题目内容
（请给出正确答案）
[主观题]
Why does the author say space projects are practical？A.Because they make science excitin
Why does the author say space projects are practical？
A.Because they make science exciting.
B.Because they promote economic growth.
C.Because they increase Americas national power.
D.Because they show what technology can bring.
如搜索结果不匹配，请 联系老师 获取答案
