1 . P________ (惊慌)is a sudden strong feeling of fear that makes you unable to think clearly.(根据中英文提示单词拼写)

2 . Walking in the________ (校园), I felt relaxed and forgot all the unhappy things.(根据汉语意思单词拼写)

3 . Within the next 80 years, our lives may be changed b ________ recognition by 3D printing. (根据首字母单词拼写)

4 . Protecting the natural environment includes keeping the original environment untouched, as well as accepting new, _________ (不破坏环境的) ways of feeding farm animals.(根据汉语提示单词拼写)

5 . A polite interruption is usually framed as a request for _________ (允许) to interrupt someone. （根据汉语提示单词拼写）