Unit 3 Progress 一-2025-2026学年高中英语词汇变形及词缀精讲必修第二册（沪教版）

高中必修第二册沪教版 【寒假专版】 ，E版词汇变形及词缀精讲 寒假专版 【Unit3 Progress?一】 词汇变形及词缀精讲 全部单元单词 climate/'klarmat/n.气候 figure'figa(r)/n.(代表数量admit/ad'mt/v.(勉强)承认 billion/'biljan/n.十亿 的)数字 somehow/'sAmhau/adv.不知为 alarming/ala:mm/ad.使人惊significantly/sIg'nrfikentli/adv.什么；以某种方式 恐的；令人惊慌的 有重大意义地：显著地 measure/'me3a(r/n.措施；方 rate /reit/n.速度；进度 unfamiliar /Anfs'milia(r)/adj. predict /pri'dkt/v.预言：预告：陌生的：不熟悉的 absolutely/'ebsalu:tli/adv.绝对 预报 youth /ju:/n.(统称)青年；青地：完全地 chain /tfem/n.一系列（人/事）：年时期（成年前） contrast/'kpntr a:st/V.对比：对 链子；锁链 threaten/'retn/v.危及；对…照 hunt /hAnt//v.打猎：猎捕 构成威胁 agriculture/'egrIkAlt∫3(t)/n.农extinction/ik'stkn/n.灭绝； 业：农学 绝种 词汇变形及词缀精讲 1.alarming/la:m四/adj.使人惊恐的：令人惊慌的 词汇变形 动词形式：alam(使惊恐；警报) 构词解析 后缀-ig:加在动词后构成形容词，表“令人…的”。 同类词：surprising(令人惊讶的)、exciting(令人兴奋的) 例句：The alarming news about climate change made people worried. 真题链接（沪教版高中必修第二册同步练习）：The(alam)rate of species extinction has drawn global attention..（答案：alarming) 2.agriculture/'aegrikAlt∫a(r)/n.农业；农学 词汇变形 形容词形式：agricultural(农业的) 构词解析 前缀agi-:表“农业”（源自拉丁语“ager”，,意为“田地”）：后缀-culture:表“培养；文化”；-al: 高中必修第二册沪教版 【寒假专版】 E版词汇变形及词缀精讲 构成形容词。 Agriculture plays an important role in the development of this country. 真题链接（沪教版高中必修第二册教材例句）：Modern technology has greatly improved agricultural production. 3.predict /pri'dkt/v.预言：预告：预报 词汇变形 名词形式：prediction(预言：预测) 形容词形式：predictable(可预测的) 构词解析 前缀pre-:表“预先”；词根dict:表“说”（如dictate“口述”）；后缀-ion:构成名词；-able:表 “可…的”。 Scientists predict that the temperature will rise by 2C in the next 50 years. 真题链接（沪教版高中必修第二册同步练习）：The weather report made a_(predict)ofheavyrain tomorrow.(答案：prediction) 4.extinction/k'stkn/n.灭绝：绝种 词汇变形 动词形式：extinguish(熄灭；使灭绝) 形容词形式：extinct(已灭绝的) 构词解析 前缀ex-:表“完全”；词根stinct:表“刺：刺激”（如sting“刺”）：后缀-ion:构成名词；-ct:构 成形容词。 例句：The extinction of dinosaurs happened millions of years ago. 真题链接（沪教版高中必修第二册教材例句）：Many species are in danger of extinction due to human activities 5.threaten/'retn/v.危及；对…构成威胁 词汇变形 名词形式：threat(威胁) 形容词形式：threatening(威胁性的) 构词解析 后缀-n:加在名词后构成动词，表“使…”；-ing:构成形容词。 例句：Pollution threatens the survival of many marine animals. 真题链接（沪教版高中必修第二册同步练习）：The dark clouds and strong winds are (threaten) signs of a storm.(答案：threatening) 6.measure/me3a(r)/n.措施：方法：v.测量 词汇变形 名词形式（测量单位）：measurement(测量：尺寸) 形容词形式：measurable(可测量的) 构词解析 2 高中必修第二册沪教版 【寒假专版】 E版词汇变形及词缀精讲 后缀met:构成名词，表“行为或结果”；-ble:表“可…的”。 The government has taken effective measures to protect the environment. 真题链接（沪教版高中必修第二册同步练习）：We need to take (measure)to reduce air pollution immediately.(答案：measures) 7.admit/ad'mt/v.(勉强)承认 词汇变形 名词形式：admission(承认；入场费) 形容词形式：admissible(可采纳的) 构词解析 前缀ad-:表“向；加”：词根mit:表“送：派”（如mission“使命”）；后缀-sion:构成名词；-ible 表“可…的”。 例句：He finally admitted that he had made a mistake. 真题链接（沪教版高中必修第二册同步练习）：Hs (admit)of guilt surprised everyone in the room.（答案：admission) 8.contrast/'kpntra::st/V.对比；对照；n.对比 词汇变形 形容词形式：contrastive(对比的) 构词解析 前缀contra-:表“相反；对比”（如contradiction“矛盾”)：后缀-ive:构成形容词。 例句：e can contrast the two theories to see which is more reasonable.. 真题链接（沪教版高中必修第二册教材例句）：in contrast to his brother,.he is much more outgoing 9.significantly/sg'nrfikantli/adv.有重大意义地：显著地 词汇变形 形容词形式：significant(重要的：显著的) 名词形式：significance(意义；重要性) 构词解析 前缀sig-:表“标记”（如signal“信号”)：后缀-ant:构成形容词：-ce:构成名词；-y:构成副词。 The number of students joining the club has increased significantly. 真题链接（沪教版高中必修第二册同步练习）：This new policy will have a」 (significance)impact on the local economy.(答案：significant) l0.unfamiliar/,nfa'milia(r)/adj.陌生的：不熟悉的 词汇变形 反义词：familiar(熟悉的) 名词形式：familiarity(熟悉；通晓) 构词解析 前缀un-:表“否定”；后缀-ar:构成形容词(familiar):-ity:构成名词。 例句：She felt nervous in the unfamiliar environment 真题链接（沪教版高中必修第二册同步练习）：I'm (familiar)with this area,so I need a map to 高中必修第二册沪教版 【寒假专版】E版词汇变形及词缀精讲 find the way..（答案：unfamiliar) 11.youth /ju:0/n.(统称)青年：青年时期 词汇变形 形容词形式：young(年轻的) 副词形式：youngly（年轻地；无经验地) 构词解析 词根you:表“年轻”；-h:构成名词，表“状态或性质”；-g:构成形容词。 例句：The youth of today are more concerned about environmental issues, 真题链接（沪教版高中必修第二册教材例句)：During his youth,he traveled to many countries to gain experience 12.figure/fige(r)/n.(代表数量的)数字；v.认为；计算 词汇变形 形容词形式：figurative(比喻的；象征的) 构词解析 后缀-ative:构成形容词，表“有…性质的”。 The figure shows a sharp increase in temperature over the past decade. 真题链接（沪教版高中必修第二册同步练习）：According to the latest(figure),the population of the city has reached 10 million.(答案：figures) 综合训练 一、 根据句意及汉语提示完成单词 1.The government has taken effective (措施)to protect endangered species. 2.Climate change poses a serious (威胁)to global food security. 3.The doctor gave a (预测)about the patient's recovery time 4.Modern technology has greatly improved__(农业的)production. 5.The (of pandas would be a great loss to the world. 6.She felt nervous in the (陌生的)city where she knew no one, 二、用所给单词的适当形式填空 1.The (alarm)increase in carbon dioxide levels has worried scientists. 2.We need to take immediate (measure)to reduce plastic pollution. 高中必修第二册沪教版 【寒假专版】 E版词汇变形及词缀精讲 3.The weather report made a (predict)of snowfall next week. 4.His (admit)of lying surprised everyone in the room. 5.The (extinct)of dinosaurs happened millions of years ago. 6.The dark clouds are (threaten)signs of an approaching storm. 7.The number of tourists has increased (significant)this year. 三、完成句子（每空一词) 1.科学家预测未来50年温度将上升2摄氏度。 Scientists that the temperature by 2C in the next 50 years. 2.许多物种因人类活动而面临灭绝的危险。 Many species are extinction due to human activities. 3.政府已采取有效措施保护环境。 The government effective to protect the environment. 4.这个地区的年轻一代更关注环保问题。 The of this area are more concerned about environmental issues. 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。 Climate change is one of the most(alarm)challenges today.It (threaten)ecosystems and human survival.Scientists_ (predict)that global temperatures will rise (significant) if no action is taken.To address this,governments must take (measure)like reducing carbon emissions.For example,improving(agriculture)practices can help cut down greenhouse gases.Additionally,protecting forests is key to preventing species (extinct).Everyone can contribute by making small changes in daily life,such as using public transport.Together,we can make a (difference)and secure a better future. 参考答案 I.根据句意及汉语提示完成单词 1.measures 2.threat 3.prediction 4.agricultural 5.extinction 6.unfamiliar 高中必修第二册沪教版 【寒假专版】E版词汇变形及词缀精讲 Ⅱ.用所给单词的适当形式填空 1.alarming 2.measures 3.prediction 4.admission 5.extinction 6.threatening 7 significantly I.完成句子 1.predict;will rise 2.in danger of 3.has taken;measures 4.youth V.语篇填空 1.alarming 2.threatens 3.predict 4.significantly 5.measures 6.agricultural extinction 8.difference 6