人教版高中英语选修八B8U3LearningaboutLanguage+49张
人教课标版高中英语选修8Unit3Learning about Language PPT课堂课件(
猜测词义的方法：
inconvenient? 不方便的
1.在语境中，结合该句或上下句猜测词义。 2.利用构词法（合成，前缀，后缀等）猜测词义。
人教课标版高中英语选修8Unit3Learn ing about Language PPT课堂课件(30页)（ -精精品品P） PT课件
人教课标版高中英语选修8Unit3Learn ing about Language PPT课堂课件(30页)（ -精精品品P） PT课件
9._p_a_s_s_i_v_e_ adj.被动的；消极的 10._f_r_e_e_z_in__g__ adj.冰冻的；严寒的 11._v_a_l_i_d__ adj. 有效的；确凿的 12. c_a_u__ti_o_n___ n.小心；谨慎 13. c_o_u__r_ty__a_r_d__ n. 院子；庭院 14. _e_x_p_e_c_t_a_t_io_n____ n.预料；期待；期望 15. _c_a_l_l_u_p____ 给.......打电话 16. n_o_w__a__n_d__th__e_n__偶尔；有时
AI 人工 智能
robot We associate the robots with doing tough tasks because they can get through with them more easily. Scientists dive into developing AI, which may be very popular in the future.
Ⅱ. Translate the words and phrases into English.
1._m__e_r_c_if_u_l_ adj. 宽大的；仁慈的 2._p_r_o_d__u_c_t__ n.产品 3._s_t_a_i_n_l_e_s_s adj.无锈的；没有污点的 4. p__o_w_d__e_r__ n.粉末；火药 5. _p_a_t_e_n_t__ n.专利证书；专利权 6._c_u_b_e____ n.立方；立方体 7. _a_b_r_u_p__t adj. 突然的；唐突的 8. _m__e_r_r_y__ adj.高兴的；愉快的
人教版英语选修8Unit3Learning about Language 课件
11. m__e_r_ry_______ adj.愉快的，高兴的. _m_e_r_ri_ly______ adv.愉快地，高兴地
12._c_r_it_e_ri_o_n___n.评判的标准，尺度--（pl）__c_r_it_e_r_ia___
Summary (1’)
to master the usage of the important words and expressions, especially verb phrases.
Homework
1. Learn the language points by heart. 2. Do the exercises.
3. merciful: adj. 宽大的，仁慈的，慈悲的
教材原句：How can a merciful God permit a human being to suffer such great pains?
归纳拓展：
(1).be merciful to:
merciless: adj. (2).mercy: n. show mercy to
自主归纳：
__d__is_t_i_n_g_u__is_h__A__f_r_o__m__B_______
__d__is_t_i_n_g_u__is_h__b__e_tw__e_e_n__A__a__n_d__B_
把…和…区别开
__d__is_t_i_n_g_u__is_h__o_n__e_s_e_lf_____ 表现突出，使自己与众不同
短语复习：
1.call __u_p__
给……打电话
人教版高中英语选修8教学设计6：Learning about Language
Learning about LanguageTeaching Goals: 1. To enable Ss to master some new words and expressions.2. To get Ss to have knowledge of this grammar point: the attributive clause (由where, when, why, 介词+which, 介词+whom引导的定语从句).Teaching Procedures:Step 1. Word studyPurpose: To consolidate the words and phrases in the text.1. Ask Ss to read the reading text and find words that mean the same.Alternative expressions Words and expressions from the texta great numberrate, number or amount in each hundredshow sth, especially by pointing or suggestthe possibility or probabilitya method or a way of doingmixing or being mixedmoving of people from one country to cometo live in another country permanently_condition of being a slavecharacteristic of race ; due to or resultingfrom racenarrow passage of water connecting twoseas or two large areas of watermembership of a particular nationtake place; happennever stop; continue steadily; go onmake known publicly or officiallySuggested Answers:Alternative expressions Words and expressions from the texta great number a great manyrate, number or amount in each hundred percentageindicateshow sth, especially by pointing or suggestthe possibility or probabilitya method or a way of doing meansmixing or being mixed mixturemoving of people from one country to comeimmigrationto live in another country permanently_condition of being a slave slaverycharacteristic of race ; due to or resultingracialfrom racestraitnarrow passage of water connecting twoseas or two large areas of watermembership of a particular nation nationalitytake place; happen occurnever stop; continue steadily; go on keep upmake known publicly or officially declare2.Ask Ss to finish Ex2 of Discovering useful words and expressions on P4.Step 2. GrammarPurpose: To get Ss to have knowledge of the grammar.1. Ask Ss to find out all the noun clauses in the reading text.Line 4: Exactly when the first people arrived in what we now know as California, no one really knows.Line 5: However, it is likely that Native Americans were living in California at least fifteen thousand years ago.Line 6: Scientists believe that these first settlers crossed the Bering Strait from Asia to Alaska by means of a land bridge which existed in prehistoric times.Line 14: Two centuries later, the Spanish had settled in most parts of South America and along the northwest coast of what we now call the United States.Line 21: This is why today over 40% of Californians speak Spanish as a first or second language.Line 50: It is believed that before long the mix of nationalities will be so great that there will be no major racial or cultural groups, but simply a mixture of many races and cultures.2. Ask Ss to finish Ex1, Ex2 and Ex3 of Revising useful structures on P5.3. Lead Ss to make a summary.Noun clauses have four kinds—subject clause; object clause; predicative clause and appositive clause.●When “that” is used in subject clause, predictive clause and appositive clause, it can’t be omitted and can’t be used as any member.●In subject clause, sometimes “it”is used as formal subject. The special interrogative started with “ wh-” also can be used in subject clause.●In object clause, “that” can be omitted.●In appositive clause, “that”can often be put behind these words. Such as: advice, demand, doubt, fact, hope, idea, information, message, news, order, problem, promise, question, request, suggestion, truth, wish, and word.Step 3. Practice1. Ask Ss to finish Ex4 of Revising useful structures.2. Ask Ss to tell the noun clauses from the attributive clauses.First, let Ss know the definition of the two clauses. A clause is called a noun clause when it is used as the subject, object, predicative or appositive in a sentence. A clause is called an attributive clause when it is used as an attribute modifying a noun or a pronoun..Second, ask Ss to judge which one is the noun clause and which one is the attributive clause.(1)It is true that he passed the English test.(2)That is why I tell you the news.(3)This is the scientist whose name is known all over the country.(4)The news that we won the game is exciting.(5) A dictionary is a book which gives the meaning of words.(6)October 1, 1949 was the day when the People’s Republic of China was founded.(7)Father made a promise that if I passed the exam, he would buy me a bicycle.(8)Nobody knows why he mentioned that at the meeting.(9)The situation which we had got into was very dangerous.(10)Is this the room where we were living last winter?Suggested Answers:(1) the subject clause(2) the predicative clause(3) the attributive clause(4) the appositive clause(5) the attributive clause(6) the attributive clause(7) the appositive clause(8) the object clause(9) the attributive clause(10) the attributive clause3. Divide Ss into groups of four. The first person begins with a sentence and each person in the group adds extra and different information using the noun clause.Example: S1: The school is where we study.S2: The school is where I have lessons.S3: The school is where I learn from others.S4: The school is where we share joys and sorrows.More versions:(1) Who is sent to Africa has not been decided.When the person is sent to Africa has not been decided.Where he is sent has not been decided.Why he is sent to Africa has not been decided.(2) I think watching TV too much is bad for people’s health.I want to know whether he has passed the chemistry exam.I asked him whose handwriting was the best in the class.The teacher is pleased with what she has said.I am sure that you will make greater progress in English through hard work. Step 4. ConsolidationPurpose: To get Ss to master knowledge of the grammar through exercises. 1. Ask Ss to complete these sentences using a noun clause.(1) We are surprised (他的英语不及格).(2) (谁是第一个登上月球的) is clear to us.(3) It is strange ______________________(他昨天没有参加会议).(4) Jack is a nice boy, except _________________（有时上学迟到）.(5) It is a pity ______________________（今年夏天我们不能去桂林）.(6) The news ____________________（他通过了高考）is exciting. Suggested Answers:(1) that he has failed in the English exam(2) Who was the first man to land on the moon(3) that he didn’t attend the meeting yesterday(4) that he is sometimes late for school(5) we can’t go to Guilin this summer(6) that he has passed the national college entrance examination2. Ask Ss to finish Ex1 of Using Structures on P49.Step 5. Homework1. Ask Ss to review the new words and phrases.2.Ask Ss to learn the rules of the noun clauses by heart.。
高中英语选修八：Unit 3 Learning about Language
(2) 动词-ed形式可作使役动词的宾语补足语,
这类动词包括make, get, have, keep, leave, hold等。
I have my hair cut once a month． 我每个月理一次发。
He was trying to make himself understood． 他正努力使别人听懂自己。
convenience
adj.
convenient;
independence independent
n. cube base fancy mercy stain care caution
poision
adj.
cubic basic fanciful merciful stainles scareles scautious
We thought the game lost． 我们认为球赛输了。
I have never heard him spoken ill of others. 我从未听过有人说他的坏话。 She felt a great weight taken off her mind． 她觉得心里轻松了些。 They considered the matter settled． 他们认为这问题解决了。
作表语的-ed形式可被much, very, quite 等所修饰。 I was very pleased at the news． 听了这消息我很高兴。 He grew much tired of the work． 他十分厌倦这工作。
人教高中英语选修八课件：Unit 3 第二学时 Learning about Language
(3)He formed the habit of____________ ________getht ethervoeungihng paper after supper.
looking through
要点 讲与练
3．When I called up my mother in the countryside on the telephone she was very upset.(p.20)
要点 讲与练
(4)Mother went through the drawer for her glasses. 妈妈在抽屉里翻找她的眼镜。 (5)A terrible noise went through the house. 恐怖的声音穿过房子。
要点 讲与练
词语链接
read through 通读 look through 浏览 flow through 流过 get through 通过， 接通，使……成功 search through 搜寻， 查找
drop in on you at your office
calls for courage and determination
要点 讲与练
4. Snakes come near the house now and then, and they seem to have made their home here.(p.20)
(2)The old photo __________________(使我回忆起) of my childhood.
(3)I'll _________________________(到你办公室拜访你) this
afternoon.
calls up memories
人教课标版高中英语选修8 Unit3_learning_about_Language_名师课件1
Theme/ Main topic
How often
where (n.)
what to do (v.)
Her feeling (adj.)
Inventing
How to do it (v.)
How to apply for a patent (v./phrases)
1. A great many patent examiners will examine whether your claim is ___v_a_li_d____ or not. 2. You need to approach the _p_o_i_s_o_n_o_u_s_ snake with great ___c_a_u_ti_o_n__ as it may bite. 3. It doesn't rain very often in my hometown, only ___n_o_w__a_n_d__th_e_n__________. 4. She wanted to invent something __m__e_rc_i_fu_l__ to catch the snakes and ___re_l_e_a_s_e__ them into the wild. 5. For the second attempt, after she ___f_ro_z_e____ the bowl and the ice-cubes again and ___p_la_c_e_d___ them ___o_v_e_r____ the snakes' habitat. 6. Only after she ____g_e_ts_r_e_c_o_g_n_it_io_n__fo_r_____ her successful idea can she say that she is a true inventor.
人教课标版高中英语选修8Unit3Learning about Language (共27张PPT)
company today are very famous around the world. It produces millions of cars every year. It is named after Benz who invented the first car. The invention didn’t happened occasionally.But Benz’s grasping every occasion led to his success, this inventions brought us a lot of convenience.
_p__r_a_c__t_i_c_a_ lly (adv.)
• ____v_a__l_u_e (n.)
• 16.merry (adj.)愉快的
• 12. associate (vt.)联想；• 联系_m___e_r_r_i_l_y_ (adv.)
人教课标版高中英语选修8Unit3learning about language课件(共30张PPT)
4)_H_av_in_g_b_e_en__ac_c_ep_t_ed_(accept) by the whalers , the killers were able to get a good feed from the whale. 5)Clancy didn’t mind__be_in_g_t_ol_d_(tell)what to do. 6)B_e_in_g_h_el_p_ed_o_u_t (help out) by the killers were able to make a successful kill. 7)The children enjoyed__b_ei_ng_t_a_ke_n_(take) to the aquarium. 8)It seemed the sea lion didn’t mind_b_ei_ng__ph_o_to_g_ra_p_he_d_(photograph) with the tourists after all.
street, The government is aware of what it____r_e_f_le_c_ts__(reflect) And ____u_rg_e_s___(urge) annual _co_n_s_e_r_v_a_ti_o_n(conserve) of them
2 Read these sentences. Then replace the words in italics with words that mean the same from the unit. 1. Some personal stories about Mark
1)James was afraid of_b_ei_ng_a_t_ta_ck_ed(attack) by sharks. 2)_B_e_in_g_h_el(dhuopld up) in the water by Old Tom . James was confident he would survive. 3)_B_e_in_g_in_c_lu_de_d(include) in the hunt was a great thrill for Clancy.
人教版高中英语选修8 Unit3 Learning about language 精品课件
当我们听到这件事时, 被深深地感动了。
常见的作表语的过去分词有:
amused(愉快的)； broken(碎了的)；closed(关闭的)； astonished(吃惊的)；crowded(拥挤的)； experienced(有经验的); delighted(高兴的)； lost(丢失的) ；gone(遗失的)； disappointed(失望的)； worried(担忧的)； interested(感兴趣的) ；tired(疲劳 的) ；pleased(高兴的)；satisfied(满意的)； surprised(吃惊的); married(已婚的)； known(著名的) 等
The books left are for my students． 剩下的书是给我的学生的。
② 动词-ed形式短语作定语时，通常要放在被修饰的 名词的后面，在意思上相当于一个定语从句。 Is there anything planned for tonight? 今晚有什么活动吗? (=that has been planned for tonight) The meeting, attended by a lot of people, was a success ．这次会议有很多人出席, 开得很成功。 (=which was attended by a lot of people)
【真题在线】 1.（2013•湖南高考）You cannot accept an opinion ________ to you unless it is based on facts. A. offering B. to offer
C. having offered
D. offered
【解析】选D。考查非谓语动词。句意：你不能接 受提供给你的某个观点，除非其基于事实。 offered为过去分词在句中作定语，opinion与offer 构成逻辑上的动宾关系。offer提供。
人教版选修8 Unit 3 Period 3 Learning about Language (1-
2018学年度人教版选修8Period 3 Learning about Language (1-2)教案设计Teaching Goals:1. To enable Ss to master key phrases and expressions2. To enable Ss to learn how to use these words and expressionsTeaching Procedures:Step 1. Language studyPurpose: To train Ss’ listening ability and language capacity.1. Ask Ss to read the text and match Column A with Column B.Column A Column B(1) upset A. standard of judgment(2) distinguish B. substance that has been crushed, rubbed, or worn to dust(3) powders C. having force in law(4) approach D. trouble; cause( sb )to be disturbed(5) abruptly E. make (oneself) well known; see or recognize the difference(6) valid F. way; path, road(7) criteria G. suddenly; unexpectedlySuggested Answers:(1) D (2) E (3) B (4) F (5) G (6) C (7) A2. Ss are divided into small groups and have a discussion. Find out difficult words and expressions and write the words and expressions found on a piece of paper.3. Get students to display their papers by projector, and tick out the most useful words andexpressions.4．Explain some important sentences(1) Here was a chance for me to distinguish myself by inventing something that would catchsnakes but not harm them.(2) The first thing I tried to do was to see if there were Products that might help me, but thereonly seemed to be powders designed to kill snakes..(3) Only after you have had that recognition can you say that you are truly an inventor.(4) The criteria are so strict that it is difficult for new ideas to be accepted unless they aretruly novel(5) Nor will you receive a patent until a search has been made to find out that your productreally is different from everybody else`s.5. Explain some important points(1) call up : ring up打电话，使…回忆起call back召唤某人回来；再访；回电话call for 需要，要求，接（人或物）call in 邀请；请来call on 拜访（人）；call at 拜访（某地）call off 取消Ask Ss to use the above phrases to fill in the following blanks:①Let’s go to the meeting together ,and I’ll ______you.A. call onB. call atC. call upD. call for②The football match was ________ on account of the weather.A. call backB. call offC. call inD. call for③As soon as he got home, he________ Mr wang.A. call onB. call atC. call upD. call for④The old photo_________ memories of his childhood.A. call inB. call atC. call upD. call forSuggested Answers:①A ②B ③C ④C (2) now and then :sometimes; at times; from time to time; once a while时而；不时I see films now and then, but not often. I like to go on a trip now and then.(3) distinguish vt. & vi.①辨别；辨认In spite of the haze he can distinguish the hill fairly.②（常与from, between连用）区别；区分你能区分那两个物体吗？C an you distinguish between those two objects应当教育孩子分辨好坏。
高中英语选修八：Unit 3 Learning about Language
valid
3. You need to approach that animal with
(2) 动词-ed形式可作使役动词的宾语补足语,
这类动词包括make, get, have, keep, leave, hold等。
I have my hair cut once a month． 我每个月理一次发。
He was trying to make himself understood． 他正努力使别人听懂自己。
三、动词-ed形式作宾语补足语
能用作宾语补足语的过去分词一般都是 及物动词,表示被动意义或已完成意义, 有时候两者兼而有之。作宾语补足语的 过去分词与宾语有逻辑上的动宾关系, 即宾语是过去分词动作的对象。
She found the door broken in when she came back．
(2) 后置定语
①少数单个动词的-ed形式, 如left等, 只能 作后置定语。
e.g. The books left are for my students． 剩下的书是给我的学生的。
② 动词-ed形式短语作定语时, 通常要放在 被修饰的名词的后面, 在意思上相当于 一个定语从句。
Is there anything planned for tonight? 今晚有什么活动吗? (= that has been planned for tonight)
She held her hands pressed against her face. 她用双手按着脸。
人教课标版高中英语选修8Unit3learning about language (grammar)(共19张PPT)
6. I noticed the traffic holding up after a bad accident. holding →held
高中英语
过去分词用法: 构成及特点：过去分词用done 来表示， 它表被动、完成或状态。
1、作定语时，一般单个做前置定语， 短语做后置定语，但left 例外：there is no time left.注意：一般修饰物用动词 的现在分词形容词性化来限定，但若
If you want to be an inventor,you must have a plan __d_e_s_i_g_n_e_d___ to solve a particular problem.This is as easy as it sounds.Many ideas, _d_e_v_e_l_o_p_e_d after weeks of research, may not prove successful.Many unsuccessful approaches
like dislike hate want hope wish order demand sth done(4) with 的复合结构：with sth
done
高中英语
Task: 1.Do the following multiple choice exercises.
2.Consolidated exercises in Ex2,3 in the workbook on page24.
2. I know little about the girl calling Lily.
calling→called
高中英语
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二、动词-ed形式作表语
过去分词作表语并无“完成”或“被动”之意 而是表示主语的状态或思想感情等。如：
Helookedworriedafterreadingtheletter．
看完信后,他显得很忧虑。
Whenweheardofit,weweredeeplymoved．
当我们听到这件事时,被深深地感动了。
高考链接
1)Cleaningwomeninbigcitiesusually 2)get____bythehour.(NMET98) C 3)A.payB.paying 4)C.paidD.topay 2)AswejoinedthebigcrowdIgot____ C frommyfriends.(NEMT2001) A.separatedB.spared C.lostD.missed
recognizewhoisinnocentandwhoisguilty. distinguish
3Completethepassageusingthe correctformofthewordsorphrase below.
fileabruptlyvalidproductseize perfumecriterionsetabout
3)TheOlympicgames,_______in776BC, C didn'tincludewomenplayersuntil1912. A.firstplayingB.tobefirstplayed C.firstplayedD.tobefirstplaying 4)Pricesofdailyfoods______througha B computercanbelowerthanpricesinstores. (2002年全国春） A.areboughtB.bought C.beenboughtD.buying
过去分词作定语往往与被修饰的词靠得很紧,
渐渐地成为一个复合词。这种分词叫分词形容
词(theParticipleAdjective),实际上相当于
一个单纯的形容词,除表示“完成”的动作之外,
还表示“被动”的意义。如：
spokenEnglish英语口语 icedbeer冰冻啤酒 cookedfood熟食friedchips炸土豆条
我爷爷找人重修了一下他的旧房子。
动词-ed形式作宾语补足语的基本用法
动词的-ed形式可以在“主语+谓语+宾语 +宾语补足语”句型中充当宾语补足语。在 这一结构中,动词-ed形式和它前面的宾语 构成逻辑上的被动关系。如果这种句子改 为被动语态,原来的宾语补足语变成了主语 补足语。
Peoplefoundthegirlbeatenblackandblue．
reduce
freezing
disappoint ing
identify
satisfy
2Replacetheunderlinedpartswithwords thathavethesamemeaning.Rewritethe sentencewhennecessary.
1.Thegreengroceratthecornerisprobably theeasiestandnearesttoreach. mostconvenient 2.Ifyouwanttoapplyforacreditcard,you mustprovideofficiallyacceptableidentification. valid
3)Thepilotaskedallthepassengerson boardtoremain____astheplanewas C makingalanding.(2004上海) A.seatB.seating C.seatedD.tobeseating
三、动词-ed形式作宾语补足语
能用作宾语补足语的过去分词一般都是
“have+宾语+done”结构有三个含义：
①(请人)把某事做完。
Shehadherhouserepaired．
及物动词,表示被动意义或已完成意义,有时候两者兼而有之。作 Nhomakorabea语补足语的
过去分词与宾语有逻辑上的动宾关系,
即宾语是过去分词动作的对象。
Shefoundthedoorbrokeninwhenshe
cameback．
她回来时发现有人破门而人。
Mygrandfatherhadhisoldhouserebuilt．
Heseemedquitedelightedattheidea． 听到这个想法,他似乎很高兴。
作表语的-ed形式可被much,very,quite 等所修饰。 Iwasverypleasedatthenews． 听了这消息我很高兴。 Hegrewmuchtiredofthework． 他十分厌倦这工作。 Heseemedquitedelightedattheidea. 听了这想法他似乎很高兴。
However,shesuggestedthatIshouldproduce a________frommynewlily.Withher perfume
encouragement,Idecidedto______the seize
opportunitytomakearealinvention,so
(2)后置定语
①少数单个动词的-ed形式,如left等,只能 作后置定语。 e.g.Thebooksleftareformystudents．
剩下的书是给我的学生的。
②动词-ed形式短语作定语时,通常要放在
被修饰的名词的后面,在意思上相当于
一个定语从句。
Isthereanythingplannedfortonight?
I_________mystudiesondevelopingmy setabout
________,forwhichIhopeIwillsucceedin product
applyingforapatent.
Grammar
动词-ed形式作定语
动词-ed形式作表语
动词-ed形式作宾语补足语
一、动词-ed形式作定语
人们发现这个女孩被打得青一块紫一块。
(宾语补足语)
Thegirlwasfoundbeatenblackandblue．
(主语补足语)
(1)动词-ed形式可作表示感觉和心理状态的
动词的宾语补足语,这类动词包括see,hear,
watch,notice,feel,find,think,suppose,
今晚有什么活动吗? (=thathasbeenplannedfortonight)
Themeeting,attendedbyalotofpeople, wasasuccess． 这次会议有很多人出席,开得很成功。
(=whichwasattendedbyalotofpeople)
高考链接
1) Mostoftheartists_____tothepartywere A 2) fromSouthAfrica.(MET90) 3) A.invitedB.toinvite 4) C.beinginvitedD.hadbeeninvited 5) 2)Thefirsttextbooks_____forteaching D 6) Englishasaforeignlanguagecameoutin 7) the16thcentury.(NMET94) 8) A.havingwrittenB.tobewritten 9) C.beingwrittenD.written
高中英语课件
madeofcanruohanxing
Unit3Inventorsandi nventions
Discoveringusefulwordsandexpressions
1 Ingroupsmakewordpairswith 2 thesamesuffix.Addmoreofyourown. EXAMPLE:n.adj.
6.Idon’tthinkofmyhometownverymuch, onlysometimes. Ileft.
nowandthen 7.Luckilytherainfallstoppedsuddenlybefore abruptly 8.Inacourtroomitissometimesdifficultto
他们认为这问题解决了。
(2)动词-ed形式可作使役动词的宾语补足语, 这类动词包括make,get,have,keep,leave,
hold等。
Ihavemyhaircutonceamonth． 我每个月理一次发。 Hewastryingtomakehimself understood． 他正努力使别人听懂自己。 Sheheldherhandspressedagainstherface. 她用双手按着脸。
poisonous
v. expect relax
n.
adj.
v.
expectation
relaxation production reduction identification satisfaction
strong
long
strengthen
lengthen freeze disappoint
produce
WhenIfirstappliedforapatentIwasvery puzzledbythe_______.Ihadproducedanew criteria typeoflily.Iwasamazedwhenmyapplication was________refused.Thepatentofficer abruptly dealingwithmy____explainedtomethata file newplantvarietyisnota_______invention valid asitisaresultofadjustinggrowthscientifically.