Bike— Part 1 채점 보고서

제안: 句子需要更自然且時態一致。回答應直接肯定或否定（I did / Yes, I did），接著用一到兩句補充具體細節，避免冗長或重複。注意把現在完成式與過去式分清，例如談過去經驗用過去式或過去完成要一致。可加一些簡短的感受或結果使回答更豐富。

예시: Yes, I did. I had a small red bike when I was a child, and I learned to ride it when I was about eight. I remember feeling very proud the first time I cycled without help, because it made me feel more independent.

제안: 回答需要更清晰的理由和更準確的表達。避免說法模糊（e.g., 'too many people'），改用具體原因和連接詞（for example, because, so）。提供一兩個具體例子或比較（如在城市通勤、環保）能提升內容。注意語法，應將 'demands in bikes' 改為 'demand for bikes'。

예시: Yes, I think bikes are quite popular in China because many people use them for short commutes in crowded cities. For example, bicycles and electric bikes are common for going to work or the market since they are inexpensive and convenient, and they also help reduce traffic and pollution.

× Yes I have.

✓ Yes, I did.

学生在回答过去拥有某物时使用了现在时的“have”。题问是过去时（Did you have...），回答应使用过去时态。所以应把“Yes I have.”改为“Yes, I did.”。建议：注意跟随问句时态，使用对应过去时形式（did / had）。

× I had a bike when I was a child and I learned to ride a bike when I was about 8.

✓ I had a bike when I was a child, and I learned to ride it when I was about eight.

句子整体为过去时，主要问题是重复使用“a bike”造成冗余，且数字“8”在正式写作中最好用单词。将第二个“a bike”替换为代词“it”更自然。建议：在同一陈述中避免重复名词，使用代词代替；数字小写为单词。

× I think so because there are too many people in China, so there are a lot of demands in bikes and we often ride a bike when we need to walk.

✓ I think so because there are too many people in China, so there is a high demand for bikes and we often ride a bike when we need to go somewhere on foot.

原句中“demands in bikes”搭配错误，正确表达是“demand for something”。此外“when we need to walk”表意不清，意图应为“需要走路去某地时”，更自然的表达是“when we need to go somewhere on foot”。建议：学习固定搭配“demand for”，并用更清晰的短语表达“走路去某地”的意思。