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Ⅲ. 读一读,仿一仿。
1. 描述生态系统的构成
A forest is an ecosystem that supports the living of many plants and animals.
仿写:池塘是一个支持许多植物和鱼生存的生态系统。
2. 描述生态系统的重要性
The rainforest is an ecosystem that is important to us all.
仿写:草地是一个对我们所有人都很重要的生态系统。
3. 描述人类活动的影响
Streets, beaches and parks that are usually full of people remain empty.
仿写:河流、湖泊和森林通常充满生机,现在却变得缺乏生机(lifeless)。
4. 描述人类活动影响的结果
(1)It is no surprise that animals soon increase in number.
仿写:毫不奇怪,一些濒危物种的数量很快恢复。
(2) Without pollution, the natural wonders which have been hidden behind smog for years would appear again.
仿写:如果没有垃圾,那些被垃圾覆盖多年的美丽海滩就会重新出现。
1. 描述生态系统的构成
A forest is an ecosystem that supports the living of many plants and animals.
仿写:池塘是一个支持许多植物和鱼生存的生态系统。
A pond is an ecosystem that supports the living of many plants and fish.
2. 描述生态系统的重要性
The rainforest is an ecosystem that is important to us all.
仿写:草地是一个对我们所有人都很重要的生态系统。
The grassland is an ecosystem that is important to us all.
3. 描述人类活动的影响
Streets, beaches and parks that are usually full of people remain empty.
仿写:河流、湖泊和森林通常充满生机,现在却变得缺乏生机(lifeless)。
Rivers, lakes and forests that are usually full of life remain lifeless.
4. 描述人类活动影响的结果
(1)It is no surprise that animals soon increase in number.
仿写:毫不奇怪,一些濒危物种的数量很快恢复。
It is no surprise that some endangered species soon recover in number.
(2) Without pollution, the natural wonders which have been hidden behind smog for years would appear again.
仿写:如果没有垃圾,那些被垃圾覆盖多年的美丽海滩就会重新出现。
Without rubbish, the beautiful beaches that have been covered by rubbish for years would appear again.
答案
1. A pond is an ecosystem that supports the living of many plants and fish.
2. The grassland is an ecosystem that is important to us all.
3. Rivers, lakes and forests that are usually full of life remain lifeless.
4. (1) It is no surprise that some endangered species soon recover in number.
(2) Without rubbish, the beautiful beaches that have been covered by rubbish for years would appear again.
2. The grassland is an ecosystem that is important to us all.
3. Rivers, lakes and forests that are usually full of life remain lifeless.
4. (1) It is no surprise that some endangered species soon recover in number.
(2) Without rubbish, the beautiful beaches that have been covered by rubbish for years would appear again.
解析
【分析】
本题为英语仿写题，解题思路是先分析每个例句的句子结构（如定语从句结构、固定句型等），再根据中文提示替换对应核心词汇，同时保证句子语法正确、结构与例句一致，注意名词搭配、定语从句的引导词使用等细节。
【解析】
1. 例句结构：A + 名词 + is an ecosystem that + 动词短语（表支持生存）。替换“池塘”为a pond，“鱼”为fish，仿写为：A pond is an ecosystem that supports the living of many plants and fish.
2. 例句结构：The + 名词 + is an ecosystem that + 系表结构（表对我们重要）。替换“草地”为the grassland，仿写为：The grassland is an ecosystem that is important to us all.
3. 例句结构：名词短语（that引导定语从句修饰）+ remain + 形容词。替换“河流、湖泊和森林”为rivers, lakes and forests，“充满生机”为full of life，“缺乏生机”为lifeless，仿写为：Rivers, lakes and forests that are usually full of life remain lifeless.
4. (1) 例句结构：It is no surprise that + 主语 + 谓语（表数量变化）。替换“一些濒危物种”为some endangered species，“恢复”为recover，仿写为：It is no surprise that some endangered species soon recover in number.
(2) 例句结构：Without + 名词, the + 名词短语（that引导定语从句修饰）+ would + 动词短语（表结果）。替换“垃圾”为rubbish，“美丽海滩”为the beautiful beaches，仿写为：Without rubbish, the beautiful beaches that have been covered by rubbish for years would appear again.
【答案】
1. A pond is an ecosystem that supports the living of many plants and fish.
2. The grassland is an ecosystem that is important to us all.
3. Rivers, lakes and forests that are usually full of life remain lifeless.
4. (1) It is no surprise that some endangered species soon recover in number.
(2) Without rubbish, the beautiful beaches that have been covered by rubbish for years would appear again.
【知识点】
定语从句、生态英语表达、固定句型
【点评】
本题考查英语句子仿写能力，需掌握定语从句结构及固定句型，根据中文提示替换词汇即可完成，是基础英语应用类题目。
【难度系数】
0.5
本题为英语仿写题，解题思路是先分析每个例句的句子结构（如定语从句结构、固定句型等），再根据中文提示替换对应核心词汇，同时保证句子语法正确、结构与例句一致，注意名词搭配、定语从句的引导词使用等细节。
【解析】
1. 例句结构：A + 名词 + is an ecosystem that + 动词短语（表支持生存）。替换“池塘”为a pond，“鱼”为fish，仿写为：A pond is an ecosystem that supports the living of many plants and fish.
2. 例句结构：The + 名词 + is an ecosystem that + 系表结构（表对我们重要）。替换“草地”为the grassland，仿写为：The grassland is an ecosystem that is important to us all.
3. 例句结构：名词短语（that引导定语从句修饰）+ remain + 形容词。替换“河流、湖泊和森林”为rivers, lakes and forests，“充满生机”为full of life，“缺乏生机”为lifeless，仿写为：Rivers, lakes and forests that are usually full of life remain lifeless.
4. (1) 例句结构：It is no surprise that + 主语 + 谓语（表数量变化）。替换“一些濒危物种”为some endangered species，“恢复”为recover，仿写为：It is no surprise that some endangered species soon recover in number.
(2) 例句结构：Without + 名词, the + 名词短语（that引导定语从句修饰）+ would + 动词短语（表结果）。替换“垃圾”为rubbish，“美丽海滩”为the beautiful beaches，仿写为：Without rubbish, the beautiful beaches that have been covered by rubbish for years would appear again.
【答案】
1. A pond is an ecosystem that supports the living of many plants and fish.
2. The grassland is an ecosystem that is important to us all.
3. Rivers, lakes and forests that are usually full of life remain lifeless.
4. (1) It is no surprise that some endangered species soon recover in number.
(2) Without rubbish, the beautiful beaches that have been covered by rubbish for years would appear again.
【知识点】
定语从句、生态英语表达、固定句型
【点评】
本题考查英语句子仿写能力，需掌握定语从句结构及固定句型，根据中文提示替换词汇即可完成，是基础英语应用类题目。
【难度系数】
0.5
