HW5

1.fear
an unpleasant emotion or thought that you have when you are frightened or worried by something dangerous, painful, or bad that is happening or might happen
ex：I'm fear for  caterpillar.

2.artifical
made by people, often as a copy of something natural
ex：I like this artifical necklace.

3.I think tourist will spoiling environment , because they will bring a lot of garbage when they are visit tour sight, like：tissue、a bottle of water、plastic bag and so on.

Relatively, these sight creat more business opportunity to tourist,and it can increase stores income,is good to ecnomy.