Practice
Practice All Topics (Mixed)
Random questions from every topic · 12 questions
Pick a topic to drill
Read scientific / technical passages. Example: 光合作用 (photosynthesis) in a lab-report context.
2 questions
STEM-vocab cloze — chemistry, physics, biology terms in context. Example: 实验过程中应严格 ___ 操作规程 → 遵守.
2 questions
Identify technical characters. Example: 浓 (concentrated) vs 稀 (dilute) vs 溶 (dissolve).
2 questions
Pick the right technical near-synonym. Example: 试验 (trial) vs 实验 (experiment) vs 检验 (verify).
2 questions
Complete sentences in scientific contexts. Example: 温度越高，化学反应 ___ 越快 → 速率.
2 questions
Order experimental procedure steps. Example: 目的 → 方法 → 结果 → 结论.
2 questions