科学技术 through practical Chinese.
4 official Level-2 groups lead to 11 complete scenario tasks.
Choose a focused group.
Each group opens its first Level-3 task inside the complete scenario practice workspace, without creating another public directory route.
Open 4 official Level-3 tasks in scenario practice.
航2 scenesLEVEL-2 TOPIC航空航天科学技术Open 2 official Level-3 tasks in scenario practice.
生3 scenesLEVEL-2 TOPIC生物科学技术Open 3 official Level-3 tasks in scenario practice.
其2 scenesLEVEL-2 TOPIC其他新兴科学技术Open 2 official Level-3 tasks in scenario practice.
See how the area becomes action.
Open a lesson for dialogue, three verified words, a context decision, and complete speaking lines.
Explain data migration, calculation logic, testing, and rollback.
航16 min 航天航空科技 · 02Delay astronaut training when high-altitude weather breaks the safety envelopeDiscuss a safety-critical aerospace decision using thresholds, roles, and a return condition.
农16 min 生物科技与农业 · 03Test a drought-tolerant crop before promising it will benefit every farmEvaluate an agricultural biotechnology claim using comparison, local variation, and farmer choice.
材16 min 先进材料与制造 · 04Move an advanced material from a lab sample to a reliable productEvaluate an advanced manufacturing claim across production, use, and end-of-life conditions.