Ⅰ.用所给单词的适当形式填空
1．A ________(violence) tornado hit a village in China the other day.
2．As we all know, a bad eating habit is ________(harm) to one's health.
3．Do you believe the ________(exist) of ghost?
4．There is a ________ expression on his face because of the ________ problem. (puzzle)
5．To me the whole ________(global) is like a family.
答案：1.violent 2.harmful 3.existence 4.puzzled; puzzling 5.globe
