They are purely __________ weapons, not designed for attacks.


  1. A.
    offensive
  2. B.
    defensive
  3. C.
    offence
  4. D.
    defensible
B
這題考查詞義辨析：defensive adj.防衛(wèi)的；防御的；辯護(hù)的 offence n.冒犯 defensible adj.可防衛(wèi)的；可擁護(hù)的；可辯護(hù)的，句意是：他們純粹是防御武器，不是用來(lái)進(jìn)攻的。選B。
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