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Ⅳ. Read and rewrite（同学们对使用电脑和环保生活的金点子真不少。根据要求完成句子）
1. Super small computers are very small. They are like a grain of salt.（用as ... as合并句子）
2. Minmin turns off the tap when he brushes his teeth. It helps save water.（用It’s a good way to ...改写画线句子）
3. it before rubbish throwing away sort（连词成句）
4. ENIAC was as heavy as four adult elephants（用How heavy对画线部分提问）
5. You should set a power-on password to keep your computer safe.（对画线部分提问）
1. Super small computers are very small. They are like a grain of salt.（用as ... as合并句子）
Super small computers are as small as a grain of salt.
2. Minmin turns off the tap when he brushes his teeth. It helps save water.（用It’s a good way to ...改写画线句子）
It’s a good way to save water.
3. it before rubbish throwing away sort（连词成句）
Sort rubbish before throwing it away.
4. ENIAC was as heavy as four adult elephants（用How heavy对画线部分提问）
How heavy was ENIAC?
5. You should set a power-on password to keep your computer safe.（对画线部分提问）
What should you do to keep your computer safe?
答案
1. Super small computers are as small as a grain of salt.
2. It’s a good way to save water.
3. Sort rubbish before throwing it away.
4. How heavy was ENIAC?
5. What should you do to keep your computer safe?
重点详解:
第3题,先判断各单词词性:sort(动词,意为“分类”)、rubbish(名词,意为“垃圾”)、before(介词/连词,意为“在……之前”)、throwing(动词-ing形式,意为“扔”)、it(代词,指代rubbish)、away(副词,与throw搭配为throw away,意为“扔掉”)。从语义逻辑来看,核心动作是“分类垃圾”(sort rubbish),后续动作是“扔掉它”(throw it away),before表示两个动作的先后顺序,即“在扔掉垃圾之前先分类”。这是一个祈使句,以动词原形sort开头,用于提出建议或指令,注意句首字母要大写。因此,连词成句为:Sort rubbish before throwing it away.
2. It’s a good way to save water.
3. Sort rubbish before throwing it away.
4. How heavy was ENIAC?
5. What should you do to keep your computer safe?
重点详解:
第3题,先判断各单词词性:sort(动词,意为“分类”)、rubbish(名词,意为“垃圾”)、before(介词/连词,意为“在……之前”)、throwing(动词-ing形式,意为“扔”)、it(代词,指代rubbish)、away(副词,与throw搭配为throw away,意为“扔掉”)。从语义逻辑来看,核心动作是“分类垃圾”(sort rubbish),后续动作是“扔掉它”(throw it away),before表示两个动作的先后顺序,即“在扔掉垃圾之前先分类”。这是一个祈使句,以动词原形sort开头,用于提出建议或指令,注意句首字母要大写。因此,连词成句为:Sort rubbish before throwing it away.
解析
【分析】
本题考查英语句型转换、连词成句等基础英语运用能力，需根据每小题的具体要求调整句子结构：1. 用as...as合并句子时，需保留形容词原级，对应两个句子的描述；2. 用It’s a good way to...改写时，将原句的动作表述替换为该结构；3. 连词成句需先确定祈使句核心动词，再结合顺序词连接动名词短语；4. 用How heavy提问时，针对重量调整句式；5. 对动作提问用对应特殊疑问结构。
【解析】
1. 合并句子时，遵循“主语+be+as+形容词原级+as+比较对象”的结构，将两个句子的small对应，故合并为Super small computers are as small as a grain of salt.
2. 画线句表“节水的方法”，用It’s a good way to...改写时，to后接动词原形save，故为It’s a good way to save water.
3. 先确定祈使句开头的动词原形sort，宾语rubbish，before后接动名词throwing，it指代rubbish，结合“扔垃圾前分类”的语义逻辑，故为Sort rubbish before throwing it away.
4. 画线部分是重量，用How heavy提问，原句为一般过去时，将be动词was提前，故为How heavy was ENIAC?
5. 画线部分是动作，对动作提问用What should you do...结构，故为What should you do to keep your computer safe?
【答案】
1. Super small computers are as small as a grain of salt.
2. It’s a good way to save water.
3. Sort rubbish before throwing it away.
4. How heavy was ENIAC?
5. What should you do to keep your computer safe?
【知识点】
英语句型转换、连词成句、特殊疑问句
【点评】
本题为基础英语运用题型，涵盖句型合并、句式改写、连词成句、特殊疑问句转换等考点，侧重考查学生对基础英语句式结构的掌握，难度适中，适合巩固英语基础。
【难度系数】
0.6
本题考查英语句型转换、连词成句等基础英语运用能力，需根据每小题的具体要求调整句子结构：1. 用as...as合并句子时，需保留形容词原级，对应两个句子的描述；2. 用It’s a good way to...改写时，将原句的动作表述替换为该结构；3. 连词成句需先确定祈使句核心动词，再结合顺序词连接动名词短语；4. 用How heavy提问时，针对重量调整句式；5. 对动作提问用对应特殊疑问结构。
【解析】
1. 合并句子时，遵循“主语+be+as+形容词原级+as+比较对象”的结构，将两个句子的small对应，故合并为Super small computers are as small as a grain of salt.
2. 画线句表“节水的方法”，用It’s a good way to...改写时，to后接动词原形save，故为It’s a good way to save water.
3. 先确定祈使句开头的动词原形sort，宾语rubbish，before后接动名词throwing，it指代rubbish，结合“扔垃圾前分类”的语义逻辑，故为Sort rubbish before throwing it away.
4. 画线部分是重量，用How heavy提问，原句为一般过去时，将be动词was提前，故为How heavy was ENIAC?
5. 画线部分是动作，对动作提问用What should you do...结构，故为What should you do to keep your computer safe?
【答案】
1. Super small computers are as small as a grain of salt.
2. It’s a good way to save water.
3. Sort rubbish before throwing it away.
4. How heavy was ENIAC?
5. What should you do to keep your computer safe?
【知识点】
英语句型转换、连词成句、特殊疑问句
【点评】
本题为基础英语运用题型，涵盖句型合并、句式改写、连词成句、特殊疑问句转换等考点，侧重考查学生对基础英语句式结构的掌握，难度适中，适合巩固英语基础。
【难度系数】
0.6
