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[单选题]
对PNET、Ewing’s、Askin三者的认识，错误的是（)。
A.Ewing’s多见于骨和部分软组织，细胞分化差
B.Ewing’s多见于胸肺部，细胞分化好
C.PNET多发生于全身软组织和神经系统，细胞分化好
D.Askin多见于胸肺部，细胞分化差
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题目内容
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A.Ewing’s多见于骨和部分软组织，细胞分化差
B.Ewing’s多见于胸肺部，细胞分化好
C.PNET多发生于全身软组织和神经系统，细胞分化好
D.Askin多见于胸肺部，细胞分化差
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更多“对PNET、Ewing’s、Askin三者的认识，错误的是(…”相关的问题
As 5-year-old children opt to play computer learning games instead of using traditional learning toys, and middle schoolers would not even think to research a school project with a physical encyclopedia, the staying power of the little wooden pencil-like the ones George Washington used-seems remarkable.
Not only are pencils still used in classes like art and math, the good old No. 2 pencil is the key to the multiple-choice, computer-graded tests that open doors to the nation's universities and graduate programs.
Tom Ewing, spokesman for the Educational Testing Service, which administers tests like the SAT, GRE and GMAT, said that while the number of people taking them on computers is increasing, the paper and pencil versions still predominate.
Ewing said that in fiscal 2004 the number of people who took the tests on computers was only a fraction of those using pencils--only about 1. 6 million people on computers, compared with about 23. 7 million using paper and pencil.
Ewing cited several reasons for this difference: "Wider use of computers is hampered somewhat by availability--where can you find computers for 25 million people？ Sometimes it is security, the need to have a proctor, and sometimes it is cost."
He said ETS would like to increase the number of computer tests, though a major shift is far down the road. "For the foreseeable future paper and pencils remains the reliable workhorse of educational measurement," Ewing said.
Lack of access to computers is one of the major reasons computer testing is still far behind traditional pencil tests, said Tim Loomer, president of testing and assessment and Scantron Corp. Scantron provides many of the multiple-choice tests in K-12 education.
Though there is a trend toward online testing, there has not been a real drop-off in paper and pencil testing, Loomer said. "Not everyone has a computer, but I guarantee you can get everyone a pencil," Loomer said.
Technological initiatives, such as Duke University's plan to hand out free iPods to incoming freshman, have not reduced demand for pencils. The university is giving out the small electronic devices to allow students to listen to lectures, browse course bulletins or practise pronunciation for language classes.
Mike Finn, spokesman for PaperMate, which says it is the biggest producer of pencils in the United States, said pencils are still popular and necessary. Demand for pencils is strong, he said, but children are interested in more modern pencil options, not just the simple yellow wooden pencil. An increasing number of children are opting for mechanical pencils or color pencils, but PaperMate's general sales of pencils have not waned as technology increasingly enters classrooms and children's homes, he said.
Musgrave Pencil Co. in Shelbyville, Tenn. , has seen an increase in preference for fancy pencils in recent years. Lynn Hulan of Musgrave said the pencils preferred today tend to have bright colors and often include slogans such as "I Love to Read" and "Honor Roll". At Burning Tree Elementary School in Bethesda. Md. , No. 2 pencils are always on the school supplies list, Principal Helen Chaset said. In Judy Shapiro's math classes at Burning Tree, pens are not allowed, and she does not know of many teachers who allow pens in math. "Kids that try to use pens tend to not want to check to see if they have made an error" because they know they have to cross out a mistake and then it can be seen, she said. As for calculators, Shapiro said they may be used to check over work, but most work is done with paper and pencil. If students rely only on calculators, they will not be able to do basic tasks like adding and
A．Pencils.
B．Mobile phones.
C．Computers.
D．Suitcases.
Which of the following is true according to the text？
A．Children usually obey without asking questions.
B．Children are passive in the process of learning to speak.
C．Children are born to make noises.
D．Children learn to speak by listening.
A.Sitting up straight and planting your feet firmly on the floor during an interview is a must.
B.Shaking hands with every interviewer is polite in behavioral interview.
C.Putting some personal items like mobile phones on the table is allowe
D.Ask for clarification if you're not sure what the interviewer is askin
W: Yes, he specifically asked us not to be late. Some of the people from our East York branch office are coming, and he wants to make a good impression on them. How are you getting there？
M: I was thinking of taking my car, but I think I am just going to take the subway because there is construction on the highway. What about you？
W: I will be taking the subway as well. Why don't we go together？ I've been to the convention center only once, and I am not sure if I can find my way around there.
What did Mr. Ewing ask of the speakers？
A．To help out at the conference center.
B．To be kind to their branch office workers.
C．To be prompt this afternoon.
D．To avoid taking the highway.
A.最常见的表现是疼痛,早期疼痛轻微,多为间断性,后疼痛逐渐加重
B.大多数病例病情发展非常迅速,有时在脊柱和骨盆部位可出现放射性疼痛
C.疼痛出现不久很快出现肿块,有时肿块增大迅速,表现为局部发热,肿胀,压痛明显
D.间歇性发麻
A.甲应以个人名义提起不服被限制人身自由处理决定的行政诉讼
B.甲、乙、丙三人应以“三子网苑”的名义提起不服责令停业整顿处罚决定的行政诉讼
C.除非甲在S区起诉，否则不服被限制人身自由及停业整顿两个不同的行政诉讼是不可能被同一个法院合并受理的
D.对停业整顿处罚决定不服提出起诉的，乙、丙不是适格原告
德国发动Blitzkrieg (“闪电战”)的主要作战原则是三“S”原则。问：下面那个选项不属于三“S”？
第 76 题 和平基金会决定中止对S研究所的资助，理由是这种资助可能被部分地用于武器研究。对此，S研究所承诺：和平基金会的全部资助，都不会用于任何与武器相关的研究。和平基金会因此撤销了上述决定，并得出结论：只要S研究所遵守承诺，和平基金会的上述资助就不再会有利于武器研究。
以下哪项最为恰当地概括了和平基金会上述结论中的漏洞？（）
A.人参二醇
B.20(S)原人参三醇
C.人参三醇
D.20(S)原人参二醇
E.达玛烷型
