Bike— Part 1 채점 보고서

제안: 首先，注意语法和发音的准确性，例如把时态改为过去时并使用正确的名词（bike 而不是 back），减少重复和犹豫词（如 "umm"、重复的 "I"）。其次，按照结构先用主题句直接回答，然后用一到两句具体细节支持，使用连接词使表达更连贯，例如 because / so / and。最后，控制答案长度在不超过5句内，避免不必要的停顿。示例改进点：1) 将零散短语合并为完整句子；2) 用具体细节（颜色、是谁送的、何时、和谁一起骑）丰富内容；3) 去掉多余的填充词。

예시: Yes. I had a pink bicycle when I was a child. My mother gave it to me for my birthday, and I used to ride it every day with my friends around the neighborhood. Because it was bright and light, I could ride it comfortably for a long time.

제안: 请注意语法一致性（例如时态与主谓一致： "they are popular" 而不是 "our bikes are popular" 的混乱表达），使用恰当词汇（不要把 "wax" 或 "wig" 用错，应为 "bike" 或 "transport" 等），并用连接词（for example, because, so）组织观点和细节。提供具体例子支持观点，比如共享单车如何节省时间、减少费用、降低污染。避免重复和无意义的填充词，保持回答在3-4句内。

예시: Yes, I think bikes are very popular in China. Shared-bike services are widespread, so many people use them to save time and money. They are also environmentally friendly because they reduce car trips and lower air pollution.

× Yes, absolutely why was a child I had a pink back which boasts from my mother gave me for a birthday gift.

✓ Yes, absolutely. When I was a child, I had a pink bike that my mother gave me as a birthday gift.

句子结构混乱，缺少连词并且词序错误。原句把“When I was a child”写成“why was a child”，将“bike”误写为“back”，并且“which boasts from my mother gave me”结构不正确。建议按正确顺序使用时间从句（When I was a child, ...），将定语从句或关系词用法改为“that my mother gave me as a birthday gift”。

× I I ride this pink one every day with my friends go outside umm, on this pink bike uh, not just a.

✓ I rode this pink one every day with my friends and went outside on this pink bike.

这里时态不一致且句子不完整。问题在于应使用与过去时间（当我还是孩子时）一致的过去时态，因此将“ride”改为过去式“rode”，并用连词“and”连接并列动作“rode... and went...”。另外去掉多余填充词，使句子完整通顺。

× Our bikes are popular in China because we had so many shared bikes and it save time, save money and it's a good for our environment.

✓ Bikes are popular in China because we have so many shared bikes; they save time, save money, and are good for our environment.

主谓一致和数的一致性问题：原句混用了过去式“had”和现在事实应使用的现在时“have”；“it save time”中代词和动词不一致，应使用复数代词“they”并把动词改为第三人称复数形式“save”；“it's a good for our environment”中多了不必要的冠词“a”，并且形容词用法错误，应为“are good for our environment”。建议保持时态一致并注意代词与动词的一致。

× And I think wax is a very greenery. Umm, it's a green, uh, wig.

✓ And I think bikes are very environmentally friendly. Umm, they are green.

词汇使用错误和词性错误：原句把“wax”“wig”误用，且“very greenery”中“greenery”为名词，不可直接用在此位置。应使用形容词短语“environmentally friendly”或简单形容词“green”。同时注意主语一致，从“I think wax”改为“I think bikes”。