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A．Revise the reportB．Go to another copy machineC．Ask his classmates to make their own
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从地区分布情况看，东、中、西各地区高速公路总量以及所占比重都存在较明显的差异。东部地区共有高速公路10878千米，占全国高速公路总里程的56％；中部地区5014千米，占25.8％；西部地区3545千米，仅占全国高速公路总里程的18.2％。在各地区的公路总里程中，东部地区高速公路所占比重为2.0%，中部地区为0.9％，西部地区仅为0.6％，中部地区所占比重不到东部地区的一半，西部地区不足东部地区的三分之一。在全国高速公路超过1000千米的7个省中，东部地区有5个，其中山东超过2000千米，达2077千米，河北、广东分别超过和达到1500千米，而中、西部地区高速公路超过1000千米的省各只有1个，分别是河南1077千米和四川1144千米。
按照统计资料，山东高速公路里程占本区域的比例为()。
Man and Computer
What makes people different from computer programs？ What is the missing element that our theories don't yet【51】for？ The answer is simple: People read newspaper stories【52】a reason to learn more about what they are interested in. Computers, on the other hand, don't. In fact, computers don't【53】have interests; there is nothing in particular that they are trying to find out when they read. If a computer【54】is to be a model of story understanding, it should also read for a "purpose".
Of course, people have several goals that do not make【55】to attribute to computers. One might read a restaurant guide in order to satisfy hunger or entertainment goals, or to【56】a good place to go for a business lunch. Computers do not【57】, and computers do not have business lunches.
However, these physiological and social goals give【58】to several intellectual or cognitive(认知的)goals. A goal to satisfy hunger gives rise to goals to find【59】about the name of a restaurant which serves the desired type of food, how expensive the restaurant is, the【60】of the restaurant, etc. These are goals to【61】information or knowledge, what we are calling【62】goals. These goals can be held by computers too a computer might "want" to find out the location of a restaurant, and read a guide in order to do so【63】the same way as a person might. While such a goal would not【64】out of hunger in the case of the computer, it might【65】rise out of the "goal" to learn more about restaurants.
(51)
A．To explain the effect it has on mental illnessB．To suggest that it is easier to diag
In 1796 investigations into the chemical nature of diamond concluded ______a form. of pure
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