Bike— Part 1 채점 보고서

제안: 句子有多处语言错误和表达不自然。应使用正确时态和动词（bought → bought, ever → once/when, write → ride）。回答应更直接并补充具体细节，例如学会骑车的过程或感受，使用连接词使衔接更流畅。控制在最多5句内。

예시: Yes. My father bought me a bicycle when I was seven. At first he taught me how to ride it, and I remember falling a few times before I got the hang of it. After that I rode it to visit friends and explore the neighborhood almost every day.

제안: 内容混乱且有词汇错误（shared bags? boat? limit? last 1 kilometer?），应明确指共享单车(shared bikes)并用正确名词和单位。提供具体原因、例子和影响，使用连接词（for example, because, therefore）提高连贯性。控制在最多5句内。

예시: Yes, shared bikes are very popular in my country because they are convenient and inexpensive. For example, a short ride in the city only costs about ¥2, so many people use them for quick trips. Consequently, they are especially handy for covering the last kilometer between public transport stops and people’s homes.

× My father ever bought me a bicycle when I was seven years old.

✓ My father bought me a bicycle when I was seven years old.

句子中使用了“ever”不符合英语中描述过去发生的具体事件的用法。通常“ever”用于疑问句或否定句（例如：Have you ever ...?），而不是用于陈述句表示过去发生的单一事件。建议去掉“ever”，直接使用过去式“bought”即可。

× At first he taught me how to write it.

✓ At first he taught me how to ride it.

原句使用了“write”显然是词汇误用。这里的上下文是在讲自行车，正确动词是“ride”（骑），而非“write”（写）。此外，结构“teach someone how to + 动词原形”是正确的，故改为“how to ride it”。

× Yes, shared bags are very popular in my country.

✓ Yes, shared bikes are very popular in my country.

原句中“shared bags”显然与上下文不符，应该是“shared bikes”（共享单车）。这是词汇选择错误，导致句子意思不清。建议根据语境选择正确名词。

× They are convenient and cheap. It only costs the boat CN¥2 to limit 1, so many people use them for short trips in cities.

✓ They are convenient and cheap. It only costs about CN¥2 for the first hour, so many people use them for short trips in cities.

原句存在多处错误：1) “the boat”显然是误用词，应为“about”（大约），2) “to limit 1”语法不通，应表达“for the first hour”（第一个小时），3) 句子主语与代词不一致问题已通过改写修正。建议使用常见表达“costs about CN¥2 for the first hour”。

× We usually call it the last 1 kilometer.

✓ We usually call it the last kilometer.

原句中“the last 1 kilometer”中的数字表达可以更自然地写为“the last kilometer”。另外，应避免在正式/书面英语中使用阿拉伯数字直接插入句子，除非必要。语义上“last kilometer”指从地铁等到目的地的最后一段路程，结构上保留“the last kilometer”更自然。