1 . 他轻轻一笑作为对她的问题的回答。(in response to; gentle) (汉译英)

4 . 我刚才问了他几个问题。(ask) (汉译英）

5 . Decades later, however, plastic’s very durability (耐用性) is raising questions about how appropriate it is for one-time products such as plastic bags, or short-lived consumer goods, used in the home for a few years and then cast into a landfill where they will degrade for centuries. (英译汉)
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6 . 随着海伦的知识面和词汇量的扩大，她提出越来越多问题。（汉译英）
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