A-A+
The 1986 Challenger space-shuttle ________ was
问题详情
The 1986 Challenger space-shuttle ________ was caused by unusually low temperatures immediately before the launch.
A) expedition
B) controversy
C) dismay
D) disaster请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:D