Unit 2 Wildlife Protection一-2025-2026学年高中英语词汇变形及词缀精讲必修第二册（人教版）

高中必修二人教 【寒假专版】 Unit2词汇变形及词缀精讲 寒假专版 【Unit2】Vildlife Protection 词汇变形及词缀精讲 全部单元单词 poster/'pausta()/n.海报 rate/rert/n.速度；比率；t.评此：所以 illegal'li:gl/adj.不合法的：非估：评价 measures/me3zln.措施；方 法的 extinct/ik'stkt/adj.灭绝的：绝法 illegally'li:geli/adv.不合法地：种的 take measures采取措施 非法地 extinction /ik'stmkfn/n.灭绝；adapt'dept/vi.适应：t.使 hunt /hAnt/vt.&vi.打猎：搜寻；绝种 适应：使适合 追捕 mass /maes/ad.大量的：大规模adapt to适应 hunter/'hnte(r)/n.猎人 的：n.大量；堆；群 original /a'rId3n/adj.原来的： immediately /I'mi:diatli/ady.i mass extinction大规模灭绝：大起初的：原著的：n.原件：原作 刻 量消亡 originally /a'rid3anali/adv. species/'spi:ji:z/n.物种 habitat/'hbt/n.(动植物的)来；起初 shark /fa:k/n.鲨鱼 栖息地：住处 endure /i'djos(r)/vt.vi. fin /fm/n.(鱼的)鳍 threaten/retn/t.&vi.威胁；受；忍耐；持续 on earth(放在疑问词之后表示 危及 effect/fekt/n.影响：效果；结 强调)究竟：到底 threaten to do sth.威胁要做某果 die out灭亡：逐渐消失 事：有做某事的危险 have an effect on对…有影响 alarming/a'la:m/adj.惊人的：consequence/'konsikwans/n.结incident/'msidant/n.发生的事 使人惊恐的 果：后果 情：严重事件：冲突 alarm月'lam/t.使惊恐；使害as a consequence因此；结果 怕：使担心；n.警报：惊恐 accordingly /'ko:dmli/adv. 词汇变形及词缀精讲 1.illegal'li:gl/adj..不合法的：非法的 词汇变形 副词形式：illegally 反义词：legal(合法的) 构词解析 前缀山-：加在以1开头的形容词前，表否定意义(“不…”)：后缀-y构成副词。 同类词：illogical(不合逻辑的)、illegible(难以辨认的) 高中必修二人教 【寒假专版】 Unit2词汇变形及词缀精讲 例句：It is illegal to hunt rare animals in this area. 真题链接（人教版高中必修二同步练习）：Some people hunt sharks(illegal)for their fins..(答 案：illegally) 2.hunter/'hnta(r)/n.猎人 词汇变形 动词形式：hunt（打猎：搜寻) 构词解析 后缀r:加在动词后，表“做…的人”或“.…的工具”。 同类词：teacher(教师)、worker（工人) 例句：The hunter went into the forest to look for deer. 真题链接（人教版高中必修二教材例句)：Hunters kill sharks for their fins,which has led to a sharp drop in the shark population. 3.extinction/k'stkn/n.灭绝：绝种 词汇变形 形容词形式：extinct(灭绝的；绝种的) 构词解析 前缀ex-:表“完全、彻底”；后缀-ion:构成名词，表“动作或状态”；-ct是词根“熄灭”的变形。 例句：The extinction of dinosaurs happened millions of years ago 真题链接（人教版高中必修二同步练习)：Many species have become (extinction)due to human activities.(答案：extinct) 4.threaten/'Oretn/t.&vi.威胁；危及 词汇变形 名词形式：threat（威胁；恐吓) 构词解析 后缀-n:加在名词后构成动词，表“使…”“变得…”。 同类词：strengthen(加强)、weaken(削弱) 例句：Pollution threatens the survival of many marine species.. 真题链接（人教版高中必修二教材例句）：The loss of habitat threatens to make the species extinct. 5.consequence/'kpnsikwans/n.结果；后果 词汇变形 形容词形式：consequent(随之发生的)；副词形式：consequently(因此；所以) 构词解析 前缀con-:表“共同、一起”；后缀-ence:构成名词，表“性质或状态”。 固定搭配：as a consequence(因此；结果) 例句：His carelessness led to serious consequences. 真题链接（人教版高中必修二同步练习)：She missed the train,.and (consequence)arrived late for the meeting.(答案：consequently) 2 高中必修二人教 【寒假专版】 Unit2词汇变形及词缀精讲 6.measures/me39zn.措施：方法 词汇变形 动词形式：neasure(测量；评估) 构词解析 后缀-s:此处为名词复数形式：动词measure加-s构成第三人称单数，或转化为名词表“措施”。 固定搭配：take measures（采取措施) 例句：The government has taken measures to protect endangered animals. 真题链接（人教版高中必修二教材例句）：It is necessary for us to take measures to reduce environmental pollution. 7.adapt /a'dept/vi.适应；t.使适应；使适合 词汇变形 名词形式：adaptation(适应；改编) 构词解析 前缀ad-:表“朝向、接近”；后缀-ation:构成名词，表“动作或过程”。 固定搭配：adapt to(适应) 例句：Animals need to adapt to changing environments to survive. 真题链接（人教版高中必修二同步练习)：The film is an_(adapt)of a famous novel.(答案： adaptation) 8.original'rId3anl/adj.原来的：起初的；原著的；n.原件；原作 词汇变形 副词形式：originally:名词形式：origin(起源；源头) 构词解析 前缀org-:词根“开始、起源”后缀-a:构成形容词或名词；y构成副词。 例句：The original plan was to go hiking,but we changed our minds. 真题链接（人教版高中必修二同步练习)：This is the_(origin)painting,and the others are copies. (答案：original) 9.effect/'fekt/n.影响：效果；结果 词汇变形 动词形式：affect(影响)：形容词形式：effective(有效的) 构词解析 前缀ef-:表“出、外”；后缀ive:构成形容词，表“具有…性质的”。 固定搭配：have an effect o(对…有影响) 例句：The new policy had a positive effect on the economy. 真题链接（人教版高中必修二同步练习)：Parents'behavior can (effect)children's character greatly..(答案：affect) l0.incident/'nsIdant//n.发生的事情：严重事件：冲突 词汇变形 形容词形式：incidental(附带的；偶然的) 高中必修二人教 【寒假专版】 Unit2词汇变形及词缀精讲 构词解析 前缀in-:表“进入、在…内”；后缀-ent:构成名词或形容词。 例句：The incident caused a heated discussion among the students., 真题链接（人教版高中必修二同步练习)：We should pay attention to even small (incident)in daily life..(答案：incidents) 11.alarm/lam/t.使惊恐；使害怕：使担心；n.警报；惊恐 词汇变形 形容词形式：alarming(惊人的；使人惊恐的) 构词解析 后缀-g:加在动词后构成形容词，表“令人…的”。 例句：The alarm went off when a fire broke out,. 真题链接(（人教版高中必修二教材例句)：The alarming rate of species extinction has drawn global attention. 12.rate /reit/n.速度：比率：t.评估：评价 词汇变形 名词短语：birth rate(出生率)、death rate(死亡率) 构词解析 词根rat-:表“计算、评估”；后缀-e构成动词或名词。 例句：The rate of economic growth has increased this year.. 真题链接（人教版高中必修二同步练习)：Teachers will (rate)students'performance based on their daily work.(答案：rate) 综合训练 一、 根据句意及汉语提示完成单词 1.Hunting rare animals is (非法的)in most countries. 2.The (tracked the deer through the forest for hours. 3.The (灭绝)of this species would破坏the ecosystem balance. 4.Climate change (威胁)the survival of polar bears.. 5.We must face the (后果)of our actions 6.The government has taken (措施)to protect wild animals. 二、用所给单词的适当形式填空 1.Some fishermen catch sharks (illegal)for profit. 4 高中必修二人教 【寒假专版】 Unit2词汇变形及词缀精讲 2.The rapid loss of forests has led to the (extinct)of many species. 3.The new policy will (threat)the interests of small businesses. 4.She forgot her keys and_ (consequence)had to wait outside. 5.The movie is an (adapt)of a classic novel. 6.The (origin)plan was to travel by train,but we changed to a flight. 7.The new law had a significant_ (effect)on environmental protection 三、完成句子（每空一词） 1.这个工厂的污染正在危及附近河流中的鱼类。 The pollution from this factory in the nearby river. 2.我们应该采取措施减少塑料使用。 We should to reduce plastic use. 3.许多动物无法适应气候的快速变化。 Many animals cannot the rapid climate changes. 4.他的粗心驾驶导致了一场严重事故。 His careless driving a serious accident 四、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 Human activities have caused serious problems for wildlife.For example,some people hunt animals (illegal)for their fur or meat.This has led to a sharp increase in the (extinct)rate of many species.The loss of forests also(threaten)animals'habitats. As a (consequent),governments worldwide are taking action.They have passed laws to protect endangered species and set up nature reserves.These measures help animals (adapt) to changing environments. However,the(origin)balance of ecosystems is still at risk.Everyone must understand the (consequence)of destroying nature.Only by working together can we ensure a safe future for all species. 5 高中必修二人教 【寒假专版】 Unit2词汇变形及词缀精讲 参考答案 I根据句意及汉语提示完成单词 1.illegal 2.hunter 3.extinction 4.threatens 5.consequence 6.measures Ⅱ.用所给单词的适当形式填空 1.illegally 2.extinction 3.threaten 4.consequently 5.adaptation 6.original 7. effect L.完成句子 1.threatens the fish 2.take measures 3.adapt to 4.led to V.语篇填空 1.illegally 2.extinction 3.threatens 4.consequence 5.adapt 6.original 7.conse- quences 6