世界经济全球化发展的一个重要表现是（    ）

    Over the years, fried chips have become known worldwide and been enjoyed by adults and children in almost all countries. But do you know the world's First Potato Fry Museum was opened in November, 2013 in Belgium? For the fans of fried chips (French fries), they have a museum of their own!

    The world's first museum of chips, was set up by Eddy Van Belle and his son in Belgium. The museum calls itself "the first and only museum for potato fries".

    Eddy and his son are always proud of their favorite food. Eddy said, "Over the years, fries have become popular throughout the world. We are so proud that they originated from Belgium."

    "So it is normal and necessary that the first fried chips museum is opened in Belgium," Eddy added.

    The museum is in an ancient building with two floors. The museum shows a lot of exhibits, including ancient potato cutters, chip-making machines, and the pictures about the history of potatoes. You can see different potatoes and chips. You can also learn to make chips. It's a great place to learn about the history of fries and enjoy eating them, too! Do you know the biggest fun in the museum? You can eat many kinds of chips!

为了测量调查对象每分钟的心跳次数，甲同学建议测量2分钟的心跳次数再除以2，乙同学建议测量10秒钟的心跳次数再乘以6.你认为哪位同学的方法更具有代表性（  ）

蚂蚁等昆虫的足是____ 的，依靠足部____ 的收缩和舒张，使分节的足产生运动。运动时，一般以一侧的____ 和另一侧的____ 为一组，进行交替运动。