Transportation and Technology
交通与科技
You can now critically analyze the evolution of transportation technology, articulate nuanced opinions on its influences, and connect complex travel-related ideas with precision.
Consolidate everything from 3 lessons — 0/3 completed.
What You Can Now Do
Four skills you've built across this unit — revisit any lesson to sharpen them.
Listen
You can follow a structured debate on the evolution of transportation technology and identify the use of concessive argumentation and relevant vocabulary.
Speak
You can present a well-reasoned opinion on the impact of technology on transportation, utilizing quasi-suffixes to enhance your argument.
Read & Write
You can construct complex sentences that connect travel-related concepts using conjunctions while demonstrating an understanding of formal linking and vocabulary integration.
Culture & Use
You can navigate discussions about transportation and technology with an awareness of the nuances in language that reflect varying opinions and cultural perspectives.
Vocabulary Review
All 25 words from Unit 19. Tap any word to visit its dictionary page.
Grammar Review
3 grammar patterns covered in this unit.
Parallel Compound: 时而……时而……
时而……，时而…… · shí'ér ... , shí'ér ...Describe alternating states or actions using the literary parallel pattern 时而……时而……
这儿的天气变来变去，时而晴天，时而下雨。
The weather here keeps changing — now sunny, now rainy.
生活就是这样，时而让人失望，时而让人充满信心。
Life is just like this — sometimes disappointing, sometimes filling you with confidence.
她的情绪很不稳定，时而积极，时而消沉。
Her emotions are very unstable — sometimes positive, sometimes depressed.
Parallel Compound: 一时……一时……
一时……，一时…… · yīshí ... , yīshí ...Express rapid or unpredictable alternation between two states using 一时……一时……
年纪太大了，身体一时好一时坏。
Getting too old — the body is good one moment and bad the next.
这家公司的产量一时上升一时下降。
This company's output rises one moment and falls the next.
他的情绪有波动，一时高兴一时悲伤。
His emotions fluctuate — happy one moment, sad the next.
Sequential Compound: ……便……
……便…… · ... biàn ...Use 便 as a formal equivalent of 就 to express immediate sequence or natural consequence
我一走出校门，抬头便看见了她。
As soon as I walked out of the school gate, I looked up and saw her.
她放下电话，衣服没换便往医院赶。
She put down the phone and rushed to the hospital without even changing clothes.
一回到家，他便看到了桌子上的饭菜。
As soon as he got home, he saw the food on the table.
Cumulative Exercises
Practice all vocabulary and grammar from the entire unit in one session.
What stands between you and the cumulative review
3 lessons still need to pass at 80% or higher. Pick one to continue.
Lessons (0 / 3 passed)
Take the HSK 6 Unit 19 Exam
A short mini-mock — listening + reading — drawn from this unit's vocab, grammar, and lessons. The natural next step after this review.