下列哪一组是相对性状？（  ）

①单眼皮和双眼皮 ②有耳垂和无耳垂 ③能卷舌和不能卷舌

④卷发与黑发    ⑤双眼皮与色盲    ⑥头发左旋与惯用右手．

完成对话
A: How was your vacation, Fred?
B: ____ .
A: ____ ?
B: I went to the U.S. with my parents.
A: Cool! ____  in the U.S.?
B: First we went to Los Angeles(洛杉矶). My uncle lives there. Then we went to New York to see my cousin.
A: ____ ?
B: It was a little warm but sunny.
A: Did you see any movie stars in Los Angeles?
B: No, but I saw Tom Cruise in New York. He was at a restaurant! I got his autograph.
A: Wow! That’s great!  What else did you do in New York?
B: Hmm…Oh yeah, I also went to Central Park.____ there! .

(2015•广东茂名）I am going to       Australia for       important concert.

____是一种测量长度的工具。