锟斤拷锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷一锟�(xi锟斤拷ng)系锟統(t锟斤拷ng)锟侥學(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟教ｏ拷要锟斤拷邚锟�(f锟斤拷)锟斤拷(x锟斤拷)效锟斤拷锟斤拷锟斤拷锟斤拷要注锟截學(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷锟紿要锟诫方锟絆(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟较庯拷锟侥忥拷(f锟斤拷)锟斤拷(x锟斤拷)思路锟斤拷還要锟斤拷锟斤拷(j锟斤拷)锟皆硷拷锟侥岋拷(sh锟斤拷)锟紿锟斤拷r锟組(j锟斤拷n)锟斤拷锟絳(di锟斤拷o)锟斤拷锟斤拷锟斤拷蝸锟�(l锟斤拷i)锟斤拷锟斤拷@一锟斤拷幕锟斤拷W(xu锟斤拷)锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟截ｏ拷锟斤拷锟斤拷(j锟斤拷)锟皆硷拷锟侥教學(xu锟斤拷)锟酵歷锟矫匡拷锟斤拷锟缴癸拷锟侥斤拷(j锟斤拷ng)锟�(y锟斤拷n)锟斤拷锟斤拷锟絟同锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟铰庯拷锟絚(di锟斤拷n)锟斤拷
 
锟斤拷锟斤拷1锟斤拷循锟斤拷u锟組(j锟斤拷n)锟斤拷锟斤拷没锟斤拷A(ch锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷睢�

锟斤拷锟斤拷要锟斤拷锟斤拷(j锟斤拷)锟皆硷拷锟侥學(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷r锟狡讹拷锟絕锟矫的學(xu锟斤拷)锟斤拷(x锟斤拷)計(j锟斤拷)锟斤拷锟斤拷使锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷計(j锟斤拷)锟斤拷锟斤拷锟斤拷目锟侥碉拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷要全锟斤拷锟�(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷要突锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷要锟洁看锟斤拷锟斤拷抓住锟教诧拷锟叫碉拷锟斤拷要知锟絉(sh锟斤拷)锟斤拷锟借，锟截別锟斤拷锟叫學(xu锟斤拷)锟斤拷锟絎(xu锟斤拷)锟侥猴拷锟侥冿拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟斤拷還原锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟絰锟接凤拷锟斤拷(y锟斤拷ng)锟斤拷元锟截伙拷锟斤拷锟斤拷知锟絉(sh锟斤拷)锟斤拷電伙拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟絎(xu锟斤拷)計(j锟斤拷)锟斤拷锟�锟斤拷锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)要注锟截伙拷锟紸(ch锟斤拷)锟斤拷锟接忥拷(qi锟斤拷ng)锟斤拷(du锟斤拷)知锟絉(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷B(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷“記住锟紻锟斤拷锟斤拷D锟斤拷(hu锟斤拷)锟斤拷”锟斤拷要針岋拷(du锟斤拷)锟皆硷拷锟侥學(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷r锟斤拷锟斤拷漏锟絘(b锟斤拷)缺锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷針岋拷(du锟斤拷)锟皆地忥拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷原锟斤拷锟斤拷锟絗锟筋應(y锟斤拷ng)锟矫ｏ拷注锟截斤拷锟絵思路锟斤拷

锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)原锟斤拷锟斤拷元锟斤拷锟截猴拷原锟絫锟斤拷锟斤拷锟斤拷還原锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷拥锟绞э拷睾锟�锟斤拷锟斤拷锟絎(xu锟斤拷)平锟解、锟斤拷锟絴(zh锟斤拷)锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟叫機(j锟斤拷)锟斤拷锟斤拷(y锟斤拷ng)锟叫旓拷锟絀锟斤拷锟絀锟斤拷一锟斤拷規(gu锟斤拷)锟斤拷锟斤拷要锟斤拷锟絚(di锟斤拷n)锟斤拷锟�锟斤拷锟斤拷锟秸伙拷锟絎(xu锟斤拷)锟斤拷锟斤拷原锟斤拷锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟节斤拷锟絵锟斤拷锟絗锟筋應(y锟斤拷ng)锟斤拷锟斤拷锟截岋拷锟斤拷锟絵思路锟斤拷锟斤拷锟斤拷(qi锟斤拷ng)锟斤拷锟絵锟侥硷拷锟斤拷锟皆★拷锟界應(y锟斤拷ng)锟斤拷锟截恒法锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷討論锟斤拷锟斤拷一些計(j锟斤拷)锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷呓锟斤拷}锟斤拷锟斤拷锟绞和滐拷(zh锟斤拷n)锟絖锟斤拷锟斤拷锟狡旓拷锟叫機(j锟斤拷)锟斤拷慕Y(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷要抓住锟叫機(j锟斤拷)锟斤拷锟斤拷軋F(tu锟斤拷n)锟斤拷锟紻(zhu锟斤拷n)锟斤拷規(gu锟斤拷)锟缴和凤拷锟斤拷(y锟斤拷ng)锟侥伙拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟叫機(j锟斤拷)锟斤拷抓住锟絅锟斤拷锟絬锟斤拷锟絅锟斤拷锟斤拷锟斤拷醛锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一系锟斤拷變锟斤拷锟絇(gu锟斤拷n)系锟斤拷要通锟絕(gu锟斤拷)锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷`锟筋應(y锟斤拷ng)锟斤拷知锟絉(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟絤锟斤拷(d锟斤拷ng)锟斤拷一些锟紺锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷(ch锟斤拷)锟斤拷锟斤拷锟絕锟絏锟斤拷锟斤拷锟竭匡拷锟絩(sh锟斤拷)锟斤拷锟皆嗭拷锟絣(f锟斤拷)思锟絊锟斤拷要注锟截岋拷(sh锟斤拷)锟�(y锟斤拷n)原锟斤拷锟斤拷锟竭匡拷锟斤拷锟絎(xu锟斤拷)锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟絵锟侥憋拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟侥忥拷(f锟斤拷)锟斤拷(x锟斤拷)要锟斤拷(c锟斤拷)锟斤拷锟节岋拷(sh锟斤拷)锟�(y锟斤拷n)锟侥伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟侥凤拷锟斤拷锟斤拷锟絆(sh锟斤拷)計(j锟斤拷)锟斤拷锟絬(p锟斤拷ng)锟絩(ji锟斤拷)锟斤拷锟斤拷“锟斤拷么锟斤拷”锟斤拷“锟斤拷什么”锟斤拷锟斤拷視锟斤拷(sh锟斤拷)锟�(y锟斤拷n)原锟斤拷锟酵岋拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷(hu锟斤拷)锟斤拷锟絕锟斤拷锟斤拷z锟統(c锟斤拷)NaCl锟斤拷Na2CO3锟斤拷锟斤拷锟斤拷锟絅a2CO3锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷锟斤拷锟矫筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟酵滴讹拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷知锟轿讹拷锟斤拷锟斤拷谩锟斤拷锟斤拷锟侥高匡拷锟絵锟斤拷锟絕注锟斤拷知锟絉(sh锟斤拷)锟侥岋拷(sh锟斤拷)锟紿锟斤拷(y锟斤拷ng)锟斤拷锟斤拷同锟絩(sh锟斤拷)要锟斤拷锟杰夛拷锟矫滐拷(zh锟斤拷n)锟絖锟侥伙拷锟絎(xu锟斤拷)锟絑(y锟斤拷)锟皆斤拷锟斤拷锟斤拷锟斤拷械幕锟斤拷W(xu锟斤拷)锟斤拷锟絵锟斤拷

锟斤拷锟斤拷3锟斤拷锟接忥拷(qi锟斤拷ng)锟斤拷锟斤拷(x锟斤拷)锟斤拷锟截癸拷知锟斤拷锟斤拷锟斤拷呓锟斤拷}锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷(x锟斤拷)锟侥凤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟饺匡拷锟皆岋拷锟斤拷锟絕(gu锟斤拷)锟斤拷锟斤拷(x锟斤拷)锟絵锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟絰锟斤拷锟斤拷锟揭伙拷锟斤拷锟�锟斤拷锟斤拷锟揭�锟絰锟斤拷一锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟組(j锟斤拷n)展锟斤拷锟絰锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷(x锟斤拷)锟絵锟斤拷锟斤拷要锟斤拷一锟絵锟斤拷(du锟斤拷)一锟絵锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷一锟斤拷(ji锟斤拷)锟斤拷一锟斤拷元锟斤拷锟斤拷锟劫岋拷(du锟斤拷)锟斤拷锟斤拷锟絲锟介對(du锟斤拷)锟絜(cu锟斤拷)锟斤拷锟斤拷锟斤拷訂锟斤拷锟斤拷锟斤拷锟叫诧拷锟斤拷之處锟斤拷(y锟斤拷ng)通锟絕(gu锟斤拷)一锟斤拷锟侥凤拷式锟斤拷同锟絎(xu锟斤拷)锟斤拷锟较庯拷請(q锟斤拷ng)锟教★拷還锟斤拷锟皆把斤拷锟斤拷锟斤拷氐母呖锟斤拷锟斤拷W(xu锟斤拷)試锟絵锟斤拷锟介練锟斤拷(x锟斤拷)锟斤拷锟絲锟統(c锟斤拷)一锟斤拷锟皆硷拷目前锟侥伙拷锟絎(xu锟斤拷)水平锟斤拷锟斤拷锟斤拷(x锟斤拷)锟絩(sh锟斤拷)要注锟斤拷锟斤拷锟斤拷锟斤拷}锟斤拷思路锟酵凤拷锟斤拷锟斤拷锟斤拷針岋拷(du锟斤拷)锟斤拷锟絴(zh锟斤拷)锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟叫碉拷“位锟斤拷锟斤拷(g锟斤拷u)锟斤拷锟斤拷”锟斤拷锟斤拷锟絞锟斤拷锟絇(gu锟斤拷n)系锟斤拷锟斤拷效平锟斤拷膽锟�(y锟斤拷ng)锟斤拷锟斤拷锟絰锟接癸拷锟斤拷臈l锟斤拷锟斤拷锟斤拷锟截恒法锟斤拷計(j锟斤拷)锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟斤拷锟斤拷要锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟皆檢锟介對(du锟斤拷)知锟絉(sh锟斤拷)锟侥帮拷锟秸程讹拷锟斤拷锟斤拷锟絖闊斤拷锟絵思路锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷盲锟絚(di锟斤拷n)锟斤拷锟叫岋拷(sh锟斤拷)锟斤拷锟矫糾锟絜(cu锟斤拷)锟斤拷

锟斤拷锟斤拷锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)要突锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟竭筹拷盲锟絚(di锟斤拷n)锟斤拷锟接忥拷(qi锟斤拷ng)锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷母呖锟斤拷锟斤拷W(xu锟斤拷)試锟絵锟斤拷锟斤拷锟絚(di锟斤拷n)锟戒實(sh锟斤拷)锟斤拷锟角匡拷锟斤拷锟絖锟斤拷锟絰锟斤拷锟斤拷要知锟絉(sh锟斤拷)锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷盲锟絚(di锟斤拷n)锟斤拷要锟竭筹拷“越锟斤拷锟紸(ch锟斤拷)锟侥東锟斤拷越锟阶筹拷锟絜(cu锟斤拷)”锟侥癸拷圈锟斤拷锟斤拷锟斤拷思锟斤拷锟斤拷要锟斤拷锟皆高讹拷锟斤拷視锟斤拷锟斤拷還要锟斤拷(du锟斤拷)锟斤拷锟絀(y锟斤拷)锟斤拷锟斤拷試锟叫筹拷锟紽(xi锟斤拷n)锟侥诧拷锟絜(cu锟斤拷)锟斤拷锟斤拷锟絩(sh锟斤拷)锟斤拷思锟斤拷锟斤拷锟絩(sh锟斤拷)锟絤锟斤拷锟斤拷锟斤拷(du锟斤拷)“锟铰癸拷锟阶發(f锟斤拷)锟截庯拷”锟斤拷锟斤拷锟絉(sh锟斤拷)锟截硷拷锟皆忥拷(qi锟斤拷ng)锟斤拷訓(x锟斤拷n)锟斤拷锟斤拷每一锟轿撅拷锟斤拷(x锟斤拷)锟斤拷試锟斤拷要锟斤拷(du锟斤拷)锟斤拷锟絜(cu锟斤拷)锟斤拷锟斤拷詳锟組锟侥凤拷锟斤拷锟斤拷锟揭筹拷锟絜(cu锟斤拷)锟絗原锟斤拷锟斤拷

锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷锟絎(xu锟斤拷)锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號(h锟斤拷o)