With that information , I sought out Douglas Smith, director of the Center for Brain Injury and Repair at the University of Pennsylvania.A．in handB．in the handC．in handsD．in the hands 题目和参考答案——青夏教育精英家教网——

题目内容

With that information ____, I sought out Douglas Smith, director of the Center for Brain Injury and Repair at the University of Pennsylvania.

A．in hand

B．in the hand

C．in hands

D．in the hands

A

试题分析：考查介词短语的区别。A inhand adv.在手头, 在进行中, 掌握住而；B inthehand是adj表示在手中；有in one's hands表示“受某人的管理，保存或控制的”；没有C、D结构，排除；句意：由于有信息在手头，我找到了在宾夕法尼亚大学的脑损伤与修复中心的主任---道格拉斯史密斯。故A正确。

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D．opportunity

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According to scientists, our mental abilities begin to____ from the age of 27 after reaching the highest level at 22.

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有多余选项。
The Dark Age of Greece
小题1:Among early civilizations, we call the low points "dark ages", because civilizations often dropped to such a low level that it is hard to get an accurate picture of their history during these periods. During a dark age, a civilization may not have produced monuments, statue, or other objects which we use to learn about early civilizations.
One' of the most important dark ages was the dark age of Greece,which lasted from about 1100 BC to 900 BC. Prior to-that-time,Greece had a highly advanced society called the Mycenaean civilization. The Mycenaeans were a trading civilization小题2:In fact, the Mycenaean civilization was so important that when it collapsed in the 12th centuryBC,most other civilizations in the region collapsed as well.The next 200 years are like a blank page to historians and we know very little about this period.小题3:The collapse of the Mycenaeans brought an end to writing in the area, and thus an end to the written records historians rely on.
The little that we know about this period has been learned from archaeology. It seems that civilization became much less advanced. The pottery from this period is much simpler and less artistic. This suggests that there was lack of wealthy people to buy higher quality products. 小题4: This would suggest a large decrease in population, possibly due to a widespread lack of food and consequent starvation.
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B．Many early civilizations underwent dark ages, but Greece never recovered from its dark age.

C．They began constructing larger cities and trading with their neighbors again.

D．Another interesting point is that most of the large cities of earlier time periods appear to have been abandoned in favor of much smaller settlements.

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F.and they did much to spread their culture across the eastern Mediterranean.
G.One major reason for this is that writing basically stopped.

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A．more than	B．no more than
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D．There’re a lot of discussions these days about fit kids.

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