1. We don't know why so many people in that region__________________________(喜欢穿那种颜色暗淡的衣服).2. He must have had an accident, __________________________(否则他那时应该已...
1. American football and baseball are __________________________ (通过电视转播而变得为英国人所知).2. ________________ (尽管他很喜欢她), he does get annoyed with her sometimes.3. ...
1. I'd _______________ (考虑到他的名望) with other farmers and business people in the community, and then make a decision about whether or not to approve a loan.2. Only under special circumstan...
1. ___________ (直到天黑了) that she realized it was too late to go home.2. Color and sex are not relevant to _______________________ (一个人是否适合这个职位). 3. Corn originated in ...
Almost all our major problems involve human behavior, and they cannot be solved by physical and biological technology alone. What is needed is a technology of behavior, but we have been slow to develo...
In less than 30 years' time the Star Trek holodeck will be a reality. Direct links between the brain's nervous system and a computer will also create full sensory virtual environments, allowing virtua...
Governments throughout the world act on the assumption that the welfare of their people depends largely on the economic strength and wealth of the community. (1) Under modern conditions, this requires...
They were, by far, the largest and most distant objects that scientists had ever detected: a strip of enormous cosmic clouds some 15 billion light-years from earth. (1)But even more important, it was ...
The differences in relative growth of various areas of scientific research have several causes. (1)Some of these causes are completely reasonable results of social needs. Others are reasonable consequ...
习题：1. The finding of this study failed to _________________________ (将人们的睡眠质量考虑在内).2. The prevention and treatment of AIDS is _____________________________ (我们可以...