From the text, we know that the authors greatest worry is______.
A. our lack of technological understanding of the process involved
B. our lack of technological capability
C. creating technology without really understanding the issues
D. our refusal to face the consequences of the technology we create
查看答案
Why does the author assert that only through travel we "truly touch one another"?
A. He wants to emphasize tourism"s powerful effect on combating social problems.
B. He believes tourism makes it possible for people to help one another.
C. He believes travel is the only way cultures can learn about each other.
D. He thinks that sincere learning of a culture is only possible by travel.