题型:名词解释 (4分)使用多用表测量定值电阻R1的阻值(约为几千欧姆)。在下列一系列操作中,合理的操作顺序时 。若多用表指针如图所示,则R1阻值为____Ω。A.转动选择开关置于“х1”挡B.转动选择开关置于“х10”挡 C.转动选择开关置于“х100”挡D.转动选择开关置于“х1k”挡E、转动选择开关置于“OFF”挡 F、将两表笔分别接在R1两端,读出R1的值后断开 G、将两表笔短接,调节调零旋扭,使指针指在刻度线右端“0”刻度线处 查看答案
题型:名词解释 If it were not for the fact that she __________ sing, I would invite her to the party. A.couldn’tB.shouldn’tC.can’tD.might not 查看答案