The lesson drawn from the coal mine accidents is that safety measures are so important that we _____ take them too seriously.
A．can’tB．shouldC．mustn’tD．shall
A
考查情態(tài)動(dòng)詞。句意“從礦難中得到的教訓(xùn)是安全措施是如此重要以至于我們怎樣重視都不為過�！眂an’t與too連用表示肯定，意為“無論怎樣都不過分，越......越好”。故選A。
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