更多"For a long time, researchers have t"的相关试题:
[单项选择]For a long time, researchers have tried to nail down just what shapes us--or what, at least, shapes us most. And over the years, they’ve had a lot of exclamation moments. First it was our parents, particularly our mothers. Then it was our genes. Next it was our peers, who show up last but hold great sway. And all those ideas were good ones—but only as far as they went.
Somewhere, there was a sort of temperamental dark matter exerting an invisible gravitational pull of its own. More and more, scientists are concluding that this unexplained force is our siblings.
From the time we are born, our brothers and sisters are our collaborators and co-conspirators, our role models and cautionary tales. They are our scolds, protectors, goads, tormentors, playmates, counselors, sources of envy, objects of pride. They teach us how to resolve conflicts and how not to; how to conduct friendships and when to walk away from them. Sisters teach brothers about the mysteries of girls; brothers te
A. offer us much useful information.
B. have great influences on us.
C. are the ones who love us completely.
D. accompany us throughout our lif
[填空题]Some researchers tried to study gossips, which they found almost impossible in the lab environment.
[单项选择]Researchers have tried to identify the cause of SARS one way or （ ）, there is, however, a long way to go.
A. other
B. another
C. the other
D. else
[单项选择]For a long time we have worked hard at isolating the individual family. This has increased the mobility of individuals; and by encouraging young families to break away from the older generation and the home community, we have been able to speed up the acceptance of change and the rapid spread of innovative behavior. But at the same time we have burdened every small family with tremendous responsibilities once shared within three generations and among a large number of people—the nurturing of small children, the initiation of adolescents into adulthood, and care of the sick and disabled and the protection of the aged. What we have failed to realize is that even as we have separated the single family from the larger society, we have expected each couple to take on a range of obligations that traditionally have been shared within a family and a wider community.
So all over the world there are millions of families left alone, as it were, each in its own box —parents faced with the spe
