最易被人们接受和采用的建设工程目标控制的措施是( )措施。
A.组织
B.技术
C.经济
D.合同
参考答案:C
____, the more expensive the camera, the better its quality.
A.General speaking
B.Speaking general
C.Generally speaking
D.Speaking generally
原始生命诞生的摇篮是
A.原始大气
B.原始海洋
C.火山周围
D.土壤表层