问题详情

What is the main purpose of the lecture？

A．To explain why scientists disagree about the age of the Moon

B．To present arguments in favor of another Moon landing

C．To explain how scientists discovered a crater on the far side of the Moon

D．To review some findings of a recent mission to the Moon

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！