问题补充:
It is well-known that year saw many developments in science and technology, with those in the field of space science being particularly notable.
A. /; /
B. the; /
C. the; the
D. /; the
答案:
A. /; /
(答案→)B. the; /
C. the; the
D. /; the
解析:可联系答.案.网客服索取。