基础题
基础题：
题目：Write a short paragraph about how smartphones affect the environment. (Use at least 2 connecting words.)
解答过程：：
1.
观点：Smartphones are convenient but harmful.
2.
连接词1 (转折)：However, they produce e-waste.
3.
细节 (一般过去时/现在时)：Old phones were thrown away, polluting the soil.
4.
建议 (环保建议)：We should recycle them.
参考范文：Smartphones make our lives convenient.
However, they produce a lot of e-waste. Many old phones
were thrown away, which polluted the soil.
Therefore, we should recycle them to protect the environment.
变式题：
题目：Discuss the double effect of online shopping. (Use a complex sentence and one advanced vocabulary word.)
解答过程：：
1.
正面：Saves time, reduces car trips (low carbon).
2.
负面：Packaging waste (plastic boxes).
3.
高级词汇：`sustainable` (可持续的) 或 `packaging` (包装).
4.
复杂句：Although online shopping reduces carbon emissions from driving, it creates excessive packaging waste.
参考范文：Although online shopping reduces carbon emissions from driving, it creates excessive
packaging waste. To make it
sustainable, we should choose eco-friendly boxes.