Challenge Yourself B-2025-2026学年高中英语词汇真题精讲选择性必修第四册（重庆大学版）

高中重庆大学版 【挑战自我】 B版词汇真题精讲 挑战自我 【Challenge Yourself B】 词汇积累与运用 本单元核心词汇 shrink /frmk/v.n.收缩：缩小：稳固（性） covering/'KAVarI/n./adj.遮盖 退缩：萎缩 rrey/reali/adv.很少；难得：物：覆盖物；覆盖的 flatten/flet/v.使变平；弄罕见地 sphere/sfia)/n.球；球体；领 平：（使）倒伏 solid/'splid/adj.n.固体的；坚域：范围 stable/'sterbl/ad.n.稳定的：稳固的：固体：立方体 biosphere/'barausfia(r)/n.生物 固的：马厩 envelope/'envalaup/n.信封；封圈 stability/sta'brlati/n.稳定（性）；皮；外壳 直击真题高效讲 真题解析 1.真题1 Water can turn into a when the temperature drops below 0.C. A.solid B.liquid C.gas 答案：A 核心词汇：solid'splid/adj./n.固体的：坚固的：固体；立方体 核心知识点： 词性：形容词/名词，反义词liquid(液体)、gas(气体)。 搭配：solid state(固态)；a solid object(固体物体)。 2.真题2 The old house has a structure,so it can stand for another 50 years A.stable B.weak C.new 答案：A 高中重庆大学版 【挑战自我】 B版词汇真题精讲 核心词汇：stable/'sterbl/adj.m.稳定的：稳固的：马厩 核心知识点： 词性：形容词/名词，名词形式stability。 搭配：stable structure(稳固的结构)：stable government(稳定的政府)。 3.真题3 The of the economy is important for people's living standards. A.stability B.change C.problem 答案：A 核心词汇：stability/sta'rlati/n.稳定（性）；稳固（性） 核心知识点： 词性：不可数名词，形容词形式stable。 搭配：economic stability(经济稳定)：political stability(政治稳定)。 4.真题4 She eats junk food because she wants to keep healthy. A.rarely B.often C.always 答案：A 核心词汇：rarely/reali/adv.很少：难得：罕见地 核心知识点： 词性：副词，反义词often。 用法：位于实义动词前，be动词后，如She rarely goes out at night. 5.真题5 Please put the letter into the and then mail it A.envelope B.box C.bag 答案：A 核心词汇：envelope./'envalaup/n.信封；封皮；外壳 核心知识点： 词性：可数名词，复数形式envelopese 搭配：paper envelope(纸质信封)：open an envelope(打开信封)。 6.真题6 The Earth is a that revolves around the Sun 2 高中重庆大学版 【挑战自我】 B版词汇真题精讲 A.sphere B.square C.circle 答案：A 核心词汇：sphere/sfia)/n.球；球体：领域：范围 核心知识点： 词性：可数名词，近义词globe(地球仪)。 搭配：the sphere of influence(影响范围)；a glass sphere(玻璃球)。 7.真题7 The includes all living things and their environment on Earth. A.biosphere B.atmosphere C.hydrosphere 答案：A 核心词汇：biosphere/baiausfia(r)/n.生物圈 核心知识点： 词性：不可数名词，由bio-(生命)+sphere(球)构成。 搭配：protect the biosphere(保护生物圈)：the Earth's biosphere（地球生物圈)。 8.真题8 The heavy rain caused the wheat fields to so the crops were damaged. A.flatten B.grow C.rise 答案：A 核心词汇：flatten/'fetm/v.使变平；弄平；（使）倒伏 核心知识点： 词性：动词，名词形式flattening。 搭配：flatten the ground(平整土地)：trees flattened by the storm(被暴风雨吹倒的树)。 9.真题9 Washing woolen clothes in hot water may make them A.shrink B.expand C.break 答案：A 核心词汇：shrink/四k/v./n.收缩：缩小：退缩；萎缩 核心知识点： 词性：动词/名词，过去式shrank,过去分词shrunk。 3 高中重庆大学版 【挑战自我】 B版词汇真题精讲 搭配：shrink in size(尺寸缩小)：shrink from responsibility(逃避责任)。 10.真题10 The mountain is covered with a of snow all year round. A.covering B.water C.stone 答案：A 核心词汇：covering/'kAvoru)/n./adj.遮盖物；覆盖物：覆盖的 核心知识点： 词性：名词/形容词，动词形式cover。 搭配：a covering of snow(一层雪)；waterproof covering(防水覆盖层)。 真题精准训练 实战演练 一、 单项选择 1.When the temperature is below 0C,water becomes a_ A.solid B.liquid C.gas 2.The old building has a. foundation,so it's safe during earthquakes. A.stable B.weak C.new 3.Economic is necessary for a country's development A.stability B.change C.problem 4.She drinks coffee because she doesn't like the taste. A.rarely B.often C.always 5.You need to write the address on the before mailing the letter. A.envelope 4 高中重庆大学版 【挑战自我】 B版词汇真题精讲 B.box C.bag 6.The moon is a natural that orbits the earth A.sphere B.square C.circle 7.Protecting the is important for the survival of all living things. A.biosphere B.atmosphere C.hydrosphere 8.The strong wind many trees in the park last night. A.flattened B.grew C.rose 二、用所给单词的适当形式填空 1.The (stable)of the bridge ensures it can hold heavy trucks. 2.She」 (rare)misses classes,so she always gets good grades. 3.There are three_ (envelope)on the desk:please stamp them 4.The Earth's (sphere)shape causes day and night cycles. 5.The storm caused the wheat fields to (flatten)completely. 6.Woolen sweaters may (shrink)if washed in hot water. 三、首字母填空 1.Water turns into s when frozen. 2.The economy needs s to avoid sudden changes. 3.Please put the letter into the e and seal it. 4.The Earth is part of the b,which includes all ecosystems. 5.The heavy snow left a thick c on the mountain 5 高中重庆大学版 【挑战自我】 B版词汇真题精讲 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 Earth is a 1. (sphere)planet in the solar system.It has a unique 2. (biosphere) where living things and their environment interact.To protect this,we need to maintain 3 (stable)in nature.For example,when it snows,a thick 4.(covering)of snow may fall on mountains.However,extreme weather can 5.(flatten)crops,affecting food supplies. We should also be careful with daily actions:6. (rare)waste resources,and always put letters in 7. (envelope)before mailing.Remember,small efforts help keep our 8. (biosphere) healthy. 参考答案 单项选择 1.A2.A3.A4.A5.A6.A7.A8.A Ⅱ.用所给单词的适当形式填空 1.stability 2.rarely 3.envelopes 4.spherical 5.flatten 6.shrink I首字母填空 1.solid 2.stability 3.envelope 4.biosphere 5.covering V语篇填空 1.sphere 2.biosphere 3.stability 4.covering 5.flatten 6.rarely 7.envelopes 8」 biosphere 6