2. 外语
  3. It is a new-type double-sided piping with corrosion protection and pressure ______.

It is a new-type double-sided piping with corrosion protection and pressure ______.

admin2011-01-15  54
问题 It is a new-type double-sided piping with corrosion protection and pressure ______.
选项 A、insistence
B、persistence
C、resistance
D、reservoir
答案C
解析 名词词义辨析。解析resistance n.反抗，抵抗，阻力，电阻，耐……力；insistence n.坚持，不容拒绝；persistence n.坚持不懈，执意，持续，存留；reservoir v.水草，蓄水池，(知识、人才等的)储藏。
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大学英语四级

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