Challenge Yourself B-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第四册（重庆大学版）

高中选择性必修第四册重庆大学版 【寒假专版】 ，E版词汇变形及词缀精讲 寒假专版 Challenge Yourself B】 词汇变形及词缀精讲 全部单元单词 shrink /fruk/v.n.收缩；缩小：稳固（性） covering/'"KAvarT四/h./adj.遮盖 退缩：萎缩 rrey/reali//adv.很少；难得：物：覆盖物；覆盖的 flatten /'flaetn/v. 使变平：弄罕见地 sphere/sfia(r)/n.球；球体；领 平：（使）倒伏 solid/'splid/adj.n.固体的：坚域：范围 stable/'sterbl/adj.m.稳定的；稳固的；固体：立方体 biosphere/baiausfia()r/m.生物 固的：马厩 envelope/'envalaup/m.信封；封圈 stability/sta'bilati/n.稳定（性）：皮；外壳 词汇变形及词缀精讲 1.stable/'sterbl/adj.稳定的：稳固的：n.马厩 词汇变形 名词形式：stability/sta'bilati/(稳定；稳固性) 构词解析 后缀ty:加在形容词后构成名词，表性质、状态”。 The economy needs long-term stable growth to improve people's lives 真题链接（重庆大学版高中选择性必修第四册同步练习）：The government is taking measures to ensure the (stable)of prices.(答案：stability) 2.solid/sDlid/adj..固体的：坚固的：n.固体：立方体 词汇变形 副词形式：solidly/'splidli/(坚固地；团结一致地) 构词解析 后缀y:加在形容词后构成副词。 同类词：rapidly(快速地)、quietly(安静地) 例句：The team worked solidly together to complete the project on time. 真题链接（重庆大学版高中选择性必修第四册教材例句）：Ice is water in solid form 3.envelope/'envalaup/m.信封；封皮；外壳 构词解析 1 高中选择性必修第四册重庆大学版 【寒假专版】 ,E版词汇变形及词缀精讲 前缀en-:表”进入、使”；词根velop(=wra即，包裹)：后缀-e表名词。 同类词：enclose(围住：附上)、encourage(鼓励) 例句：She sealed the letter in an envelope and put a stamp on it. 真题链接（重庆大学版高中选择性必修第四册同步练习）：Please write the address clearly on the (envelope)before mailing.(答案：envelope) 4.covering/kAvar四/h.遮盖物；覆盖物；adj.覆盖的 词汇变形 动词形式：cover'kAVa(r)/(覆盖；涉及：报道) 构词解析 后缀-ig:加在动词后构成名词（表”行为或结果”）或形容词（表”正在进行的”)。 The mountain is always covered with snow,and its covering never melts in summer 真题链接（重庆大学版高中选择性必修第四册教材例句)：The covering of the desert is mostly sand, 5.sphere/sfia(r)/h.球；球体：领域：范围 词汇变形 衍生词：biosphere/'baiausfia((r)/（生物圈) 构词解析 前缀bio-:表”生命”；sphere(球；领域)，组合指生命活动的范围。 The biosphere includes all living things on Earth and their environments. 真题链接（重庆大学版高中选择性必修第四册同步练习）：The_(sphere)of science andtechnology is developing rapidly..(答案：sphere) 6.shrink/小rk/w.收缩；缩小；退缩；菱缩 词汇变形 过去式/过去分词：shrank/shrunk;现在分词：shrinking 构词解析 无明显前后缀，不规则动词变形需特殊记忆。 例句：Washing wool in hot water will make it shrink 真题链接（重庆大学版高中选择性必修第四册同步练习）：The company's profits have」 (shrink) by20%this year.(答案：shrunk) 7.flatten/'flaetn/w.使变平；弄平：（使）倒伏 词汇变形 形容词形式：f1 at /flaet/(平的：扁平的) 构词解析 后缀-e:加在形容词后构成动词，表”使…化”。 同类词：widen(加宽)、shorten(缩短) 例句：Heavy rain flattened the crops in the field, 真题链接（重庆大学版高中选择性必修第四册教材例句)：The workers used a roller to flatten the road surface. 2 高中选择性必修第四册重庆大学版 【寒假专版】E版词汇变形及词缀精讲 8.rarely /'reoli/adv.很少；难得；罕见地 词汇变形 形容词形式：rare /rea)/(稀有的：罕见的) 构词解析 后缀y:加在形容词后构成副词。 例句：She rarely goes out alone at night for safety reasons.. 真题链接（重庆大学版高中选择性必修第四册同步练习)：This kind of plant is(rare)seen in this area..（答案：rarely) 综合训练 一、 根据句意及汉语提示完成单词 6.The government's new policy aims to ensure the (稳定)of the housing market. 7.Awhite (信封)with a red stamp lay on the desk 8.The Earth’s (生物圈)is facing serious environmental challenges. 9.The mountain is covered with a thick (覆盖物)of snow in winter. 10.The (model helps students understand the structure of atoms. 二、用所给单词的适当形式填空 6.The team worked (solid)to win the championship 7.Prices have been (stable)for the past six months. 8.This animal is (rare)seen in the wild. 9.The company' s market share has (shrink)due to competition. 10.Workers used heavy machines to (flat)the construction site. 三、完成句子 5.The economy requires long-term (stable)to support development. 6.Please write the return address on the (envelope)before posting. 7.Melting ice will change from (solid)to liquid. 8.The desert's (cover)is mainly made of sand. 高中选择性必修第四册重庆大学版 【寒假专版】E版词汇变形及词缀精讲 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。 The environment needs our protection to maintain the (stable)of the biosphere.Arecent study shows that some species'habitats have(shrink)by 30%.We should (rare)use plastic bags,as they harm the Earth's(cover).Scientists are working to (flat)the negative impact of human activities.Remember,every small action helps protect our (sphere)of life. 参考答案 I.根据句意及汉语提示完成单词 6.stability 7.envelope 8.biosphere 9.covering 10.sphere Ⅱ.用所给单词的适当形式填空 6.solidly 7.stable 8.rarely 9.shrunk 10.flatten L.完成句子 5.stability 6.envelope 7.solid 8.covering V.语篇填空 1.stability 2.shrunk 3.rarely 4.covering 5.flatten 6.sphere