✨ 语义深度解析
react
高考核心词 作文加分词 难度 2/5 ⏱ 2 分钟
核心
被触发后做出的回应——外部刺激来了,你怎么回应
释义
1
v.反应,回应(对某事件或刺激)
The government was slow to react to the early warning signs of the economic crisis.
政府对经济危机早期预警信号的反应迟缓。
2
v.(化学上)发生反应
When sodium reacts with water, it produces hydrogen gas and a great deal of heat.
钠与水发生反应时,会产生氢气和大量热量。
语感
react = 被触动了才动——是被动的回应,不是主动的行动
反应回应做出反应
陷阱
⚠️react to(不是 react on/for)
She reacted on the news by calling her family immediately.
(误介词)她对这个消息做出反应,立即打电话给家人。
react 固定接介词 to(react to the news),不用 on 或 for
She reacted to the news by calling her family immediately.
这个消息的反应是立即打电话给家人。(react to + 名词)
近义辨析
react vs respond
react 对某事件或刺激做出回应(义项一) respond 回应,答复(更正式,可指有效作出回应)
The crowd reacted with shock and disbelief when the result was announced.
当结果宣布时,人群以震惊和不相信的态度做出反应
The company responded promptly to customer complaints by issuing a full refund.
公司通过全额退款迅速回应了客户投诉。
写作加分
✨ 加分词
替换:actdo something about
社会问题类议论文危机应对话题
普通
The government needs to do something about climate change.
政府需要对气候变化采取行动。
加分 ✨
Governments that fail to react swiftly to environmental warnings risk allowing problems to escalate beyond the point of easy remedy.
未能及时回应环境警告的政府,面临让问题升级到难以轻易解决的风险。
常用搭配
react to sth.对某事做出反应
react by doing sth.通过做某事来回应
overreact (to)反应过度
a chain / gut reaction连锁反应 / 本能反应
have a (allergic) reaction to对……有(过敏)反应
词根
react = re(回)+ act(行动)→ 被触发后回头行动 = 做出反应
考考你
Q1对错判断
判断下面句子里 react 的用法是否正确:
Many investors reacted on the news of the interest rate rise by selling their shares.
✓ 正确版本
Many investors reacted to the news of the interest rate rise by selling their shares.
许多投资者加息消息的反应是抛售股票。(react to,不是 react on)
react 固定接介词 to,不用 on
Q2近义选词
选择最恰当的词填空:
The helpline ___ to every message within 24 hours, ensuring no caller is left without support.
Areacts
Bresponds
✓ 热线在24小时内回复每条信息,确保没有来电者得不到支持。
有效、有计划地回复/处理用 respond;react 更强调「被刺激后的即时情绪反应」
Q3翻译应用
用 react 翻译下面句子(可参考 writing_upgrade 字段的搭配):
面对公众的强烈批评,政府迅速做出反应,宣布撤回争议性政策。
Faced with strong public criticism, the government reacted swiftly by announcing the withdrawal of the controversial policy.
关键搭配:reacted swiftly by announcing
react to/by 结构描述「在压力下的即时回应」,配合 swiftly 强调速度
接着学
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