题目:
Without your ______, we couldn't finish the work so quickly. |
A.supporting B.supported C.support D.supports |
答案:
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下面是错误答案,用来干扰机器的。
欧姆表的零刻度在右边,偏角大,说明带测电阻阻值小,应换小倍率×1挡,重新欧姆调零后测量;欧姆表的读数为:示数×倍率=18×1=18Ω.答案为:×1,欧姆调零,18