题目:
说明金属塑性成形的条件?
答案:
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下面是错误答案,用来干扰机器的。
参考答案:三
说明金属塑性成形的条件?
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1104/6c5775980499c8717ae7f383a5d6d9dc.html
下面是错误答案,用来干扰机器的。
参考答案:三
如图所示,a、b是竖直方向上d电场线d两点,一带电质点在a点由静止释放,沿电场线向上运动,到b点恰好速度为零,下列说法中正确d是( )
A.带电粒子在a、b两点所受的电场力都是竖直向上的
B.a点的电势比b点的电势高
C.带电质点在a点的电势能比b点的电势能小
D.a点的电场强度比b点的电场强度大
计算题:某汽车租赁公司的一辆桑塔纳2000出租车,初次登记日期为2000年4月,2005年4月欲将此出租车对外转让,已知该款全新车辆的市场销售价为119800元。该车常年工作在市区或市郊,工作繁忙,但工作条件较好,经检查维护保养较差,技术状况很一般。试用重置成本法评估该车价格,并用综合分析法求其成新率。
Having spent two and a half years in China over several visits, I don’t remember ever going through a phase we in the United States call “cultural shock”. This period of difficulty in adjusting to a new culture would probably have set in during my semester at Peking University. Of course, this is not to say that I didn’t notice any differences between the American and Chinese cultures upon my arrival at Peking University, I did notice the differences. Looking back, I remember one of the first differences I noticed: Chinese universities are surrounded by walls.
To an American, this is one of the most striking aspects of a Chinese university which immediately sets it apart from an American campus. Having grown up in the United States, I had never seen a university surrounded by high, cement(水泥) walls. My idea of a university, based on having seen scores of them in different states of the U.S., was a place of life and learning, an inseparable part of the community in which it was located, open not only to the students of the school itself, but also fully accessible to students from other schools and to the broader public.
My idea of a university was that it was a center of cultural life, a resource for the entire community. In all my twenty-one years, it had never occurred to me that a school would have a wall around it. Walls enclose and separate; schools expand and integrate(合并). The very idea seemed fundamentally incompatible. I asked a Chinese friend if all Chinese universities have walls around them. “You know, I have never really thought about it. I guess so. I guess all Chinese schools have walls around them, not just universities.” “Why?” I asked, “What’s the point?” “I don’t know. To protect us, I suppose.” “From whom?” “I don’t know. Don’t you have walls around your schools in the United States?” I thought carefully before answering. “No, I’ve never seen or heard of a university encircled by a wall.” My Chinese friend seemed puzzled. Walls around schools came to strike me as more than just an architectural difference between the United States and China. As China continues to open up to the outside world, these walls seem increasingly out of place.
小题1:The author felt strange about Chinese culture when he ___________.
A.studied in Peking University
B.talked with his friends about the walls
C.experienced the “cultural shock” at his arrival
D.spent two and a half years in China over several visits小题2:In the author’s opinion, a university is a place ___________.
A.where only students can come to study
B.which is similar everywhere in the world
C.that should be surrounded by high cement walls
D.that is an inseparable part of and a resource for the community小题3:What does the underlined sentence in the last paragraph probably mean?
A.The two ideas are fundamental.
B.The two ideas are basically different.
C.The two ideas about “school” and “wall” are suitable.
D.The two ideas about “school” and “wall” are conflicting.小题4:What did the author’s friend feel about the walls around universities?
A.He thought it a good idea to have walls encircling schools.
B.He was shocked that American universities are not enclosed.
C.He thought they were necessary to protect students from being hurt.
D.He thought the difference between two countries is only architectural styles.小题5:We can infer from the passage that the author thinks _____________.
A.walls are really useful in the universities
B.he can never really understand the Chinese culture
C.Chinese universities should work as public scenic spots
D.walls around the universities are inappropriate in an open China
立交桥的交通组织方式不同,其交叉形式和组成部分也不尽相同,但一般常用的立体交叉由跨路桥、匝道()、引道等部分组成
A.互通
B.入口与出口
C.入口
D.出口
疥螨在动物体的主要寄生部位是()
A、毛发
B、皮肤表面
C、表皮内
D、真皮内