Unit 3 Choices一-2025-2026学年高中英语词汇变形及词缀精讲必修第一册（沪教版）

高中必修第一册沪教版 【词汇精讲】 Unit 3 Choices- 词汇精讲 【Unit3】Choices 词汇变形及词缀精讲 全部单元单词 convenience /kan'vi:nians/n. 途的)场所：设施：设备 determine/dr't3mn/v.查明：测 便；便利 plastic'plaestrk/n.塑料adj.塑定；准确算出 label/'lebl/n.标签 料制的：塑料的 stress/stres/n.压力；精神压力： global/glaubl/adj.全球的；全container/kan'tema()r/n.容器 心理负担；紧张 世界的 greenhouse/'gri:nhaus//n.温室 cattle/'ketl/n.牛 snack/snaek/n.点心；小吃；快energy-.efficient /'enad3i ififnt/frozen/'frauzn/adj.冷冻的：冷 餐 ad.节能的 藏的 packaging/'pekd3四/n.包装材amount/e'maunt/n.数量；数额link/Imk/v.连接 料 gas/ges/n.气体 teenager /'ti:neid3(r)/n.(13 recycle/i:'sakl/v.回收利用 impact/mpaekt//n.巨大影响；I9岁之间的)青少年 facility /fa'srlati/n.(供特定用 强大作用 词汇变形及词缀精讲 1.convenience/kn'vi:nians/n.方便；便利 词汇变形 形容词形式：convenient 构词解析 后缀-ence:构成名词，表“性质、状态”；对应的形容词后缀为-ient。 同类词：difference(n.差异)→different(adj.不同的) 例句：Online shopping brings great convenience to our daily life. 真题链接（沪教版高中必修第一册同步练习）：It is very (convenience)to pay by mobile phone in most shops now.(答案：convenient) 2.global/'glaubl/adj.全球的：全世界的 词汇变形 名词形式：globe 副词形式：globally 构词解析 后缀-l:加在名词后构成形容词，表“与…有关的”；-y构成副词。 1 高中必修第一册沪教版 【词汇精讲】 Unit 3 Choices- 同类词：nature(n.自然)→natural(adj.自然的) 例句：Global warming has become a serious problem for all countries. 真题链接（沪教版高中必修第一册教材例句）：The company has made a (globe)name for itself in the tech industry.(答案：global) 3.recycle/,ri:'sakv.回收利用 词汇变形 名词形式：recycling 形容词形式：recyclable 构词解析 前缀re-:表“再次、重复”；词根cycle(循环)：-ing构成名词：-able构成形容词，表“可…的”。 例句：We should recycle plastic bottles to reduce pollution 真题链接（沪教版高中必修第一册同步练习）：These papers are(recycle)),so please put them in the blue bin.(答案：recyclable) 4.facility/fa'silati/n.场所：设施 词汇变形 复数形式：facilities 构词解析 后缀-ity:构成名词，表“性质、状态或具备某种能力”；facile(ad.易做到的)→facility。 同类词：ability(n.能力)←-able(adj.有能力的) The school has excellent sports facilities,including a swimming pool 真题链接（沪教版高中必修第一册同步练习）：The new airport offers various (facility)for passengers,such as free Wi-Fi and rest areas..(答案：facilities) 5.plastic/'plaestrk/n.塑料adj.塑料制的 词汇变形 名词形式：plastics(塑料学；塑料制品，复数) 构词解析 后缀c:构成形容词或名词，此处作形容词“塑料的”和名词“塑料”。 例句：Too much plastic waste is harmful to marine life. 真题链接（沪教版高中必修第一册教材例句）：We need to cut down on the use of(plastic)bags to protect the environment..(答案：plastic) 6.determine/d't3mm/v.查明；测定 词汇变形 名词形式：determination 形容词形式：determined 构词解析 前缀de-:表“完全”；词根termin(界限)；-e构成动词；-ation构成名词；-ed构成形容词。 固定搭配：be determined to do sth(决心做某事) 例句：Scientists are trying to determine the cause of the disease. 高中必修第一册沪教版 【词汇精讲】 Unit 3 Choices 真题链接（沪教版高中必修第一册同步练习）：Her (determine)to succeed helped her overcome many difficulties..(答案：determination) 7.stress/stres/n.压力v.强调 词汇变形 形容词形式：stressful(压力大的)：stressed(感到有压力的) 构词解析 动词和名词同形：fl表“充满…的”（修饰事物）：-d表“感到…的”（修饰人)。 例句：Exams can cause a lot of stress for students. 真题链接（沪教版高中必修第一册同步练习)：t’s (stress)to work under tight deadlines. 案：stressful) 8.frozen/'freuzn/adj.冷冻的 词汇变形 动词原形：freeze 现在分词：freezing 名词形式：freezer(冰箱冷冻室) 构词解析 过去分词作形容词：freeze(v.结冰)→froze(过去式)→frozen(过去分词)：-ing表“令人感到 …的”（如freezing cold极冷的）。 例句：Frozen food is convenient but less nutritious than fresh food. 真题链接（沪教版高中必修第一册同步练习）：The lake is(freeze)in winter,so we can skate on it.(答案：frozen) 9.link1k/v.连接n.联系 词汇变形 名词形式：linkage 形容词形式：linked 构词解析 动词和名词同形：age构成名词（表“连接物”）：-ed构成形容词（表“有联系的”）。 固定搭配：lik.to…（把…和…连接起来) 例句：The study links air pollution to an increased risk of lung disease. 真题链接（沪教版高中必修第一册教材例句）：There is a strong (link)between smoking and heart disease.(答案：link) l0.teenager/'ti:neId3a(r)/n.青少年 词汇变形 名词复数：teenagers 形容词形式：teenage(十儿岁的) 构词解析 词根teen(十几)+age(年龄)+-er(表“人”)：teenage=teen+age,作形容词。 例句：Many teenagers enjoy playing video games in their free time,. 3 高中必修第一册沪教版 【词汇精讲】 Unit 3 Choices 真题链接（沪教版高中必修第一册同步练习）： (teenager)problems are often related to peer pressure and identity..(答案：Teenage) 综合训练 一、 根据句意及汉语提示完成单词 6.Online shopping has brought great (便利)to people's lives. 7.The company aims to expand its (全球的)market share in the next five years. 8.We should promote the (▣收利用)of waste materials to protect the environment. 9.The new community has excellent public (设施)，such as a library and a gym 10.Overuse of_ (products has caused serious environmental problems. 二、用所给单词的适当形式填空 6.Itis (convenience)to order food online with a smartphone. 7.The (globe)economy is facing new challenges due to technological changes. 8.These bottles are」 _(recycle),so please separate them from other trash 9.The hotel provides various (facility)for guests,including a spa and a swimming pool. 10.Her (determine)to win the competition inspired everyone around her. 11.Working in a busy hospital can be very(stress)for nurses. 12.The (freeze)fish in the fridge can be cooked for dinner tonight 三、完成句子（每空一词） 1.科学家们正在努力查明这种疾病的原因。 Scientists are trying to the cause of the disease 2.压力过大会对身心健康产生负面影响。 Too much can have a negative effect on physical and mental health 3.研究表明吸烟与多种疾病有关联。 Research shows that smoking is. to many diseases. 4.青少年应该学会如何应对学习压力。 should learn how to deal with study pressure. 4 高中必修第一册沪教版 【词汇精讲】 Unit 3 Choices 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。 Nowadays,people are more aware of environmental protection.For example,many supermarkets encourage customers to use cloth bags instead of(plastic)ones.This helps reduce waste and supports the(recycle)of materials. At the same time,(globe)warming has become a hot topic.Governments and organizations are taking action to cut carbon emissions.For instance,some cities have improved public transport (facility)to encourage people to use cars less,which is(convenience)and eco-friendly. Individuals can also contribute.For example,we can choose (freeze)food less and eat more fresh produce,or(link)daily habits to environmental protection,like turning off lights when leaving a room.Small actions,when combined,can make a big difference. 参考答案 I根据句意及汉语提示完成单词 6.convenience 7.global 8.recycling 9.facilities 10.plastic Ⅱ.用所给单词的适当形式填空 6.convenient 7.global 8.recyclable 9.facilities 10.determination 11.stressful 12. frozen II.完成句子 1.determine 2.stress 3.linked 4.Teenagers V.语篇填空 1.plastic 2.recycling 3.global 4.facilities 5.convenient 6.frozen 7.link 5