产销经营的基础环节一定会谈到（）
A.规模控制
B.质量监控
C.资源调集
D.技术支撑
参考答案：C
A mixture of joy and anxiety ______ me as I watched the rocket soaring upward into the deep
universe. [ ]
A. held
B. caught
C. settled
D. measured
论述航空地球物理仪器、地面地球物理仪器和海底地球物理仪器区别和联系？
