問題詳情
【題組】29. We learn from the last two paragraphs that business-method patents
(A) are immune to legal challenges
(B) are often unnecessarily issued
(C) lower the esteem for patent holders
(D) increase the incidence of risks
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)