题目内容
(请给出正确答案)
[主观题]
The ______ problem of bringing a space-ship back from the moon has been solved.A.technique
The ______ problem of bringing a space-ship back from the moon has been solved.
A.technique
B.technology
C.technical
D.technological
提问人:网友bixkjwfnh
发布时间:2022-01-07