【单选题】听力原文: I was a teacher. My home was not far from my school, and l always walked there in the morning. All the pupils in the school were very young. I walked to school on a very cold and windy morning i...
【单选题】I felt it hard to keep up with my classmates. But when I want to _____, my teacher always encourages me to work harder.
【单选题】My teacher told me seriously that I should keep ______of that fellow who always caused troubles.
【单选题】I feel it hard to keep up with my classmates. But whenever I want to ______, my teacher always encourages me to work harder. [ ]
【简答题】淀粉水解试验主要是检测细菌是否能够产生____,使淀粉水解为麦芽糖和葡萄糖,根据淀粉遇碘变蓝的特性检测淀粉是否被水解。
【单选题】I felt it hard to keep up with my classmates. But when ever l want to________, my teacher always encourages me to work harder. [ ]