Bike— Part 1 채점 보고서

제안: 回答要直接且自然。你已经有直接回答，但后半句与问题不相关且有语法错误（borrowed a bag 应为 borrowed a bike）。建议在回答后用一到两句补充具体原因或经历，例如谁借给你、多久、为何没买，使用连接词使表达连贯。注意不要超过5句。

예시: No, I didn't have a bike when I was a child. Instead, I often borrowed a bike from a friend who lived next door because my family couldn't afford one. We rode together to the park every weekend, which helped me learn cycling early.

제안: 回答要语法正确且逻辑连贯。你试图表达过去与现在的对比，但时态和句子结构混乱，且重复“popular”。建议先给出总体观点，然后用一两句具体原因作为支持，使用连接词（e.g., however, now, because）并避免多余重复。控制在最多5句。

예시: Bicycles were more popular about ten years ago, but they are still widely used today. However, the reasons have changed: now many people use shared bike services for short trips because they are convenient and affordable.

× No, I didn't have a bike when I was a child. I borrowed a bag from my friend.

✓ No, I didn't have a bike when I was a child. I borrowed a bike from my friend.

原句中第二句使用了“bag（包）”而非与前句语境一致的“bike（自行车）”，这是词汇错误而非时态，但句子时态（过去时）是正确的。根据题意应为“I borrowed a bike from my friend.” 建议：注意连贯性，确保代词或名词与上下文一致。

× Bikes are popular 10 years ago, but now bikes are also popular because.

✓ Bikes were popular 10 years ago, but now bikes are also popular because of shared-bike services.

原句第一部分使用现在时“are”与时间状语“10 years ago（十年前）”冲突，应使用过去时“were”。此外句末不完整，缺少原因内容，需补全为“because of shared-bike services（因为共享单车服务）”。建议：注意时间状语决定动词时态，句子应完整表达原因或删除不完整的‘because’。

× Some because our country has some common shared bikes.

✓ This is because our country has many shared bikes.

原句中开头用“Some because”不合语法，且“common shared bikes”表达冗余且不自然。应改为“This is because”引出原因，并用“many shared bikes”表示数量。建议：用完整连接词引出原因，避免冗余形容词并选择恰当量词。