句式结构 句式 4:before 引导的时间状语从句
课文复现
The skin, which acts as a barrier against disease, toxins and the sun's rays, is 1.____a_n___ essential part of your body and is its largest organ.So if your skin gets 2.__b_u_rn_e_d_/_b_u_rn_t_ (burn), it can be very serious.The cause of burns can be 3.__v_a_ri_o_u_s_ (vary) things: hot liquids, steam, fire, radiation, the sun, electricity, acids and so on.
20.suburb n.郊区;城外 21.membership n.会员身份;全体会员;会员人数
高频词汇
1.__te_c_h_n_i_q_u_e_ n.技能;技术;技艺 2.__u_n_d_er_n_e_a_th__ prep.& adv.在……底下;隐藏在下面 3.__f_a_b_ri_c__ n.织物;布料;(社会、机构等的)结构
拓展词汇
1.__o_r_g_a_n__ n.(人或动植物的)器官→organic adj.有机的;器官 的→_o_r_g_a_n_is_m_ n.有机体;生物体
2._r_a_d_ia_t_io_n_ n.辐射;放射线→radiant adj.辐射的;容光焕发的 3.minor adj.较小的;次要的;轻微的→_m_i_n_o_r_it_y_ n.少数民族 adj.少数的 4.electric adj.电的;用电的;电动的→_e_l_e_c_tr_ic_a_l_ adj.用电的; 与电有关的;电学的→__e_l_ec_t_r_o_n_ic_ adj.电子的→_e_l_e_ct_r_ic_i_ty__ n.电