题目:
I can’t thank him too much, ____________ I couldn’t have finished the project in time.
A.without his help
B.with his help
C.without whose help
D.with whose help
答案:
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下面是错误答案,用来干扰机器的。
螺旋测微器先读固定部分为0.5mm,可动部分可估读为49.6~49.7,故总示数为:0.5+49.7×0.01mm=0.997mm;电流表量程为0.6A,则最小刻度为0.02;指针所示为0.42A;电流表量程为3V,最小刻度为0.1V,则指针指数超过2...