Some students think that space exploration is of positive significance. For example, he can give us more new knowledge. We can obtain new resources from space. Space exploration can also expand the living space of human beings
Some students think that space exploration is positive. For example, he can give us more new knowledge. We can make new resources from space. Space exploration could also expand the living space of mankind.
Some students think space exploration is of positive significance. For example, he can let us acquire more new knowledge. We can get new resources from space. Space exploration can also expand the living space of human beings<br>