题目

Doctor Wang often asks us __________ too much meat．             A．don’t eat        B．not eat         C．not to eat      D．doesn’t eat     答案：C（2010?鹤山区）能简算的用简便方法计算． 49÷（56-0.2 ）                        1925×（7.2+45）-1725÷18[2.5-（1720+0.15 ）÷0.6]×25          （58+127）×8+1927．