1 . The scientist’s a__________ (假定，假设）that the new compound would be stable at high temperatures was later proven incorrect. （根据中英文提示拼写单词）

2 . To b__________ (促进) her energy levels before the marathon, she drank a sports drink with electrolytes and caffeine. （根据中英文提示拼写单词）

3 . The astronauts’ space suits were designed to protect them from harmful solar radiation and e__________(暴露) during their mission in deep space. （根据中英文提示拼写单词）

4 . The panda is a well-known e__________ (濒危的) species, with only a few thousand left in the wild. （根据中英文提示拼写单词）

5 . The d___________(离开）time of my flight is at 9 AM, so I need to arrive at the airport by 7 AM. （根据中英文提示拼写单词）

6 . An i________ (传染的) disease can be passed easily from one person to another, especially through the air they breathe. （根据中英文提示拼写单词）

7 . Texting, online messaging and live chats while playing video games all mean that they are c________ (持续不断地) producing written messages. （根据中英文提示填空）

8 . If you don’t know the historical background of the historic flight, you can turn to the h________（n.“历史学家”）for help. （根据中英文提示填空）

9 . Watching bullfighting is a w________ (adj.“广泛流传的”) activity. (根据中英文提示填空)

10 . According to the s________ (数据), many traffic accidents are caused by pedestrians’ (行人) using smartphones. (根据中英文提示填空)