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

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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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