1 . As English is widely used in the world, to some extent it________ (起作用) as a very important bridge between different cultures. (根据汉语提示单词拼写)

2 . Now, many years later, Dr Yuan has another dream: to e________ his super rice so that it can be grown around the globe. (根据首字母单词拼写)

3 . When boiling rock _____(爆发) from a volcano and crashes back to earth, it causes less damage than you might imagine. (根据汉语意思单词拼写)

4 . Xie Lei told me when I saw her waiting in a ________ (队伍，队列) at the student cafeteria between lectures. （根据汉语提示单词拼写）

5 . Besides, we need friends to share our joys and sorrows,o________ (否则) we will feel lonely. （根据中英文提示填空）

6 . We ran down to the shore in time to see an enormous animal ________ (在……对面) us throwing itself out of the water and then crashing down again.（根据汉语提示单词拼写）