
    symptoms; must have been poisoned
  2. B.
    signs; should have been poisoned
  3. C.
    symbols; could have been poisoned
  4. D.
    appearances; may have been poisoned
A

試題分析：考查推測，symptoms意思“癥狀”，signs意思“記號”，symbols 意思“象征”，appearances意思“外表”，must have done表示肯定推測should have done表示本應(yīng)該做某事而沒做could/may have done表示沒把握的推測，所以選A
考點(diǎn)：考查推測
點(diǎn)評：注意句子From the symptoms shown in the dead body…,過去分詞shown做名詞symptoms后置定語，表示被顯示的癥狀。推測是經(jīng)常考試內(nèi)容，要加強(qiáng)記憶。
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