词根 -pos-/-posit-（放置）考研高频词
词根 -pos- / -posit-（放置）
-pos- / -posit-来自拉丁语 ponere「放、置」。许多“位置/构成/提议“类单词都源于它。
核心词族
| 单词 | 词性 | 释义 | 拆解 |
|---|---|---|---|
| position | n. | 位置、职位 | pos + ition |
| compose | v. | 组成、创作 | com（共同）+ pose |
| expose | v. | 暴露、揭露 | ex（向外）+ pose |
| propose | v. | 提议、求婚 | pro（向前）+ pose |
| impose | v. | 强加、征税 | im（向内）+ pose |
| oppose | v. | 反对 | op（相反）+ pose |
| deposit | v./n. | 存放、存款；押金 | de（向下）+ posit |
| postpone | v. | 推迟 | post（后）+ pone |
| dispose | v. | 处理、处置 | dis（分开）+ pose |
| supposed | adj. | 假定的、被认为的 | sup（下）+ pose + ed |
| positive | adj. | 积极的、正的 | posit + ive |
| opposite | adj./n. | 相反的；对立面 | op + pos + ite |
考研高频短语
| 短语 | 释义 | 例句 |
|---|---|---|
| be composed of | 由…组成 | Water is composed of hydrogen and oxygen. |
| be exposed to | 暴露于；接触到 | Children are exposed to too much screen time. |
| impose … on … | 把…强加于 | The law imposes heavy fines on polluters. |
| be opposed to | 反对 | Many experts are opposed to the plan. |
| be supposed to do | 应该做 | You are supposed to submit the report today. |
| dispose of | 处理、清除 | The company must dispose of waste safely. |
| put off / postpone | 推迟（同义） | The meeting was postponed until Friday. |
| make a deposit | 存款 / 交押金 | He made a deposit of 1,000 yuan. |
真题语境例句
例句 1：The committee proposed a series of measures to cut costs. 委员会提出了一系列削减成本的措施。
例句 2：New taxes were imposed on imported goods. 进口商品被征收了新税。
例句 3：The report exposed serious problems in the system. 报告揭露了系统中的严重问题。
例句 4：A positive attitude is essential for success. 积极的态度对成功至关重要。
词族扩展树
-pos-/-posit-（放置）
┌───────────┼───────────┬──────────────┐
compose expose propose impose
composition exposure proposal imposition
composer exposed proposer
oppose（反对） dispose（处理） deposit（存放）
opposite disposal depositor
position（位置） postpone（推迟） suppose（假定）
positive（积极的） supposed（假定的）记忆技巧
- com + pose：放在一起 → 组成；
- ex + pose：放到外面 → 暴露；
- pro + pose：摆到前面 → 提议；
- im + pose：硬放上去 → 强加；
- op + pose：反着放 → 反对；
- post + pone：放到后面 → 推迟。
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