题目内容

Directions:This part is to test your listening ability.It consists of 3 sections. Section A Directions:This section is to test your ability to understand short dialogues.There are 5 recorded dialogues in it.After each dialogue,there is a recorded question.Both the dialogues and questions will be spoken only once.When you hear a question,you should decide on the correct answer from the 4 choices marked A),B),C) and D) given in your test paper.

A. 10:45.
B. 10:30.
C. 10:15.
D. 10 o’clock.

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Directions: This task is the same as Task 1. The questions or unfinished statements are numbered 41 to 45. When animals make long journeys across places where there is no food or shelter, such as deserts or oceans, it is very important that they should be able to find their way accurately. Birds find their way by the stars at night and by the sun during the day. People thought that this was impossible. Then some scientists made an experiment. They put some migrating birds(候鸟)in cages inside a planetarium(天象图). When the operator turned the artificial sky(人造天空)round, the birds began to fly to the sides of the cage. Every time he moved it, the birds moved to a new position. Scientists discovered that they always flew toward the direction in which they would have flown if the sky had been real. This proved that they could see the stars and respond to them. Many animals, especially birds, have a very precise sense of time, which is called their “internal clock”. In cloudy weather, birds delay setting off on long journeys, but if the cloud lasts for a long time, they must go at last, to complete their migration in time. In such conditions, they are able to steer(引导)by following the magnetic field(磁场)of the earth. We could say that they have their own special compass inside them, which tells the right direction to go. Most migrating animals travel in groups, sometimes in very large numbers. This makes it more likely that they will find the right way, especially when the group has experienced animals which have made the journey before. What was proved by the experiment mentioned in the passage

A. Birds find their way by the stars at night and by the sun during the day.
Birds can tell the differences between real sky and artificial sky.
C. Birds can see the stars and would move when the stars change position.
D. Birds always fly to the sides of the cage.

阅读文字材料。按要求回答36-40题。人们经常听到“信息”和“控制”这两个字眼,但往往说不清它们的确切含义。实际上,我们每时每刻都生活在“信息”和“控制”中。早晨起来洗脸,先往盆里放一点热水,用手试试是冷还是热,冷或热就是信息,再往盆里加入冷水或是热水,使水温达到合适温度为止,这就是控制。今天天气是冷是热,不知道。看看户外的温度计,它告诉我们天气冷热的信息,就可以控制一下穿衣服的多少,穿好衣服去上班,是迟是早不知道,看看手表,它告诉我们时间信息,就可以控制一下我们骑车的快慢。在日常生活中,类似这样的有关信息和控制的例子,不是到处都有吗人们在生产活动中,更是到处用到信息和控制的基本道理。农民看到庄稼枯黄了,这是信息,赶快施肥浇水,这就是控制。炼钢工人观察钢水的颜色,得到钢水温度的信息,判断是否继续加氧或及时出炉来控制炼钢质量。总之,安排好生活生产离不开信息,也离不开控制。人们积累了多年的生活生产经验,为了减轻劳动强度,提高劳动效率,很自然想到利用仪表和机器自动地获取信息,自动地进行控制,这样就产生了所谓自动化。发展自动化技术的______问题是从信息源中获取信息,再将已得到的信息加以处理,然后是利用信息进行控制。概括说来,信息源可分为三个方面:自然信息源、社会信息源和知识信息源。自然信息源是指来自自然的信息,包括物理、化学、天体、地学、生物等方面的信息。过去谈自动化,只限于利用自然信息进行控制。近年来,更将自动化的应用渗透到企业管理以至家庭生活,于是出现了办公室自动化、家庭自动化这一类新事物。就将自动化技术从工厂扩大到了全社会,因而从社会中自动地提取信息就变得越来越重要了。例如,商情信息、出版信息等等,都是人们生活中所关心的事情。古今中外记录流传下来的知识,专家的经验,都含有丰富的信息,就构成了知识信息源。从知识信息源中,自动地检索到人们所需要的知识,往往可以节省大量的时间和物资。所以说,重视知识是十分重要的。 文章第四段的______处该补入的最合适的词语是()。

A. 主要
B. 重大
C. 首要
D. 关键

After answering the phone, Jane continues(watch) ______ TV.

Mr. Smith(have) ______ two daughters and one son.

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