题目

Why should mankind explore space? Why should money, time and effort be spent exploring and researching something with so few apparent benefits? Why should resources be spent on space rather than on people on the earth? These are questions that, understandably, are very often asked.    Perhaps the best answer lies in our genetic makeup(基因构成) as human beings. What drove our ancestors to move from the trees into the plains, and into all possible areas and environments? The wider the spread of a species, the better its chance of survival. Perhaps the best reason for exploring space is t读句子，加粗的字正确的读音是 　　盲姑娘从美妙的乐（A.yu8　　 B.l8）声中感受到了快乐（A.yu8 　　 B.l8）。　　　　 　　　　 [   ]