英语作文，喜欢无人驾驶汽车的理由？
Selfless driving is the result of technology development. Selfless driving can help people s***e energy and time. In addition selfless driving can ***oid traffic accidents. The road will be safer than before.
丝绸之路的优缺点是什么？用英语回答？
1、丝绸之路成为连接东西方的古代交通大动脉。
The Silk Road became the main traffic artery connecting eastern and western Ancient times.
2、丝绸之路促进中外文化交流。
The Silk Road promotes cultural exchanges between China and foreign countries.
3、丝绸之路促进东西两大文明的交融，推动历史发展的进程。
The Silk Road promotes the integration of Eastern and Western civilizations and the process of historical development.
4、海上丝绸之路的开拓加强了中国和东南亚，南亚各国的关系，从水路沟通了东西外交圈之间的练习。
The exploitation of the Maritime Silk Road has strengthened the relations between China and countries in Southeast Asia and South Asia, and has communicated the practice between East and West diplomatic circles from the waterway.
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这套英语学习教材在场景化的绘本故事中，融入了词汇、歌曲，以及跟随课程进度的形成性评价及测试。同时，该教材内容难度实现与剑桥少儿英语（YLE）、剑桥通用英语（MSE）以及欧洲语言共同参考框架（CEFR）等国际英语测评及语言能力标准对标匹配。
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