1 . （2022全国乙卷）As a main promoter of the International Tea Day, the birthplace of tea and the largest tea-producing country, China has a________ (responsible) to work with other countries to promote the healthy development of the tea industry. （所给词的适当形式填空）

2 . Supposedly you can do it in two hours, but we stopped at the different gates and ________ (watchtower) to take pictures... （所给词的适当形式填空）

3 . The rolling sea of clouds you see once you are at the top will remind you how tiny we ______ (human) are.(所给词的适当形式填空)

4 . （2021全国乙卷）________ (activity) there range from whale watching to hiking (远足) and accommodations aim to have a low impact on the natural environment. （所给词的适当形式填空）

5 . Chinese New Year is a ______ (celebrate) marking the end of the winter season and the beginning of spring.（用单词适当形式填空）

6 . Two of the authors of the review also made a study published in 2014 that showed a mere five to 10 minutes a day of running reduced the risk of heart disease and early deaths from all ______ (cause). (所给词的适当形式填空)

7 . Sam always tried hard to win his father’s___________. (根据句意填空)

9 . When they were free from work, they invited us to local events and let us know of an interesting___________(compete)to watch, together with the story behind it. (所给词的适当形式填空)

10 . My name is Mireya Mayor. I’m a __________(science) who studies animals such as apes and monkeys.（用单词适当形式填空）