Understand ecological, urban-rural and pollution-control materials.
Compare environmental measures and distinguish claims from evidence.
Write an environmental analysis, proposal or supported opinion.
LEARN IN CONTEXT
Read and listen across several real contexts
This lesson uses the number and type of texts that fit the topic. Learn the same language across different situations instead of forcing everything into one dialogue.
Core textShort article
垃圾分类点为什么换了两次方案
Why this text is here: Follow an environmental improvement from complaint to trial and measured adjustment.
Yí gè xiǎoqū yuánlái de lājī fēnlèi diǎn kàojìn értóng huódòngqū, xiàtiān jūmín shícháng fǎnyìng qìwèi míngxiǎn. Wùyè dì-yī cì zhíjiē bǎ fēnlèi diǎn yí yuǎn le wǔshí mǐ, dàn xīn wèizhì lí bùfen lóudòng tài yuǎn, yòu chūxiàn xīn de tóusù.
一个小区原来的垃圾分类点靠近儿童活动区，夏天居民时常反映气味明显。物业第一次直接把分类点移远了五十米，但新位置离部分楼栋太远，又出现新的投诉。A community's waste-sorting point was near a children's area and residents often reported odor in summer. Management first moved it fifty meters away, but the new location was too far from some buildings and generated new complaints.
第二次调整前，物业记录了两周使用人数、清运时间和气味反馈，最后选择一个中间位置，并增加密闭设备。这个方案不一定适合所有社区，但说明改进需要同时看不同影响。Before the second change, management recorded two weeks of usage, collection times and odor feedback, then chose a middle location and added closed equipment. The solution is not universal, but it shows that improvement requires considering multiple impacts.
Practical textShort article
河边步道噪声调研摘要
Why this text is here: Read a bounded survey and distinguish measured concentration from universal claims.
志愿者连续七天在18:00、20:00和22:00三个时段记录步道噪声。结果显示，22:00以后超过参考值的记录主要出现在两个入口附近。其他路段大多数时段没有同样现象。Volunteers recorded path noise at 18:00, 20:00 and 22:00 for seven days. Readings above the reference value after 22:00 were concentrated near two entrances; most other sections did not show the same pattern.
管理方据此没有关闭整条步道，而是先在两个入口增加提示，并继续记录一个月。调研能支持“问题集中在这两个位置”，却不能证明所有晚上、所有路段都同样吵。Management did not close the whole path; it added reminders at the two entrances and continued monitoring for a month. The survey supports concentration at those locations, not a claim that every section is noisy every night.
Support textStory
先试行，而不是一次改完
Why this text is here: Use a trial to reduce risk and gather evidence for a long-term environmental decision.
社区会上有人提出一次更换所有照明设备，也有人担心亮度过高影响附近住户。最后大家同意先选一段路试行两周。At a community meeting, some proposed replacing all lighting at once while others worried excess brightness might affect nearby residents. They agreed to trial one section for two weeks.
试行期间一块旧提示牌被大风给吹倒了，工作人员便补上固定装置。两周后的报告同时记录照度、居民反馈和故障次数，再决定是否扩大。During the trial an old sign was blown down, so staff added a securing device. The two-week report recorded illumination, resident feedback and failures before deciding whether to expand.
Study the pattern, then replace the example information with details from your own situation.
被动句：被/叫/让 + 宾语 + 给 + 动词
主语 + 被/叫/让 + 宾语 + 给 + 动词 + 其他
This marked passive construction is common in vivid spoken or narrative contexts and foregrounds an affected object.
Jiù fēnlèipái bèi dàfēng gěi chuīdǎo le, guǎnlǐ rényuán dàngtiān xiān fàng le línshí tíshì.旧分类牌被大风给吹倒了，管理人员当天先放了临时提示。The old sorting sign was blown down by strong wind, so staff put up a temporary notice that day.
承接复句：……，便……
前一事件/条件，便 + 后续动作
Use 便 to connect a preceding situation with the next action in a concise sequence.
Diàoyán quèrèn wǎnjiān zàoshēng zhǔyào jízhōng zài liǎng gè rùkǒu, guǎnlǐfāng biàn xiān zài zhè liǎng gè wèizhì shìxíng xīn de tíxǐng fāngshì.调研确认晚间噪声主要集中在两个入口，管理方便先在这两个位置试行新的提醒方式。Once the survey confirmed evening noise was concentrated at two entrances, management first trialed new reminders there.
Step 6 · Guided practice
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Submit the quiz to unlock lesson completion.
Step 7 · Communication task
写一份环境问题分析和改进建议
你观察到社区、学校或公共空间存在一个环境问题。
Your task
说明问题发生的位置和影响
提供至少一项观察、调研或记录
提出一个可试行的措施
说明后续怎样判断是否真正改善
Write at least 130 non-space characters to continue
Self-check rubric
At least three lesson words are used accurately.
At least one lesson pattern is complete.
The response completes the communication target.
The Chinese can be read aloud without relying on English.
Step 8 · Review
Complete the mastery check
A lesson is complete only after the quiz, communication task and self-review requirements are met.
QuizNot submitted
Reach at least 70%.
OutputIncomplete
Write at least 130 non-space characters.
ReviewIncomplete
Complete all three self-checks.
Communication target
What you should be able to do after this lesson
Analyze an environmental issue through causes, effects, measures and evidence limits.
Understand ecological, urban-rural and pollution-control materials.
Compare environmental measures and distinguish claims from evidence.
Write an environmental analysis, proposal or supported opinion.