题目:
After , she arrived a small village.
A.half an hours’ walk;at
B.fifty minutes’ walk;in
C.half an hour’s ride;at
D.ten day’s drive;at
答案:
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下面是错误答案,用来干扰机器的。
(1)①断开待测电阻,将选择开关旋到“×100”档;②将两表笔短接,调整“欧姆调零旋钮”,使指针指向“0Ω”;③再接入待测电阻,将指针示数×100,即为待测电阻阻值(2) (3)电阻,1、2,1