更多"Scientists are working hard to come"的相关试题:
[单项选择]Now I must work twice as hard to catch up with others.（）
A. 我现在必须花两倍的时间，为的是赶上别人。
B. 我现在必须加倍努力，与别人保持同步。
C. 我面对双重困难，依然不落后他人。
D. 我现在必须加倍努力才能超过别人。
[单项选择]Scientists have been trying to come up with biological explanations for the difference between boys and girls.
A. 科学家们已经努力提出用生物学来解释男孩与女孩间的这种并异。
B. 科学家们已经试图把男生与女生之间的差异用生物来解释。
C. 科学们一直试图从生物学的角度来解释男孩和女孩间的差异。
D. 科学家们已经试图提出男孩和女孩生理上的差异。
[单项选择]Scientists have come up with a theory for why time flies when you are having fun and drags when you are bored.
Scans have shown that (62) of activity in the brain change depending on how we focus on a task. Concentrating on time passing, as we do when bored, will (63) brain activity which will make it seem as though the clock is ticking more (64) . The research, by the French Laboratory of Neurobiology and Cognition, is (65) in the magazine Science.
In the study, 12 volunteers watched an image while researchers (66) their brain activity using MR/ (核磁共振成像) scans. Volunteers were given a variety of tasks. In one they were told to concentrate simply on the duration of an image, in (67) they were asked to focus on the color, and in a third they were asked to concentrate on both (68) and color. The results showed that a network of brain regions was (69) when more subjects were paid attention to duration.
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