牛津譯林版高中英語必修五unit3scienceandnatureppt練習(xí)課件5(存儲(chǔ)版)
【正文】 de have t old u s tha t ， w ith a li t t le w or k ， w e h u m ans c an clone j u st a b out anythi n g w e w ant ，f r om f r ogs t o m onk e ys and p r obab ly e ve n ourse lve s! So ， w e c an clone t h in gs ， b u t w h y? Let ’ s look at som e of t h e r e ason s. Unit 3 Science and nature Of all t h e r e ason s ， c lon in g f or m e d ica l p u r p ose s is t h e m ost p ot e n t ial t o b e n e f it la r ge n u m b e r s of p e opl e .M u c h of w h at r e se a r c h e r s lea r n abou t h u m an d isease c o m e s f r om stud yin g ani m al m odels su c h as m ice .Of t e n ， ani m al m odels ar e ge n e t ica ll y e n gin e e r e d t o c ar r y d isease 173。 S e ve r in o Antinori ， a n Ita li an p h ys ician ， h as d e c lar e d t h at h e w ants t o be _______ __ __ ___ __ a hu m an b e in g. t he fir st t o c lo ne Ⅰ Re ad t h e t e xt c ar e f u ll y and c h oose t h e b e st ans w e r ac c or d in g t o t h e t e x t . 1 ． Th e p as sage is m ain ly ab out _____________ __ ． A ． what c lon in g i s B ． t h e advan t age o f c lon in g C ． ar gum e n t s ab out c l oni n g h u m an e m b r yos D ． t h e d isad va n t age of c lon in g 2 ． W e c an l e ar n f r om t h e t w o le t t e r s _________ ______ ． A ． b ot h o f t h e w r ite r s ar e p r o 173。 t h at t h e r e a r e m any chil d r e n in t h e w or ld w i t h n o p a r e n t s 是一個(gè) t h at 引導(dǎo)的 賓語 從句 ， 在句子中作 p oin t o u t 的 賓 語； w h o w ou ld b e d e li ghte d t o h ave a m o t h e r 是 w h o 引導(dǎo)的 定語 從句。 ol d sa lesw om an w h o c ann ot h ave a bab y . 本句的主句是 it is goo d new s f or F aye W ils on ； Eve n t hou gh hu m an c lon in g is c ausi ng a lot o f a nxi e t y 是 讓步 狀語從句； a 41 ye ar old sa
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