方舟焦土怎么进入:I get up around six .Is "around"an adverb or an preposition?

In this sentence it is an adverb, not a preposition, see below ADVERB: 6.

If it was a preposition it would be talking about how it relates to a place...We went travelling AROUND China.

From Webster's Dictionary: http://www.websters.com :

Around as an adverb:

1 a : in a circle or in circumference <the wheel goes around> <a tree five feet around> b : in, along, or through a circuit <the road goes around by the lake>
2 a : on all or various sides : in every or any direction <papers lying around> <nothing for miles around> b : in close from all sides so as to surround <people crowded around> c : in or near one's present place or situation <wait around awhile>
3 a : here and there : from one place to another <travels around on business> b : to a particular place <come around for dinner>
4 a : in rotation or succession <another winter comes around> b : from beginning to end : THROUGH <mild the year around> c : in order <the other way around>
5 : in or to an opposite direction or position <turn around>
6 : with some approach to exactness : APPROXIMATELY <cost around $5>

Around as a preposition:

Function: preposition
1 a : on all sides of b : so as to encircle or enclose <seated around the table> c : so as to avoid or get past : on or to another side of <find a way around their objections> <went around the lake> <around the corner> d : NEAR <lives around Chicago> <around the turn of the century>
2 : in all directions outward from <look around you>
3 : here and there in or throughout <barnstorming around the country>
4 : so as to have a center or basis in <a society organized around kinship ties>

Around as an adjective:

1 : ABOUT 1 <has been up and around for two days>
2 : being in existence, evidence, or circulation <the most intelligent of the artists around today -- R. M. Coates>
- been around : gone through many varied experiences : become worldly-wise

The word "around" here is an adverb.

preposition
因为你的句子里已经有get up 这个动词词组，一个句子是不能同时存在两个谓语动词的。

around here is a prep.

Around here is a prep.

adverb