chọn từ đúng
1/un world day for cultural diversity for dialogue and development on May 21 is a chance to celebrate the cultural diversity of people around us and find out more about what  we have 
A as usual        B as  normal    C IN COMMON         D alike
2/nations where there is much cultural  diversity can also sometime be known as a 
A  multi-ethnic society  B multidimensional problem  C multicultural society          D cultural uniformity
3/to many .......street vendors, the success of  their day is determined by how it start...
 Asuperstition      Bsuperstitious