本周进行的很顺利，一些同学做了附加的练习（练习篇子和练习册），我们已经完成了第二单元的学习，很快我们将开始复习。

Now this week went on well and some of the students did extra work (worksheets and finish their workbook), we have completed unit two and we will start reviewing soon.

youdao

作为一个附加的好处，这个示例应用程序也使您能够练习对于所有GAE项目来说均非常重要的一些任务，如写入和读取二进制文件。

As an added benefit, the example application also lets you practice tasks that are key to any GAE project that writes out and serves up binaries.

youdao

你可以在复印机上很快地复印出附加的几份练习。

You can quickly roll off some extra copies of the exercise on the duplicating machine .

youdao