1. [詞根辨識]分別記憶以下兩個單詞，并將所需時間作一比較。
① antivivisectionist [共18個字母] n.反對活體解剖主義者
② mesembrianthemum [共16個字母] n.松葉菊屬植物
2. [詞根辨異] viva是意大利語“萬歲”，vive是法語“萬歲”。聯(lián)系英語的long live（萬歲），指出三者的共同點。
3. [詞海垂釣]
con-(com-)
4. [望文生義]根據所學詞根的知識推測下列單詞的詞義。
① vivify v.
vivification n.
② reviviscence n.
reviviscent a.
5. [尋根問底]指出下列單詞的詞根并領會其詞義的由來。
① vivisect v.作活體解剖
vivisection n.活體解剖；動物解剖實驗
② vivarium a.動物園；植物園
③ vitaglass n.維他玻璃
④ avitaminosis n.維生素缺乏癥（提示：a-=not）
⑤ devitalize v.使失去生命力；使傷元氣
⑥ devitaminize v.使（食物）失去維生素
⑦ viva n.口試；口頭測驗
⑧ vivers n.糧食；食物
99. voc, vok [L]=to call；voice叫喊；聲音
詞根voc來自拉丁動詞vocare（意為to call“叫喊”）或者同根拉丁名詞vox的屬格形式vocis（意為voice“聲音”）。vok是voc的同音異體。其實，voice就是voc的派生詞，它是從法語引進英語的。
advocate [ad-=to對；voc=to call叫喊；-ate n.=person人→“person who calls to another's aid對他人呼喊助威者”→]Ⅰn. person whopleads in favor of another;defender辯護者；擁護者：a warm advocate of a new theory一種新理論的熱烈擁護者→Ⅱv. speak in favor of;recommend擁護；提倡：to advocate free speech提倡言論自由
▽advocator [advocat(e);-or n.] n.提倡者；擁護者
advocacy [ad-;voc;-acy n.] n.辯護；擁護；提倡
provoke [pro-=forth向前；vok=to call呼喊；-e→] v.① call forth, or arouse喚起；引起：His slip of tongue provoked shouts of laughter.他一時失言引起哄堂大笑。② call out, or challenge, or stimulate對……挑釁；煽動；刺激：The waiter's insult provoked me to anger.侍者的侮辱激怒了我。
▽provocation [pro-;voc;-ation n.] n.惹起；激怒；挑釁
provocative [pro-;voc;-ative a.] a.激怒的；挑釁的
vocal [voc=voice聲音；-al a.=pertaining to……的→] a.① pertaining to voice, speaking, etc. 聲音的；發(fā)音的：vocal organs 發(fā)音器官② expressing oneself freely in words暢所欲言的：vocal critic暢言無忌的批判家
▽vocalic [vocal;-ic a.] a. [語音學]元音的；與元音有關的
vocalist [vocal;-ist n.] n.歌唱家；聲樂家
vocalize [vocal;-ize v.] v.發(fā)音；說；唱
vocation [voc=to call喊；-ation n.=the state or result表狀態(tài)或結果→“the state or result of being called by God, one's interest, etc.為上帝、個人興趣等所呼喚或感召的狀態(tài)或結果”→] n.① job which one feels he is chosen to do certainly天職；使命：I feel no vocation for teaching.我覺得我天生就不是教書的。② one's main job;regular occupation職業(yè)；行業(yè)：She chose music as her vocation.她選擇音樂為職業(yè)。
▽vocational [vocation;-al a.] a.職業(yè)的；業(yè)務的
avocation [a-(ab-)=away離開；voc=to call召喚；-ation n. 表行為結果→“calling one away from his regular employment使人離開其主業(yè)的召喚”→] n. hobby or diversion;secondary job業(yè)余愛好；副業(yè)：My uncle's vocation is medicine, his avocation is music.我叔叔的職業(yè)是醫(yī)生，業(yè)余愛好是音樂。
evoke [e-(ex-)=out出；vok=to call呼喚；-e→] v.① call out, or summon forth呼喚出；召出：The photo evoked his memories of the past.那張照片喚起他對過去的回憶。② call out, or produce (a reaction)引起（反應）：His words evoked great indignation.他的話引起強烈的憤慨。
▽evocation [e-;voc;-ation n.] n.引起；喚起
evocative [e-;voc;-ative a.] a.喚起……的；引起……的
invoke [in-=upon于……之上；vok=to call呼喚；-e→] v.① call upon (as for aid, protection, etc.)要求（幫助）；祈求（保佑）：to invoke God's blessing祈求上帝賜福 ② appeal to (a law or help)訴諸；援引（法規(guī)）：The lawyer invoked an amendment.律師援引了一項修正案條文。
▽invocation [in-;voc;-ation n.] n.祈禱；援引
invocatory [in-;voc;-atory a.] a.祈禱的；求神的
revoke [re-=back回；vok =to call召喚；-e→“to call back a messenger把信使召喚回來”→] v. concel;withdraw (a decree, permission, etc.)撤回；廢除；取消（法律、允諾等）：The committee revoked a decision.委員會取消了一項決議案。
▽revocation [re-;voc;-ation n.] n.撤回；取消；廢除
revocatory [re-;voc;-atory a.] a.廢除的；撤銷的
vocable [voc=voice聲音；-a-;-ble n.=thing物→“that which stands for voice or sound in a language在一種語言中表示聲音的東西”→] n. word in form and sound than in meaning（作為音與形單位不作為意義單位的）詞；語
vocabulary [vocabul (= vocable) = word 詞，語；-ary n. = thing 物→“whole body of words詞語的整體”→] n. words used in a language or by a person, etc.一種語言的詞匯；（一個人等的）詞匯量：You should improve your vocabulary.你要擴大詞匯量。
