选修8Unit2_Cloning
选修 8 unit 2 cloning
The new plants that grow from the runners （蔓藤植物）are exact copies of the original plant.
Twins
They are born naturally and identical in sex and appearance.
Cloning can help save
endangered animals Cloning can provide a copy of a child for a couple whose child has died
Quiz
In pairs, look at these pictures and discuss which ones are natural clones and which ones are man-made. Think about how they differ.
A strawberry plant
The writer’s attitude towards cloning
A. Objective (be fair) B. Negative (be against it) C. Positive (be in favour of it)
the author does not state any personal Because______________________________ opinion about cloning.
3. What problems may arise when humans are cloned? • People may want to clone themselves so they can live forever. • People may want to clone dead children. • People may want to clone their favourite pets.
高考英语第一轮总复习课件：选修八Unit2Cloning——克隆
5．This is a book that is often mentioned in them__e_d_ia________(媒 体)． 6．However，the problem that she later devbeolothpeerdeda serious lung disease____________(打 扰)scientists.
10．用assume的适当形式填空 (1)We are working on the _a_s_su_m__p_ti_o_n___that the conference will take place as planned. (2)_A__ss_u_m_i_n_g____that his story is true,what should we do?
3．Scientists are hoping for a__b_r_ea_k_t_h_r_ou_g_h_____(突破)in the search for a cure for cancer. 4．We havea_c_cu_m__u_la_t_e_d___(积聚)a great amount of evidence against him.
4．Word came __________ his son
would be sent abroad to study
business management sometime
next year.
A．that
B．whether
C．why
D．how
解析：选A。word came that...意思是 “有消息说……”，其中that引导同位 语从句，具体解释说明word的内容。
③I will forbid_you_to_leave unless you apologize for what you have done. 如果你不为自己所做的事情道歉，我 不允许你离开。 ④He forbids_smoking during office hours. 他禁止在办公时间抽烟。
新教材高中英语选修8Unit 2 Cloning
精品英语
(一)重点词汇——分类记忆 Ⅰ.阅读词汇——知其意 1．straightforward adj. 2．moral adj. 3．arbitrary adj. 4．fate n. 5．initial adj.
一、语基必备知识
_简__单__的__；__直__接__的__；___坦__率__的__ _道__德__(_上__)_的__；__伦__理__的_______ __任__意__的__________________ _命__运__；__天__命_______________ __最__初__的__；__开__始__的__________
7．assume vt.假定；设想→__a_s_s_u_m__p_t_io_n___ n．假定；设想 8．popular adj.流行的；通俗的；受欢迎的→__p__o_p_u_la_r_i_t_y___ n．受人喜爱；流行 9．object vi.反对；不赞成→__o_b__je_c_t_io_n_____ n．不赞成；反对；异议 10．correct vt.改正；纠正→__c_o_r_r_e_c_t_io_n____ n．改正；纠正 11．resist vt.抵抗；对抗→____r_e_s_is_t_a_n_t___ adj.抵抗的，反抗的→___r_e_si_s_ta__n_c_e___ n．抵 抗 12．exact adj.精确的；准确的→__e_x_a_c_t_ly_ adv.精确地
赞成；支持 寻找 鉴于；由于 为了纪念 为了纪念 就……而言
2.“v.＋off”短语荟萃 ①pay off ②cut off ③take off ④turn off ⑤put off ⑥give off
得到好结果；取得成功；偿清 切断 起飞 关闭 推迟 发出光/热/气体等
2020年高考英语一轮复习讲义 第1部分 选修8 Unit 2 Cloning
Unit 2Cloning[单词拼写应用]核心单词1．altogether ad v.总共；完全地2．forbid v t.禁止；不准3．obtain v t.获得；赢得4．owe v t.欠(账、钱、人情等)；归功于……5．shortly ad v.立刻；不久6．bother v t.打扰v i.操心n．烦扰7．strike v t.& v i.打；撞击；罢工n．罢工8．drawback n．缺点；不利条件9．undertake v t.着手；从事；承担10．breakthrough n．突破11．retire v i.退休；离开12．resist v t.抵抗；对抗[语境运用]用所给词的适当形式填空。
1．We are supposed to_undertake (undertake) the responsibility to lead alow-carbon lifestyle，which is of great significance.2．Nowadays，energy can be_obtained (obtain) through various sources such as oil，coal，natural gas，solar heat，the wind and ocean tides.3．Our school is a non-smoking school.So smoking is_forbidden ( forbid ) here.4．Had I realized you were busy，I wouldn't have_bothered(bother) you with my questions.5．But just as a coin has two sides，Internet has its own drawbacks (drawback)，which should not be neglected.6．Having_retired(retire) from business，he now occupies himself with his garden.拓展单词1．differ v i.不同；相异→different adj.不同的→difference n．差异；不同2．complicate v t.使复杂化→complicated adj.复杂的；难懂的→complication n．复杂3．correct adj.正确的v．改正→correction n．改正；纠正；修正4．object v i.反对；不赞成→objection n．不赞成；反对；异议5．accumulate v t.& v i.积累；聚积→accumulation n．积累；增加6．assume v t.假定；设想→assumption n．假定；设想7．popular adj.流行的；通俗的；受欢迎的→popularity n．受人喜爱；流行8．decorate v．装饰；装修→decoration n．装饰；装修9．reason n．原因；道理→reasonable adj.合情理的；讲道理的；公道的10．exact adj.精确的；准确的→exactly ad v.精确地；准确地[语境运用]用所给词的适当形式填空。
高考英语 第一部分 Unit 2 Cloning 北师大选修8【高考复习课件】
5．这本书跟你昨天买的那本不一样。 This book _d_if_fe_r_s_f_r_o_m_the book you bought yesterday. 6．你熬夜太晚对你的健康有很大的影响。 Your staying up so late will _h_a_v_e_a__g_re_a_t_i_m_p_a_c_t_o_n_your health. 7．你的计划成功了吗？ Did your plan _p_a_y_o_f_f ? 8．你会赞成他的意见吗？ Are you _in__fa_v_o_r_o_f_his opinion? 9．他时不时地去看看他的祖母。 He went to see his grandmother_f_r_o_m__ti_m_e__to__ti_m_e__.
1．他有过一些使他很不安的经历。 He has had some _d_is_tu_r_b_i_n_g_ experience. 2．要正式提出投诉是有固定程序的。 There is a set _p_r_o_c_ed_u_r_e_for making formal complaints. 3．你可以随便做选择。 You can make an _a_r_b_it_r_ar_y_ choice. 4．科学家在治疗那种疾病方面已有突破。 Scientists have made a _b_r_e_a_k_th_r_o_u_g_h in their treatment of that disease.
10．我们深受父母之恩。 We _o_w_e_a great deal __to_ our parents. 11．我到处都没买到那本书。 I haven't been able to _o_b_t_a_in_ that book anywhere.
高考英语一轮复习话题37克隆（Unit2Cloning）新人教版选修8
⾼考英语⼀轮复习话题37克隆（Unit2Cloning）新⼈教版选修8话题37 克隆（Unit 2 Cloning）晨读背诵When the media report on cloning in the news, they are usually talking about only one type called reproductive cloning. There are different types of cloning however, and cloning technologies can be used for other purposes besides producing the genetic twin of another organism.Scientists have been cloning animals for many years. In 1952, the first animal, a tadpole, was cloned. Before the creation of Dolly, the first mammal cloned from the cell of an adult animal, clones were created from embryonic cells. Since Dolly, researchers have cloned a number of large and small animals including sheep, goats, cows, mice, pigs ,cats, rabbits, and a gaur. All these clones were created using nuclear transfer technology.汉语⼤意：当媒体报道的克隆的消息，他们通常所说的只有⼀种称为⽣殖性克隆的类型。
高中英语选修8 Book8 unit2
bother about/with sth 为某人或某事费心或焦急 bother to do sth 费力做某事(常用于否定句)
8. We walked a couple of blocks，looking _______ for a taxi. 我们走了两三个街区寻找出租车，但没找到。
5. At the meeting Smith raised some objections________ my plan which I was able to settle with no trouble. raise/have an objection to... object to (doing) sth. oppose (doing) sth. be opposed to (doing) sth.
Unit 2 Cloning
5．The students are forbidden，unless they have special passes，____________ (stay) out after 11 pm.
6．That company wants to reduce prices to increase its market share, and this is ____________we differ from it.
own it to sb. that...多亏某人
owe sb sth＝ owe sth to sb欠某人某物 owe sb an apology 该向某人道歉 owe sb a favour欠某人一个人情 owing to 因为；由于
7. Why should they bother ______ something they take no interest in when they could get the thing they dreamed of?
高考英语一轮复习 Unit 2 《Cloning》重点梳理现题解析 选修8
选修8Unit 2 Cloning要点梳理高效梳理·知识备考●重点单词1．differ vi.不同；相异→different adj.不同的→difference n．不同，差异2．twin n．双胞胎之一；孪生儿之一 adj.成对的；成双的3．straightforward adj.简单的；直接的；坦率的4．undertake vt.着手；从事；承担→undertook(过去式)→undertaken(过去分词)5．breakthrough n．突破6．cast vt.扔；投；掷→cast/cast(过去式/过去分词)7．object vi.反对；不赞成→objection n．不赞成；反对；异议→objective adj.真实的；客观的；无偏见的8．obtain vt.获得；赢得9．attain vt.获得；达到(水平、年龄、状况等)10．forbid vt.禁止；不准→forbade(过去式)→forbidden (过去分词)11．accumulate vt.积累；聚积12．owe vt.欠(账、钱、人情等)；归功于……13．retire vi.退休；离开→retirement n．退休14．bother vt.打扰 vi.操心 n．烦扰15．strike vi. & vt.打；撞击；罢工→struck/struck (过去式/过去分词)16．vain adj.虚荣的；自负的；徒劳的17．resist vt.抵抗；对抗→resistance n．抵抗；对抗→resistant adj. 18．drawback n．缺点；不利条件19．feather n. 羽毛20．adore vt.崇拜；爱慕；喜爱●重点短语1．pay off得到好结果；取得成功；偿清2．cast down沮丧；不愉快3．object to反对4．in favour of 赞成；支持5．owe...to... 把……归功于……6．(be)bound to(to)．.. 一定或注定(做)……7．strike...into one’s heart 使……刻骨铭心8．from time to time 不时；偶尔9．bring back to life使复生；使复活10．in vain 白费力气；枉费心机11．in good/poor condition状况很好/坏；情况很好/坏12．have a great impact on对……有很大影响●重点句型1．Then came the disturbing news that Dolly had become seriously ill.之后传来了多莉得了重病的令人烦恼的消息。
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(3)…object to the view that…/ are against…
(4)I can’t agree with …because…
Consolidation
The passage mainly tells us what
sheep meet?
4. What effect did Dolly have?
5. How did the governments react
to human cloning?
1.What’s the style of the passage ?
A.narrative (记叙文)
B.argumentative(议论文)
4. Religious leaders raised _______ moral questions about human cloning.
5.What can we learn from the passage ?
As one coin has two sides, everything has _____ two bad aspects(方面). Cloning has both ______and _____ good aspects ._______________, On the one hand if cloning is used in a
correct way ,it can bring lots of convenience to us.
________________, On the other hand if cloning is used in an evil way ,it can cause much trouble. __________, Therefore we should use cloning in a correct way.
C.explanatory(说明文)
2. What are the two major uses of cloning ?
The first use is to produce commercial quantities of plants ; the second one is to research on new plant species and medical research on animals.
Let’s make a discussion about whether cloning should be allowed in China ? Give your reasons.
Possible sentence patterns:
(1)People’s views vary from person to person.
供卵细胞母羊 多莉 细胞 取出细胞核 2n n 细胞核 无核卵细胞 代孕母羊
无核细胞 融合细胞
体外培养
胚胎 （融合细胞分裂）
1. What is cloning? 2. What uses does cloning have? 3. What problems did Dolly the
3. What’s the effect of cloning ?
On the one hand ,it opened everybody’s possibility eyes to the ____________of using cloning to serious illnesses cure_______________and even produce human beings On the other hand , Its _____________; objections appearance raised a storm of ___________ and had a great impact on the _______ media and imagination public__________.
4.What are the advantages and disadvantages of cloning ?
advantages
commercial 1.Cloning plants can produce ___________ ____________ quantities of plants . 2. Cloning plants can be useful for research on new _____ plant species. 3. Medical cloning could produce ______ cures for serious illnesses.
c______ loning is , the a_________ rguments raised
by Dolly the sheep and scientists are not
sure about its f_________. uture
disadvantages
1. Animal clones may develop the i________ llnesses of older animals. 2. Animal clones may _____younger than the die donor animals. 3. Evil leaders may want to clone ______ themselves to attain their ambitions.