【简答题】What is the message the author intends to convey? A) Global warming is more of a moral issue than a practical one. B) The ultimate solution to global warming lies in new technology. C) The debate over...
【简答题】What is the author’s attitude towards science? A) He is depressed because of the ignorance of scientists. B) He is doubtful because of the enormous difficulties confronting it. C) He is confident thou...