问题
选择题
As equipment improved,satellites began ________ scientists ________ weather maps of the entire
globe.[ ]
A. providing;for
B. supplying;for
C. offering;with
D. providing;with
答案
答案:D
As equipment improved,satellites began ________ scientists ________ weather maps of the entire
globe.[ ]
A. providing;for
B. supplying;for
C. offering;with
D. providing;with
答案:D