1 . Human life is regarded as part of nature and therefore the only way for us to survive is to live in h___________ with nature. (根据首字母单词拼写)

2 . The school library provides a ________ (多样性，种类) of original works, hoping they will meet the needs of different students. (根据汉语提示单词拼写)

3 . We're sorry to tell you that there is nothing we can do. The current situation is b________our control. (根据首字母单词拼写)

4 . _________（尽管）some heavy tasks to deal with, Beijing is determined to host a successful Winter Olympics. (根据汉语提示单词拼写)

5 . I do believe it is possible for different nations to live together in ________ (融洽). (根据汉语提示单词拼写）

6 . Things are prettier only when they are appreciated at a d_________.

7 . The customer must pay a reasonable charge for a service, where no price has been fixed in a_________.（根据首字母单词拼写）