1 . After hundreds of failed experiments, they ____________ (偶然发现了治疗方法) for Cholera. (根据汉语提示完成句子)

2 . ____________ (除了智慧之外), he showed his potential in space exploration during the process of the research. (根据汉语提示完成句子)

3 . For Scott’s team, it’s also a race between the terrible natural condition and their perseverance and ______ (勇敢). (根据汉语提示单词拼写)

4 . She was invited to Atlanta to deliver a______ (讲座) on the history of art.. (根据汉语提示单词拼写)

5 . His burning a______ is to be admitted into Stanford Law School with his efforts in the future. (根据首字母单词拼写)

6 . He came up with an idea for hybridizing rice in the 1960s when China was attacked by many natural d ______. (根据首字母单词拼写)

7 . Please cancel all the________ (appoint) in the afternoon for me. (所给词的适当形式填空)

8 . His positive _________ inspired many people who were stuck in illness. （根据句意单词拼写）

10 . He studied hard in an _________ (努力，尝试) to pass the exam. （根据汉语提示单词拼写）