计算机只要硬件不出问题,就能正常工作。
参考答案:错
解析:计算机软件系统出问题了,计算机也不能正常工作。
Thomas Edison ______ made 1,093 inventions in his life, was one of the greatest inventors.
A. what B. who C. which
大庆130型转盘的四角用直径()的双股钢丝绳及花篮螺丝与井架底座拉紧,四角焊上固定挡铁。
A.19.5mm
B.9.5mm
C.6.4mm
D.12.25mm