HSK 3.0 Level 4 · Lesson 20 of 31
科学知识：科普与科研成果
科学技术 · 科学知识
Read the Chinese first. Reveal Pinyin or English only when you need support.
56 minute lesson · task-based course
科学知识：科普与科研成果
Read and explain accessible scientific knowledge or research results by organizing question, method, evidence and conclusion in everyday language.
By the end of this lesson
- Read and listen to simple popular-science explanations and research summaries.
- Restate a scientific idea with cause, process and result.
- Write a short explanation of a scientific fact, experiment or research result.
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.
看到一个研究结果，先问四个问题
课堂示例调查：复习方法
- 参加人数
- 200人
- 方法A
- 每天复习少量内容；120人选择
- 方法B
- 周末集中复习；80人选择
- 比例
- 方法A占60%，方法B占40%
“更多人选择”不等于“效果一定更好”
Step 3 · Vocabulary
Vocabulary & Grammar
Study the focus words and official grammar that this lesson teaches through its texts.
Lesson focus vocabulary
science; scientific knowledge; scientific
research; a study; to research
to bear fruit; outcome; result; consequence; in the end; as a result
proof; certificate; identification
cause; origin; root cause
course of events; process
investigation; inquiry; to investigate
Vocabulary in context
These short sentences and mini-scenes make additional lesson words usable instead of leaving them as isolated cards.
Step 4 · Grammar
Build usable sentences
Study the grammar point, then replace the example information with details from your own situation.
Approximate numbers, percentages and multiples
大约… / …左右 / 百分之…HSK4 includes approximate quantities, decimals, fractions, percentages and multiples; state the unit and comparison clearly.
Potential complement: verb + 得/不 + 了
做得了 / 做不了Use 得了 or 不了 after a verb to express whether an action can be completed under the circumstances.
Step 6 · Guided practice
Exercises
Submit the quiz to unlock lesson completion.
Step 7 · Communication task
Writing Practice
Explain a research result carefully
Summarize a simple study or science article for a classmate. Explain what was studied, the result and what the evidence does or does not prove.
Your task
- State the research question and method.
- Include one approximate number, percentage, fraction or multiple.
- Separate observed result from claimed cause.
- Use 得了/不了 to explain one limit of the evidence.
Self-check rubric
- At least three lesson words are used accurately.
- At least one lesson grammar point 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.
Reach at least 70%.
Write at least 95 non-space characters.
Wrong exercise answers are saved to Review so you can return to the exact vocabulary or grammar reference when reliable knowledge links exist.