The process of task-based teaching can be divided in three steps, namely pre-task, during-task and post-task.

任务型教学的过程分为任务前、任务中、任务后三个步骤。

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Wiley Post knew that any effort has a good chance of success if the person planning the task is well prepared. So he worked hard to prepare well.

威利·波斯特知道，如果准备工作做得好的话，他就有了一个良好的成功机会，所以，他努力做好各项准备工作。

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This is normally done as a post-install task.

这一般是以一个安装后任务实现的。

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He's referring to the fact that the huge post-privatisation task of improving the region's sewerage systems is basically complete and on the supply side, we are blessed with good reservoirs that are fortunately full.

BBC: South West Water customers asked how cash should be spent

The use of these sophisticated weapons, precisely targeted by global positioning satellites, is designed to maximise their effects while limiting collateral damage, which would make the task of post-war reconstruction more difficult.

BBC: Analysis: US 'shock and awe' tactic

And scientists disagree about the long-term damage, thanks partly to the post-Soviet shortage of funding for the huge task of monitoring the lake.

ECONOMIST: Russia's natural jewel is at the mercy of oil money