Which of the following are possible reasons for more fr...
问答题Which of the following are possible reasons for more frequent cross-cultural communication today?
A、More families (e.g. in China) could afford travelling abroad
B、Going abroad is easier in terms of transportation
C、Studying overseas is getting more popular in some places of the world
D、The Internet makes it easy to contact foreigners
E、Economical globalisation
F、Global problems call for international cooperation.
=5，其理论变色范围是（ ）。