o_u_r__e_y_e_s．__O__n__t_h_e__o_th__er__h_a_n__d_, _b_a_d__i_n_f_o_r_m_a_t_io_n___o_n__th__e_I_n_t_e_r_n_e_t_c_a_n_ in__fl_u_e_n_c_e_s_t_u_d_e_n_t_s_e_a_s_il_y_．__S_o_i_t_i_s_i_m_p__o_rt_a_n_t_f_o_r__u_s_t_o_m__a_k_e__g_o_o_d_u__se_ of the computer.
Today, hockey pucks are only made in four countries: Canada, Russia, China, and the Czech Republic．At large factories, workers mix rubber with a special material first．Next, they add carbon black to the mixture．Then, they pour the mixture into a machine and press it．After that, special s(标志) can be added to each side．About 5，000 ed pucks can be made in a week.
【语篇衔接词】 what's more, however, on the one hand ...on the other
hand ... 实战训练：
Our lives are becoming much better with different inventions．Among all the inventions, I like _th_e__c_o_m__p_u_t_er__b_e_s_t_．__B_e_c_a_u_s_e_i_t__n_o_t_o_n_l_y__c_h_a_n_g_e_s__the w__o_r_ld_,_b__u_t _a_ls_o__m_a_k_e_s__o_u_r_l_iv_e_s_m__o_r_e_c_o_n_v_e_n_i_e_n_t．______________________ ____T__h_e__c_o_m_p_u_t_e_r__p_la_y_s__a_n__i_m_p__o_rt_a_n_t__r_o_le__i_n__o_u_r__d_a_il_y__li_v_e_s．__W__e__c_a_n s_h_o_p__o_n_l_in__e_i_f_w__e__d_o_n_'t__w_a_n_t__t_o_g_o__o_u_t_．__W__h_a_t_'s__m__o_re_,__it__c_a_n_h__el_p__s_o_lv_e p__ro_b__le_m__s__a_n_d__m__a_k_e__s_tu__d_e_n_ts__l_e_a_r_n__m__o_r_e_．__H__o_w_e_v_e_r,__t_h_e_r_e__a_r_e__s_o_m_e d__is_a_d_v_a_n_t_a_g_e_s．__O__n__th_e__o_n_e_h_a_n_d__, _u_si_n_g__co_m__p_u_t_e_r_s_f_o_r_a__lo_n_g__ti_m__e_i_s_b_a_d__for
