Bike— Part 1 채점 보고서

제안: 回答较自然且直接，但可更简洁并补充一两个具体细节来丰富内容。避免重复（如“my sister”两次接近重复），并用连接词使句子更流畅。可以给出具体年龄、学会骑车的场景或感受等。建议句子不超过五句。

예시: Yes, I had a bike when I was a child. My dad taught my sister and me to ride it when I was about seven, in a quiet park near our home. At first I was nervous, but after a few tries I became more confident, although my sister picked it up faster than I did.

제안: 回答主题明确但需要更准确的时态和更具体的原因或对比。避免笼统表述，使用连接词（e.g. because, however）并给出现代情况或数据对比，使回答更完整且有说服力。保持不超过五句。

예시: Yes, bikes are still quite popular in my country. In the past, when cars were less common, many people relied on bicycles to commute because they were cheap and convenient. However, nowadays more people use cars and public transport in cities, though cycling remains common in smaller towns and among students.

× Yes, I had a bike when I was a child. My dad taught me and my sister to ride a bike and my sister had uh, my sister learned better than me.

✓ Yes, I had a bike when I was a child. My dad taught my sister and me to ride a bike, and my sister learned better than I did.

问题类型：过去时与代词使用。错误原因：句中“taught me and my sister”在语法上可以，但更自然的顺序是“taught my sister and me”；并且后半句“my sister had uh, my sister learned better than me”语义重复且口语填充词“had uh”无意义，应删去；比较结构“better than me”属于书面语可接受，但更严格的主格形式为“better than I did”。改进建议：去掉多余填充词，避免重复，比较时在正式语境用主格加助动词（I did）。

× Yes, of course, many years ago when there was no advanced car and people like riding bikes to work.

✓ Yes, of course. Many years ago, when there were no advanced cars, people liked riding bikes to work.

问题类型：时态与单复数。错误原因：句子时间状语为“many years ago”，应使用过去时，所以“people like”应改为过去式“people liked”；“no advanced car”应使用复数“cars”或加冠词“an advanced car”，这里指总体应为复数；此外“there was”对应单数也应改为复数“there were”。改进建议：注意时间状语决定时态一致性；名词在讨论一般类别时通常用复数。