影响企业内安全运输的主要因素有驾驶员（）素质差，车辆（）不良，（）恶劣。
参考答案：安全技术；技术状况；厂区作业环境
采用概算指标法编制建筑工程概算时，当设计对象的结构特征与某个概算指标有局部差异时，则（）概算指标编制概算。
A.直接套用
B.不能用
C.修正后套用
D.重新编制
When the people in the area heard the news that a rare vase was buried somewhere near their homes,
they all went out _____ it. [ ]
A. to search
B. to look at
C. in search for
D. in search of
