2018-2019学年人教版高中英语选修八课件Unit 2 Section Ⅰ

Ⅲ.句型结构 1．Then came the disturbing news that Dolly had become se [公式]副词then, now，here, there，away...＋动词(be，lie 等)＋名词 [仿写]现在机会来了。 Nowc_o_m__es_____ the chance.
different adj.不同的；各种的 differently adv.不同地 difference n．不同(之处)；差别 differ from不同于 differ in...在……上不同；对……持不同的看法 differ with/from sb.on/about sth.在某事上和某人意见不一致 be different from与……不同 tell the difference between A and B辨别A与B的区别 make a difference有作用；有影响
The twins differ from each other in color of T-shirts. 这对双胞胎的 T 恤颜色不同。
单句语法填空 ①French differsfr_o_m______ English in this respect. ②The two squares differ _i_n______ color but noti_n_____ size ③(2018·全国卷Ⅲ改编)The style of the campus is quite (differ) from that of most Chinese universities. ④Ignoring thed_if_f_e_re_n_c_e_______ (differ) between the two will be one of the worst mistakes you make. 完成句子 ⑤It is how you react to failures that _m__a_k_e_s_a_d_i_ff_e_r_e_n_ce_____ 你对失败的反应对将来的生活有影响。
寻规巧记词
v.＋-(t)ive→adj. active 活跃的
selective 挑选的 sensitive 敏感的 competitive竞争的 positive 积极的
pay＋adv./prep.→动词
pay off 偿清(债务 pay in 存入，存款 pay back 偿还(借款)， pay for 支付……的
7．object(vi.)反对；不赞成 →o_b_je_c_t_io_n_______ (n.)不赞成；反对；异议 8．medium(n.)媒介；手段；工具 → _m__ed_i_a____ (复数) 9．forbid(vt.)禁止；不准；阻止；妨碍 →过去式 _fo_r_b_a_d_e_____ →过去分词fo_r_b_id_d_e_n_______ 10．accumulate(vt.& vi.)积累；聚积 →a_c_c_u_m_u_l_a_ti_o_n______ (n.)积累
合作探究
核心词汇
1．differ vi.不同；相异；持不同看法
①Our views on the subject differ. 我们对这个问题见解不同。 ②Her method doesn’t differ much from mine. 她的方法跟我的没有很大不同。 ③They differ with each other on moral standards. 关于道德标准，他们的见解不同。
A．3
B．6
C．9
D．13
4．We can infer from the last three paragraphs thatD______ . A．Dolly’s appearance raised a storm of objections B．Dolly’s serious disease and final death disturbed the who C．Dolly successfully cloned a new lamb with the help of cl D．there were arguments about animal cloning and concern
Ⅳ.课文理解 (Ⅰ)阅读课文，选出最佳答案 1．Which of the following statements about cloning is NOT the text？A______ A．Cloning is something that has been developed very quick B．Cloning has two major uses. C．Cloning is used by researchers to develop new plants. D．Animal cloning is much more difficult than plant cloning
2．The cloning of Dolly the sheep succeeded because B_____
A．it’s easier to clone a sheep than other animals
B．the scientists were determined and worked hard withf _____ 得到好结果；取得成功；偿清 2．casdto_w__n_____ 使失望；使沮丧 3．objectt_o_____ 反对；不赞成 4．in f_a_v_o_u_r_____ of赞成；支持 5．be ready f_o_r_____ 为……做好准备 6．o_n_____ the one hand一方面 7．be a_p_p_r_o_p_r_ia_t_e______ to对……适宜 8．have a great impacto_n_____ 对……有很大影响 9． o_f_____ one’s own属于某人自己的 10．provide...f_o_r _____ ...为……提供……
of cloning 5．The main idea of the text is D______ . A．animal cloning is very valuable and can benefit the world B．animal cloning could be misused by bad people so it mus C．animal cloning is well developed because Dolly the shee D．animal cloning raised arguments and scientists are not su
(Ⅱ)课文语法填空 Cloning is a way of 1. _m__a_k_in_g____ (make) an exact copy of plant.Cloning plants is straightforward 2. ___w_h_i_le_/_b_u_t ____ clonin complicated.It is a difficult task to undertake.Many attempts to c ___f_a_il_e_d___ (fail)．But at last the 4. ___d_e_te_r_m_i_n_a_ti_o_n____ (determin scientists paid off with 5. __a___ breakthrough—the cloning of Dolly appearance raised a storm of 6. ___o_b_j_ec_t_io_n_s____ (object) and had a media and public imagination.Altogether Dolly lived six and a half ___l_e_n_g_th___ (long) of the original sheep.
2．exact adj. 准确的；精确的
①What were his exact words? 他的原话是什么？ ②She gave an exact description of the attacker. 她对袭击者的特征作了准确的描述。 ③We need to know the exact time the accident happened. 我们需要了解事情发生的确切时间。 ④She is in her early thirties—thirty-two to be exact. 她30出头，确切地说是32岁。
to be exact 准确地说 exactly adv. 精确地；一点不错 exactly speaking 准确地说 not exactly(纠正对方刚说过的话)不完全如此
表示“在……方面准确”时，exact后接介词in，即be exact
单句语法填空 ①You haven’t changed at all; you still looke_x_ac_t_ly_______ (e ② T_o__b_e______ (be) exact, he wrote ten novels altogether. 完成句子 ③Can you tell me the _e_x_a_c_t _ro_u_t_e_______ (确切的路线) tha ④—So he told you you’d got the job? — _N_o_t_e_x_a_c_tl_y_______ (不完全是这样), but he said he wa with my performance.
At present some countries began to reform their legal _____f_o_rb_a_d_e_/_fo_r_b_a_d___ (forbid) research into human cloning, b countries like China and the UK, continued to accumulate evidenc medical aid 10. __t_h_a_t___ cloning could provide.
2．...half the length of the life of the original sheep. [公式]…倍数＋名词(长度、大小、年龄等)＋of＋名词 [仿写]这个大厅是我校大厅的三倍大。 The hall is ___t_h_re_e_t_i_m_e_s_t_h_e_s_i_ze__o_f_____ the one of our sch 3．Scientists still wonder whether cloning will help or harm [公式]．..wonder＋whether等引导的宾语从句 [仿写]我对他能否按时完成这项任务感到困惑。 I w__o_n_d_e_r _w_h_e_t_h_e_r ______ he can finish the task in time.
新课标导学
英语
选修⑧ ·人教版
Unit 2
Cloning
Section Ⅰ Warming up；Pre-reading Reading & Comprehending
1
自主预
2
合作探
3
巩固提
4
课时作
自主预习
Ⅰ.单词速记 1．u_n_d_e_r_ta_k_e______ (vt.)着手；从事；承担 2．b_r_e_ak_t_h_r_o_u_g_h______ (n.)突破 3．p_r_o_c_ed_u_r_e______ (n.)程序；步骤；手续 4．a_lt_o_g_e_th_e_r_______ (adv.)总共；完全地 5．o_b_t_ai_n______ (vt.)获得；赢得 6．differ(vi.)不同；相异 → _d_i_ff_e_re_n_t______ (adj.)不同的；相异的 → _d_i_ff_e_re_n_c_e______ (n.)差异
C．the scientists were rewarded and got lots of money
D．many other attempts to clone mammals failed
3．The sheep that donated the somatic cell (体细胞) mo
______ years.