4 . 尽管面临种种困难，任正非仍致力于关键技术的创新。(汉译英)

5 . 我们需要采取措施拯救濒临灭绝的物种，包括建立专门的动植物保护区。(汉译英)

6 . 他过去总是用很多实际的例子和简单的语言解释那些似乎很难的事情。(汉译英)

10 . 选词填空

ought to                  be fed up with             suffer from          in case make a living            sign up                       prefer to               due to

1. The gloves and mouth guards also help, ________ anything happens.
2. This is the place where you can ________ for the Annual Fun Run.
3. Amelia was not able to _________ as only a pilot, so she worked several jobs.
4. I _________ getting sick. And I feel awkward failing PE exams.
5. Everyone ________ stress at some times in their life—teachers, doctors, factory workers and newspaper editors.