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SECTION A MINI-LECTURE Directions: In this section you sill hear a mini-lecture. You will hear the lecture ONCE ONLY. While listening, take notes on the important points. Your notes will not be marked, but you will need them to complete a gap-filling task after the mini-lecture. When the lecture is over, you will be given two minutes to check your notes, and another ten minutes to complete the gap-filling task on ANSWER SHEET ONE. Use the blank sheet for note-taking. 听力原文: Good morning, everyone. Today, we are going to talk about 'American' characteristics. Many typically 'American' characteristics--individualism, self-reliance, informality, punctuality and directness-are a result of those values mentioned earlier. Other 'national traits' could also be identified, however. 1. Americans cooperate-Although often competitive. Americans also have a good sense of 'teamwork' and cooperate with others to achieve a goal. 2. Americans are friendly, but in their own way. In general, friendships among Americans tend to be shorter and move casual than friendships among people from other cultures. This has something to do with American mobility and the fact that Americans do not like to be dependent on other people. Americans also tend to compartmentalize friendships-having friends at work, family friends, friends on the softball team, etc.. 3. Americans ask a lot of questions, some of which may to you seem pointless, uninformed or elementary. Someone you have just met may ask you very personal questions. No impertinence is intended the questions usually grow out of a genuine interest. 4. Americans tend to be internationally naive-Many Americans are not very knowledgeable about international geography or world affairs, they may ask uninformed questions about current events and may display ignorance of world geography. Because the U.S. is not surrounded by many other nations, some Americans tend to ignore the world. 5. Silence makes Americans nervous. Americans are not comfortable with silence. They would rather talk about the weather than deal with silence in a conversation. 6. Americans are open and usually eager to explain. If you do not understand certain behavior. or want to know 'what makes Americans tick,' do not hesitate to ask questions. Just as values and traits differ somewhat from one culture to another, so do the personal habits associated with good manners and courtesy. While very often there does not seem to be any particular reason why a particular way of doing something is considered good manners, observing these cultural rules will make Americans more comfortable with you and therefore you with them, it is, of course, impossible to cover all the possibilities here. If you are unsure in a situation, just ask--Americans like to be helpful. 1. Queuing up or lining up is essential. Courtesy requires that you do not push from behind, stand nest to the person being helped or cut into a line. If you should accidentally bump someone, you should say, 'Excuse me.' 2. Americans blow their noses into a tissue. Spitting, clearing phlegm or sniffing as from a cold are considered rude. 3. It is considered poor manners to slurp, chew noisily or open your mouth while chewing. 4. Questions are seen as a good way of getting acquainted, but questions about a person's age, financial affairs, cost of clothing or personal belongings, religious affiliations and sex life are considered too personal for questioning except between very close friends. 5. Men generally do not hold hands or link arms in public with other men. This is somewhat acceptable between women and quite common between men and women. Now, a few words about personal safety. Unfortunately, in the U.S. one must be aware of crimes. It is wise to be especially careful until you are familiar with the community in which you live. Remember t
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【简答题】开环自动控制系统中出现偏差时能自动调节。( )
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【判断题】开环自动控制系统中出现偏差时能自动调节。( )
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正确
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【判断题】开环自动控制系统中出现偏差时能自动调节
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正确
B.
错误
【简答题】当土处于地下水位以下时,由于受到水的浮力作用,单位土体中土颗粒的有效重度称为重度。(填空1分)
【简答题】当土处于地下水位以下时,由于受到水的浮力作用,单位土体中土颗粒的有效重度称为 重度。
【判断题】大多数固体物质、 气体 物质 的 溶解度随温度升高而增加。
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正确
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错误
【简答题】图1 是甲、乙两种物质的溶解度曲线,图2所示两个烧杯中各盛有20 ℃ 时上述两种物质的饱和溶液。请你通过分析,回答下列问题: (1)溶解度随温度升高而增大的物质是_________ (填“甲”或“乙” )。 (2) 40 ℃ 时,甲物质与乙物质的溶解度_________(填“相等”或“不相等”)。 (3) 80 ℃ 时,100g水中最多可溶解甲物质_________g ,该饱和溶液中溶质的质量分数...
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