黑色素瘤MRI上的信号特征是()A．T1WI低信号，T2WI高信号 B．T1WI高信

发布时间：2017-07-23 22:52 │ 来源：www.tikuol.com

题型：单项选择题

问题：

黑色素瘤MRI上的信号特征是()

A．T1WI低信号，T2WI高信号

B．T1WI高信号，T2WI低信号

C．T1WI和T2WI均呈低信号

D．T1WI和T2wI均呈等信号

E．T1WI和T2WI句呈高信号，但T2WI信号有所衰减

考点：医学三基(医技)放射学放射学题库

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梁启超在《变法通议》书中说“变法之本，在育人才；人才之本，在开学校；学校之立，在变科举。而一切要其大成，在变官制”。梁启超认为维新变法，最重要的是[ ]

A．培养人才

B．开办学校

C．废除科举

D．改变政制

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完形填空。
When I was in Idaho, I used to buy fresh produce at Mr. Miller's store. One day, I noticed a small boy hungrily 1 the green peas. The conversation between them 2 me deeply. "Hello Barry. Would you like to 3 some peas home?" "No, I have no money." "Well, what do you have to trade me for them?" "A marble (玻璃弹球)" "Oh, this is blue. Do you have a(n) 4 one?" "Yes." "Take this bag of peas home and next 5 this way let me look at that red marble." "I'm sure I will. Thanks Mr. Miller." Mrs. Miller, who had been standing nearby, came over to help me. With a smile, she said, "There are two other 6 like him in our community. Jim often bargains with them for peas, apples, tomatoes, or whatever. When they 7 with their red marbles, he 8 he doesn't like red after all and he sends them home with a bag of produce for a green or orange marble, perhaps." Several years went by. Just recently I happened to 9 that Mr. Miller had died. I went to the mortuary(太平间)to offer his relatives words of comfort. Three young men walked 10 up to Mrs. Miller. Each of them 11 her spoke briefly with her and 12 Mr. Miller's casket(棺材). Each young man stopped, placed his own 13 hand over the cold pale hand and left, 14 his eyes. When I told Mrs. Miller who I was and 15 the story about the marbles, she said, "Those three young men were the boys I told you about. They just told me how they 16 the things Jim "traded" them. Now, they came to pay their 17 . We've never had much wealth but right now, Jim would consider himself the 18 man in Idaho." With loving 19 , she lifted her husband's lifeless fingers, where there were three shiny red 20 .
( )1. A. staring at ( )2. A. hurt ( )3. A. send ( )4. A. yellow ( )5. A. year ( )6. A. men ( )7. A. ring back ( )8. A. decides ( )9. A. think ( )10. A. pleasantly ( )11. A. missed ( )12. A. moved on to ( )13. A. cold ( )14. A. closing ( )15. A. mentioned ( )16. A. kept ( )17. A. debt ( )18. A. happiest ( )19. A. sadness ( )20. A. diamonds	B. picking up B. excited B. bring B. red B. thing B. women B. come back B. remembers B. learn B. shyly B. worried B. looked forward to B. warm B. opening B. read B. appreciated B. fine B. cleverest B. relationship B. jewels	C. shouting at C. impressed C. drive C. green C. trip C. boys C. speak out C. believes C. see C. naturally C. admired C. took hold of C. wet C. wiping C. wrote C. got C. tax C. healthiest C. gentleness C. stones	D. packing up D. satisfied D. take D. orange D. room D. girls D. try out D. realizes D. understand D. slowly D. hugged D. kept up with D. clean D. raising D. spread D. recognized D. bill D. richest D. voice D. marbles

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绘制列车运行实绩图时，摘挂列车运行线表示为（）。

A、黑单线

B、黑单线加蓝圈

C、黑单线加红圈

D、黑单线加“+”“|”

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磁粉探伤后，零件不需进行退磁的理由是（）。

A、零件下道工序是热处理

B、零件下道工序是垂直方向小规范的充磁

C、下道工序是反向充磁

D、以上都对

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题型：单项选择题

机能主义心理学是在反对（）心理学基础上发展起来的，在1912年之后，就被心理学所取代。

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