A-A+
What's the commission of the X - 43A prototype
问题详情
What"s the commission of the X - 43A prototype？
A．To revolutionize research and develop speed.
B．To revolutionize travel and shatter speed records.
C．To revolutionize flight and explore outer space.
D．To revolutionize exploration and increase experienc请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：prototype的proto为prefix，意思为"earliest; original"原型的，即：flint or original example of sth that has been or will be copied or developed; model or preliminary version。
