2 . My ________ is to ________ ________ a business in China after graduation.
我的志向是毕业后在中国创办一家企业。

3 . Through Snow’s tireless efforts, water companies began to sell clean water and the threat of cholera around the world ________ a substantial ________.
通过斯诺的不懈努力，饮用水公司开始出售洁净水，世界各地霍乱的威胁大幅度降低。

5 . Cholera ________ ________ ________ one of the most feared diseases in the world, ________ a British doctor, John Snow, showed how it could be overcome.
在英国医生约翰•斯诺展示如何战胜霍乱之前，霍乱曾是世界上最令人恐惧的疾病之一。

7 . After breakfast, I packed my bag and ________ ________ again.
早饭后，我收拾好行李又出发了。

9 . I found that the work I was doing had been done by other people — ________ ________ ________, I was wasting my time.
我发现我在做别人已经完成了的工作，换句话说，我是在浪费时间。

10 . As a scientist, he decided to ________ ________ ________ ________ scientific research.
作为一个科学家，他决定把他的一生奉献给科学研究。