• With the development of technology, there is no doubt that people can travel to space in time.
• 因此展开了关于它利弊的激烈讨论(thus).
• Thus there is a heated discussion about its advantages and disadvantages.
• 总之,我们应该权衡利弊(balance).
• In a word, we should weigh the advantages and disadvantages.
• 我认为,对于人类来说,不管怎样,探索宇宙是很重要的.
2.How did I feel?
I was very exhausted but very excited too.
Retell the text
Last month I visited the moon with my friend. Before we left, I was told the force of g_ra_v_i_t_y would change three times on our journey. Then we set off. As we left the earth, gradually the weight l_es_s_e_n_e_d_. When I was in space, I felt as if there was no gr_a_v_it_y_ at all . We fl_o_a_t_ed___ weightlessly in the spaceship and I cch_e_e_r_e_d_u_p_. When I was on the moon, I was surprised to find out even walking needs lots of practice no_w_ _th__a_t gravity changed. The returning of the earth was very ffr_i_g_h_t_en__in_g_. We were amazed to watch fire br_e_a_k_ o_u_t__ on the outside of the ship.