以下哪个国家不属于北美自由贸易区的成员国？（）
A.加拿大
B.美国
C.墨西哥
D.古巴
参考答案：D
短发盘发操作时左手按住梳向右的头发，右手梳发向（）。
A.左
B.右
C.上
D.下
Passage Two
Questions 30 to 32 are based on the passage you have just heard.
A. They can make friends with people from other countries. B. They can get to know people of other cultures and their lifestyles. C. They can practice speaking foreign languages there. D. They can meet with businessmen from all over the world.
