Unit 4The Wonders of Nature单元知识总结及重点易错专项训练2026-2027学年鲁教版（五四学制）英语八年级上册

鲁教版（五四学制 ） 八年级上册 Unit 4 The Wonders of Nature 单元知识总结及重点易错专项训练 ■ ■ ■ ■ ■ ■ ■ 说明：本练习紧扣最新教材精选 10 个重点易错考点，每个考点含基础题×3、提升题×3、拓展题×3，共 90 题。 一、重点单词 类别 核心单词 自然奇观 wonder, waterfall, desert, civilization, development, mile, pond, surface, bottom, depth, measurement, level 海洋水下 submersible, dive, coast, coral, reef, turtle, sand, alive, underwater, snorkel, school (鱼群) 方位描述 below, northern, southern, northeastern, eastern, western, inland 品质状态 unusual, natural, curious, changeable, dangerous, freshwater, lifelong 动作与名词 attract, include, survive, explorer, climber, traveler, description, structure 二、重点短语 类别 重点短语 自然奇观 the wonders of Nature, the highest mountain, the longest river, deep valleys, clear lakes, thick forests 数量面积 square kilometres, cubic metres, total area, the second longest river, one of the greatest wonders 方位位置 be located in/on/off the coast, to the northeast of, at the bottom of, below sea level 探索经历 dive into, explore nature, an amazing experience, reach the top, thin air, steep cliffs 其他搭配 learn about, both...and..., be famous for, millions of tourists, as well as, be interested in 三、重点句型 功能 例句 询问自然 What is amazing about Nature? How high/long/deep is it? 描述奇观 Mount Qomolangma is the highest mountain in the world. The Nile is longer than any other river. 比较评价 The Dead Sea is lower than all other places on earth. It is one of the most amazing wonders I have ever seen. 表达感受 The beauty of Nature makes me feel peaceful. I couldn't believe my eyes when I saw it. 鼓励探索 Why do we explore Nature? Because of human curiosity and ambition. 四、重点语法 语法点 要点 形容词比较级 两者比较用 -er/than 或 more...than；规则：high→higher, deep→deeper, long→longer, amazing→more amazing 形容词最高级 三者及以上用 the -est 或 the most...；常接 in/of 范围；one of the + 最高级 + 复数名词 感叹句 What + (a/an) + adj. + n. + 主谓！How + adj./adv. + 主谓！What a wonderful view! How amazing! 现在完成时 have/has + done，表经历（ever/never/before）；has been to/has gone to 辨析 被动语态 be + done，描述自然奇观被探索、被保护：is located, was discovered, are attracted 大数表达 hundred/thousand/million/billion 前有具体数字不加 s；模糊数量 hundreds of, millions of 方位介词 in (大地点/内部), on (表面/接壤), to (外部不接壤), off (海面外), at (小地点/点) 词性转换 deep→depth, describe→description, develop→development, die→death, natural→nature both...and... 两者都，连接并列主语时谓语用复数：Both Olivia and Bella like exploring nature. the+比较级...,the+比较级 越……越……：The more we explore, the more we learn about Nature. 考点1：形容词/副词比较级构成与 than 连用 【易错点睛】两者比较用比较级。单音节词加 -er（high→higher, deep→deeper, long→longer, tall→taller, fast→faster）；以 e 结尾加 -r（large→larger）；重读闭音节双写加 -er（big→bigger）；辅音+y 变 y 为 i 加 -er（early→earlier）；多音节词加 more（more amazing, more dangerous）。比较级必须加 than，不加 than 时常用 much/a little 修饰。注意：than any other + 单数名词（同范围排除）；than any + 复数（不同范围）。 基础题：（选择题） ◇（　）1. Qomolangma is ______ (high) than any other mountain in the world. A. higher B. high C. highest D. more high ◇（　）2. The Amazon River is much ______ (long) than the Thames. A. longer B. long C. longest D. more long ◇（　）3. Olivia runs ______ (fast) than Bella. A. faster B. fast C. fastest D. more fast 提升题：（选择题） ▶（　）1. Which is WRONG? A. This lake is more deep than that one. B. The Dead Sea is lower than any other place. C. Climbing is more dangerous than hiking. D. Jam is taller than his brother. ▶（　）2. The weather in Xiamen is ______ (changeable) than in Kunming. A. more changeable B. changeable C. most changeable D. changeabler ▶（　）3. The submersible can dive ______ (deep) than before. A. deeper B. deep C. deepest D. more deep 拓展题：（选择题） ★（　）1. The more we explore Nature, ______ we understand it. A. the better B. well C. better D. the best ★（　）2. Which sentence is RIGHT? A. She is much more beautiful than her sister. B. He is more taller than me. C. This book is interestinger than that one. D. The weather is more colder today. ★（　）3. The Nile is longer than ______ river in Africa. A. any other B. any others C. any D. any other rivers 考点2：形容词/副词最高级（the + 最高级 + in/of） 【易错点睛】三者及以上比较用最高级。单音节词加 -est（high→highest, deep→deepest, long→longest, fast→fastest）；以 e 结尾加 -st（large→largest）；双写加 -est（big→biggest）；辅音+y 变 i 加 -est（busy→busiest）；多音节词加 most（most amazing, most beautiful）。最高级前**必须加 the**（副词最高级 the 可省）。常接 in + 地点 / of + 范围。one of the + 最高级 + 复数名词（最……之一）。不规则：good/well→best, bad→worst, far→farthest/furthest, much/many→most, little→least。 基础题：（选择题） ◇（　）1. Mount Qomolangma is ______ highest mountain in ______ world. A. the; the B. a; a C. the; a D. (不填); the ◇（　）2. The Great Barrier Reef is one of ______ coral reefs in the world. A. the largest B. large C. larger D. largest ◇（　）3. Olivia is ______ (good) swimmer in her class. A. the best B. good C. better D. best 提升题：（选择题） ▶（　）1. Which is WRONG? A. This is most amazing wonder I have ever seen. B. It is the deepest lake in China. C. He is the tallest of the three boys. D. She sings (the) most beautifully in our school. ▶（　）2. The Dead Sea is ______ (low) place on earth. A. the lowest B. low C. lower D. lowest ▶（　）3. Among all the climbers, Chen Wei climbed ______ (high). A. highest B. high C. higher D. the highest 拓展题：（选择题） ★（　）1. This is one of ______ (amazing) experiences I have ever had. A. the most amazing B. amazing C. more amazing D. most amazing ★（　）2. Which is the RIGHT order of "deep"? A. deep→deeper→deepest B. deep→deepest→deeper C. deep→more deep→most deep D. deep→deeper→more deeper ★（　）3. The Yangtze River is the third ______ (long) river in the world. A. longest B. long C. longer D. the longest 考点3：感叹句 What/How 辨析 【易错点睛】感叹句两大句型：① What + (a/an) + 形容词 + 名词 + 主谓！（名词中心词：What a wonderful view! What amazing wonders!）② How + 形容词/副词 + 主谓！（形容词/副词中心词：How amazing! How fast he runs!）判断口诀：**有名 what 无名 how**。注意：What + a + 形容词 + 可数名词单数；What + 形容词 + 不可数/复数名词（不加 a）。 基础题：（选择题） ◇（　）1. ______ amazing the waterfall is! A. How B. What C. What a D. How a ◇（　）2. ______ wonderful experience it is! A. What a B. What C. How D. How a ◇（　）3. ______ beautiful the coral reef is! A. How B. What C. What a D. How a 提升题：（选择题） ▶（　）1. Which is WRONG? A. What deep the lake is! B. What a deep lake it is! C. How deep the lake is! D. How amazing the view is! ▶（　）2. ______ fast the submersible can dive! A. How B. What C. What a D. How a ▶（　）3. ______ unusual sight we saw at the bottom of the ocean! A. What B. What an C. How D. How an 拓展题：（选择题） ★（　）1. ______ important it is to protect Nature! A. What B. How C. What an D. How an ★（　）2. Choose the RIGHT sentence. A. What a amazing view! B. What an amazing view it is! C. How an amazing view it is! D. How amazing view! ★（　）3. ______ lovely the baby turtles are when they run to the sea! A. What B. How C. What a D. How a 考点4：现在完成时（经历表达 ever/never/before） 【易错点睛】现在完成时结构：have/has + 过去分词，表示**过去发生但与现在有关的动作/经历**。常与 already, yet, ever, never, before, just 连用。have been to 去过（已回）；have gone to 去了（未回）。have/has 由主语决定：I/you/we/they + have; he/she/it + has。否定：haven't/hasn't + done。疑问：Have/Has + 主语 + done? 基础题：（选择题） ◇（　）1. Olivia ______ (never/be) to the top of Qomolangma. A. never be B. has never been C. have never been D. never has been ◇（　）2. ______ you ever ______ (see) a coral reef? A. Have; saw B. Have; seen C. Has; seen D. Do; see ◇（　）3. Chen Wei ______ (just/finish) his report on the Amazon Rainforest. A. just finished B. has just finished C. have just finished D. just has finished 提升题：（选择题） ▶（　）1. Which is WRONG? A. She has been to Wuhan twice. B. He hasn't finished his homework already. C. They have gone to Xiamen for holiday. D. Have you ever seen a whale? ▶（　）2. Bella ______ (not/visit) the Great Wall yet. A. didn't visit B. hasn't visited C. haven't visited D. not has visited ▶（　）3. Jam and Lily ______ (read) three books about Nature this month. A. read B. have read C. has read D. are reading 拓展题：（选择题） ★（　）1. The explorers ______ (discover) a new cave in Kunming last year. A. have discovered B. discovered C. has discovered D. are discovering ★（　）2. — Where is Zhang Hao? — He ______ to the library. A. has been B. has gone C. have been D. have gone ★（　）3. Which is RIGHT? A. I have saw that movie before. B. They have already finished the project. C. She has went to Qingdao. D. He hasn't never been there. 考点5：被动语态 be + done（描述自然奇观被探索/保护） 【易错点睛】被动语态：be + 过去分词。一般现在时被动：am/is/are + done；一般过去时被动：was/were + done。本单元常用：is located（位于）, was discovered（被发现）, are attracted（被吸引）, is famous for（因…闻名）。主动变被动：宾语变主语，动词变 be + done，原主语变 by 短语（常省略）。注意 be 动词由新主语单复数/时态决定。 基础题：（选择题） ◇（　）1. The Great Wall ______ (locate) in northern China. A. locate B. is located C. was located D. locates ◇（　）2. The Dead Sea ______ (call) the lowest place on earth. A. call B. is called C. was called D. calls ◇（　）3. Millions of tourists ______ (attract) by the beautiful waterfall every year. A. attract B. are attracted C. attracts D. were attracted 提升题：（选择题） ▶（　）1. Which is WRONG? A. The island is surrounded by coral reefs. B. The book was write by a famous traveler. C. The mountain was first climbed in 1953. D. The cave has been explored by scientists. ▶（　）2. The submersible ______ (use) to explore the deep ocean. A. use B. is used C. was use D. are used ▶（　）3. The ancient civilization ______ (discover) by archaeologists in 1922. A. discover B. was discovered C. is discovered D. were discovered 拓展题：（选择题） ★（　）1. Why ______ the rainforest ______ (call) "the lungs of the earth"? A. does; call B. is; called C. has; called D. was; call ★（　）2. The new national park ______ (not open) to tourists yet. A. isn't opened B. hasn't been opened C. wasn't opened D. doesn't open ★（　）3. Qomolangma ______ (climb) by thousands of people since 1953. A. is climbed B. has been climbed C. was climbed D. climbed 考点6：大数表达（hundred/thousand/million/billion） 【易错点睛】大数表达规则：① 前有**具体数字**时，hundred/thousand/million/billion **不加 s**，也不加 of（two thousand, five million）；② 表示**模糊数量**时，用复数 + of（hundreds of 成百上千, thousands of 成千上万, millions of 数百万）；③ 英语无"万/亿"单独单词：一万 = ten thousand，一亿 = one hundred million；④ 百位与十位间加 and（英式）：123 → one hundred and twenty-three。 基础题：（选择题） ◇（　）1. There are about five ______ (thousand) books in the school library. A. thousands B. thousand C. thousand of D. thousands of ◇（　）2. ______ people visit the Great Wall every year. A. Million of B. Five millions C. Millions of D. Five million of ◇（　）3. The river is about two ______ (hundred) kilometres long. A. hundreds B. hundreds of C. hundred D. hundred of 提升题：（选择题） ▶（　）1. Which is WRONG? A. There are three hundred students. B. Millions of stars are in the sky. C. The city has ten millions people. D. Hundreds of tourists come here every day. ▶（　）2. The lake covers an area of about one hundred and fifty ______ square kilometres. A. thousands B. thousand of C. thousand D. thousands of ▶（　）3. ______ students took part in the Nature survey. A. Two hundreds B. Two hundred of C. Two hundred D. Hundred of 拓展题：（选择题） ★（　）1. The population of this city is over seven ______ (million). A. millions B. million of C. million D. millions of ★（　）2. The desert is about three hundred and fifty thousand ______ (square) kilometres. A. squares B. square of C. square D. squares of ★（　）3. Which is RIGHT? A. five hundred of people B. five hundreds people C. five hundred people D. five hundreds of people 考点7：方位介词 in/on/to/at/off 辨析 【易错点睛】方位介词：in + 大地点/内部（in China, in Wuhan）；on + 表面/接壤（on the coast, on the border）；to + 外部不接壤（to the northeast of, to the east of）；off + 海面外/离海岸（off the coast of, off the island）；at + 小地点/具体点（at the foot of, at the top of）。be located in 位于（内部）；be located on 位于（表面/沿岸）；be located to 位于（外部方向）。 基础题：（选择题） ◇（　）1. Wuhan is located ______ the middle of China. A. on B. at C. in D. to ◇（　）2. The island lies ______ the east coast of Australia. A. in B. at C. on D. to ◇（　）3. Qingdao is a city ______ the coast of the Yellow Sea. A. in B. at C. on D. to 提升题：（选择题） ▶（　）1. Which is WRONG? A. Kunming is in the southwest of China. B. The reef is off the coast. C. Xiamen is to the coast of Taiwan. D. Jam lives at the foot of the mountain. ▶（　）2. The small village is hidden ______ the bottom of the valley. A. in B. on C. at D. to ▶（　）3. Japan is ______ the east of China. A. in B. on C. to D. at 拓展题：（选择题） ★（　）1. The coral reef is located ______ (在……顶部) the underwater mountain. A. in the top of B. on the top of C. at the top of D. to the top of ★（　）2. The city of Ji is famous ______ its springs. A. in B. on C. for D. at ★（　）3. There is a small island ______ (离……不远) the coast. A. in B. on C. off D. to 考点8：词性转换（deep/depth, describe/description, develop/development, die/death/dead） 【易错点睛】本单元高频词性转换：① 形→名：deep（深的）→ depth（深度）；wide→width；long→length；high→height；② 动→名：describe→description；develop→development；explore→exploration；attract→attraction；③ die（动词死）→ death（名词死亡）→ dead（形容词死的）→ dying（垂死的）；④ nature（名词自然）→ natural（形容词自然的）；⑤ curious（好奇的）→ curiosity（名词好奇心）。注意：the + 名词（depth, height）常与 of 连用。 基础题：（选择题） ◇（　）1. The ______ (deep) of the lake is more than 50 metres. A. deep B. deeper C. depth D. deepest ◇（　）2. The guidebook gave an amazing ______ (describe) of the desert. A. describe B. describing C. description D. described ◇（　）3. Too much pressure is not good for your ______ (develop). A. develop B. developed C. development D. developing 提升题：（选择题） ▶（　）1. Which is WRONG? A. The height of the mountain is 8,848 metres. B. His curiosity made him explore Nature. C. The death fish was found in the pond. D. Environmental protection is important. ▶（　）2. The ______ (die) leaves fell from the trees in autumn. A. die B. death C. dead D. died ▶（　）3. Olivia has a strong ______ (curious) about the underwater world. A. curious B. curiously C. curiosity D. curiouser 拓展题：（选择题） ★（　）1. The old turtle was still ______ (live) when the scientist found it. A. live B. living C. lively D. alive ★（　）2. The ______ (attract) of the waterfall brings millions of tourists. A. attract B. attractive C. attracted D. attraction ★（　）3. The explorer's ______ (die) in the desert was a great loss. A. die B. dead C. died D. death 考点9：both...and... 与 as...as... / not as...as... 【易错点睛】both...and... 两者都，连接两个并列成分作主语时，谓语用**复数**：Both Olivia and Bella like Nature. not as/so...as... 不如……：The lake is not as deep as the ocean. as...as... 和……一样：The river is as long as that one. 注意：as...as 中间用**原级**；both...and 连接两个主语时**不可用第三人称单数**。 基础题：（选择题） ◇（　）1. Both Chen Wei and Jam ______ (be) interested in climbing. A. is B. am C. be D. are ◇（　）2. This river is not ______ long ______ that one. A. so; so B. as; than C. so; that D. as; as ◇（　）3. Olivia runs ______ fast ______ Bella. A. so; as B. as; than C. more; than D. as; as 提升题：（选择题） ▶（　）1. Which is WRONG? A. Both Lily and Zhang Hao like hiking. B. He can swim as well as his brother. C. She is not so careful as her sister. D. The waterfall is more taller than the hill. ▶（　）2. ______ the teacher ______ the students are amazed by the view. A. Either; or B. Neither; nor C. Not only; but also D. Both; and ▶（　）3. The weather in Kunming is ______ (good) than in Ji in winter. A. as good as B. best C. the best D. better 拓展题：（选择题） ★（　）1. The submersible can dive ______ deep ______ a whale can swim. A. so; as B. as; than C. more; than D. as; as ★（　）2. ______ of them has been to the top of the mountain. A. Both B. All C. Each D. Neither ★（　）3. The more we learn about Nature, the ______ we want to protect it. A. much B. most C. the more D. more 考点10：现在进行时表将来 / 一般将来时（旅行计划） 【易错点睛】本单元涉及旅行探索计划，常用两种将来表达：① 现在进行时表将来（go/come/leave/arrive 等位移动词）：We are leaving for Xiamen tomorrow. ② will + 动词原形：We will explore the rainforest next week. ③ be going to + do 表计划：They are going to climb the mountain. 注意：时间状语 tomorrow/next week/soon/in 2026 提示将来时，不用现在时。 基础题：（选择题） ◇（　）1. Olivia and her family ______ (leave) for Qingdao next week. A. leave B. leaves C. left D. are leaving ◇（　）2. We ______ (visit) the Great Wall this summer holiday. A. visit B. visits C. visited D. are going to visit ◇（　）3. The explorers ______ (arrive) at the base camp tomorrow morning. A. arrive B. arrives C. will arrives D. are arriving 提升题：（选择题） ▶（　）1. Which is WRONG? A. They will dive into the ocean next month. B. She is leaving for Wuhan tonight. C. He is going to explore the desert. D. We go to climb the mountain tomorrow. ▶（　）2. Jam ______ (not/go) hiking this weekend because of the rain. A. doesn't go B. isn't going C. won't going D. won't go ▶（　）3. — When ______ you ______ (start) the trip to Kunming? — Next Monday. A. do; start B. did; start C. are; start D. will; start 拓展题：（选择题） ★（　）1. Bella said she ______ (visit) the coral reef as soon as she arrived in Xiamen. A. will visit B. visits C. visited D. would visit ★（　）2. The scientist ______ (give) a talk about the wonders of Nature this afternoon. A. give B. gives C. gave D. is giving ★（　）3. If the weather is fine, we ______ (go) camping near the lake. A. go B. went C. are going D. will go 参考答案与详细解析 考点1：形容词/副词比较级构成与 than 连用 【基础题】 1.【答案】A 【解析】higher 比较级 higher，than any other + 单数（同范围排除自己）。 2.【答案】A 【解析】longer much 修饰比较级 longer，than 连接比较对象。 3.【答案】A 【解析】faster 修饰动词 run 用副词比较级 faster。 【提升题】 1.【答案】A 【解析】This lake is more deep than that one. deep 是多音节形容词，比较级用 more deep 错误，应为 deeper。 2.【答案】A 【解析】more changeable changeable 多音节词，比较级加 more。 3.【答案】A 【解析】deeper 修饰动词 dive 用副词比较级 deeper。 【拓展题】 1.【答案】A 【解析】the better the+比较级..., the+比较级... 固定句型，"越…越…"，用 the better。 2.【答案】A 【解析】She is much more beautiful than her sister. 多音节 beautiful 比较级用 more beautiful，不用 -er。 3.【答案】A 【解析】any other 尼罗河是非洲最长河流之一，用比较级 longer than any other + 单数。 考点2：形容词/副词最高级（the + 最高级 + in/of） 【基础题】 1.【答案】A 【解析】the; the 最高级前加 the，world 前也加 the：the highest mountain in the world。 2.【答案】A 【解析】the largest one of the + 最高级 + 复数名词，用 the largest。 3.【答案】A 【解析】the best 最高级 best 前加 the：the best swimmer。 【提升题】 1.【答案】A 【解析】This is most amazing wonder I have ever seen. most amazing 前必须加 the：the most amazing wonder。 2.【答案】A 【解析】the lowest 最高级 the + -est/most... + in/of。 3.【答案】A 【解析】highest 副词最高级 climbed (the) highest，副词最高级 the 可省。 【拓展题】 1.【答案】A 【解析】the most amazing 最高级 the + -est/most... + in/of。 2.【答案】A 【解析】deep→deeper→deepest 最高级 the + -est/most... + in/of。 3.【答案】A 【解析】longest the third longest 第三长，最高级前有序数词仍用 the。 考点3：感叹句 What/How 辨析 【基础题】 1.【答案】A 【解析】How 形容词 amazing 为中心词，用 How + adj. + 主谓！ 2.【答案】A 【解析】What a 可数名词单数 experience，用 What a + adj. + n.！ 3.【答案】A 【解析】How 形容词 beautiful 为中心词，用 How + adj. + 主谓！ 【提升题】 1.【答案】A 【解析】What deep the lake is! 形容词 deep 前用 How，What deep 错。 2.【答案】A 【解析】How 副词 fast 为中心词，用 How + adv. + 主谓！ 3.【答案】B 【解析】What an unusual 以元音开头，用 What an + adj. + n.！ 【拓展题】 1.【答案】B 【解析】How 形容词 important 为中心词，用 How + adj. + 主谓！ 2.【答案】B 【解析】What an amazing view it is! What an amazing view it is! 正确（a 用在 amazing 前）。 3.【答案】B 【解析】How 形容词 lovely 为中心词，用 How + adj. + 主谓！ 考点4：现在完成时（经历表达 ever/never/before） 【基础题】 1.【答案】B 【解析】has never been Olivia 单数用 has never been，ever/never 用于完成时。 2.【答案】B 【解析】Have; seen 现在完成时疑问句：Have + 主语 + seen（过去分词）。 3.【答案】B 【解析】has just finished just 常用于完成时，Chen Wei 单数用 has just finished。 【提升题】 1.【答案】B 【解析】He hasn't finished his homework already. already 用于肯定句，否定句用 yet：hasn't finished...yet。 2.【答案】B 【解析】hasn't visited 现在完成时 have/has + done。 3.【答案】B 【解析】have read 复数主语用 have read，this month 常与完成时连用。 【拓展题】 1.【答案】B 【解析】discovered 现在完成时 have/has + done。 2.【答案】B 【解析】has gone has gone to 去了未回，符合"他人不在这儿"语境。 3.【答案】B 【解析】They have already finished the project. already 用于完成时肯定句：have already finished。 考点5：被动语态 be + done（描述自然奇观被探索/保护） 【基础题】 1.【答案】B 【解析】is located 一般现在时被动：the Great Wall 单数用 is located。 2.【答案】B 【解析】is called 一般现在时被动：is called 被称为。 3.【答案】B 【解析】are attracted 一般现在时被动：复数用 are attracted。 【提升题】 1.【答案】B 【解析】The book was write by a famous traveler. 2.【答案】B 【解析】is used 一般现在时被动：is used to explore。 3.【答案】B 【解析】was discovered 一般过去时被动：was discovered（单数）。 【拓展题】 1.【答案】B 【解析】is; called 2.【答案】B 【解析】hasn't been opened 现在完成时被动：hasn't been opened，yet 搭配。 3.【答案】B 【解析】has been climbed 现在完成时被动：has been climbed，since 搭配。 考点6：大数表达（hundred/thousand/million/billion） 【基础题】 1.【答案】B 【解析】thousand 前有具体数字 five，thousand 不加 s 也不加 of。 2.【答案】C 【解析】Millions of 模糊数量用 Millions of（复数 + of）。 3.【答案】C 【解析】hundred 前有具体数字 two，hundred 不加 s。 【提升题】 1.【答案】C 【解析】The city has ten millions people. 具体数字后 million 不加 s：ten million people。 2.【答案】C 【解析】thousand 前有具体数字，thousand 不加 s。 3.【答案】C 【解析】Two hundred two hundred 后直接接名词，不加 of。 【拓展题】 1.【答案】C 【解析】million 前有具体数字 seven，million 不加 s。 2.【答案】C 【解析】square square kilometres 平方千米，square 用单数。 3.【答案】C 【解析】five hundred people 具体数字后 hundred 不加 s 也不加 of：five hundred people。 考点7：方位介词 in/on/to/at/off 辨析 【基础题】 1.【答案】C 【解析】in 大地点/内部用 in。 2.【答案】C 【解析】on 在海岸线上用 on the coast。 3.【答案】C 【解析】on 位于沿岸用 on the coast。 【提升题】 1.【答案】C 【解析】Xiamen is to the coast of Taiwan. to 表示外部方向，不接 coast；应用 on the coast of。 2.【答案】C 【解析】at at the bottom of 在…底部，固定搭配。 3.【答案】C 【解析】to 日本在中国外部（不接壤），用 to the east of。 【拓展题】 1.【答案】C 【解析】at the top of 方位介词 in/on/to/at/off 辨析。 2.【答案】C 【解析】for be famous for 因…闻名，固定搭配。 3.【答案】C 【解析】off 方位介词 in/on/to/at/off 辨析。 考点8：词性转换（deep/depth, describe/description, develop/development, die/death/dead） 【基础题】 1.【答案】C 【解析】depth 词性转换。 2.【答案】C 【解析】description 词性转换。 3.【答案】C 【解析】development 词性转换。 【提升题】 1.【答案】C 【解析】The death fish was found in the pond. dead 是形容词，修饰名词 fish 应用 dying 或 dead；death 是名词不能修饰 fish。 2.【答案】C 【解析】dead 词性转换。 3.【答案】C 【解析】curiosity 词性转换。 【拓展题】 1.【答案】D 【解析】alive 词性转换。 2.【答案】D 【解析】attraction 词性转换。 3.【答案】D 【解析】death 词性转换。 考点9：both...and... 与 as...as... / not as...as... 【基础题】 1.【答案】D 【解析】are both...and 连接并列主语，谓语用复数 are。 2.【答案】D 【解析】as; as both...and / as...as / 比较级。 3.【答案】D 【解析】as; as as...as 和…一样，中间用原级。 【提升题】 1.【答案】D 【解析】The waterfall is more taller than the hill. more taller 错，tall 单音节比较级直接加 -er，不加 more。 2.【答案】D 【解析】Both; and both...and 两者都，谓语用复数 are。 3.【答案】D 【解析】better both...and / as...as / 比较级。 【拓展题】 1.【答案】D 【解析】as; as both...and / as...as / 比较级。 2.【答案】D 【解析】比较级。 3.【答案】D 【解析】more both...and / as...as / 比较级。 考点10：现在进行时表将来 / 一般将来时（旅行计划） 【基础题】 1.【答案】D 【解析】are leaving 将来时表达。 2.【答案】D 【解析】are going to visit 将来时表达。 3.【答案】D 【解析】are arriving 将来时表达。 【提升题】 1.【答案】D 【解析】We go to climb the mountain tomorrow. tomorrow 表将来，不能用一般现在时 go，应用将来时。 2.【答案】D 【解析】won't go 将来时表达。 3.【答案】D 【解析】will; start 将来时表达。 【拓展题】 1.【答案】D 【解析】would visit 主过从过，过去将来时 would visit。 2.【答案】D 【解析】is giving 将来时表达。 3.【答案】D 【解析】will go if 条件句主将从现，用 will go。 学科网（北京）股份有限公司 $