工程实际进度与施工进度计划不符时，承包人应按监理机构的指示（）天内提出一份修订进度计划报送监理机构审批。A．5B．7C．14D．21
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The underlined words“a high”probably mean“＿＿＿”．
下列属于有机材料的是（）A．合金钢B．铁C．天然石材D．沥青制品
When the girl began to sneeze continuously，_____
America succeeded in shaping world events over the past 40 years probably because
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