问题补充:
The first use of atomic weapons was in 1945. and their power increased enormously ever since.
A. is
B. was
C. has been
D. had been
答案:
A. is
B. was
(答案→)C. has been
D. had been
解析:可联系答.案.网客服索取。
时间:2024-06-18 15:05:57
The first use of atomic weapons was in 1945. and their power increased enormously ever since.
A. is
B. was
C. has been
D. had been
A. is
B. was
(答案→)C. has been
D. had been
解析:可联系答.案.网客服索取。