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Part ADirections: Read the following four texts. Answer the questions below each text by c

Part A

Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points)

"I love Microsoft and Microsoft did not lose me", protested Robert Scoble, a little too loudly, on his blog last week, in a bid to end feverish speculation in the blogosphere about why, exactly, he had decided to leave Microsoft. The software giant's "technical evangelist", Mr. Scoble has become the best-known example of a corporate blogger. On his blog, called Scobleizer, which he started in 2000, he writes about Microsoft's products, and has sometimes criticised them fiercely—thereby both establishing his credibility and, by its willingness to tolerate him, helping to humanise his employer.

As blogging's influence has grown, so bas Mr. Scoble's—both inside and outside Microsoft. Last year, after he blogged against Microsoft's decision to abandon support for a law prohibiting discrimination against gays, the company's managers backed down. He helped write a book, Naked Conversations: How Blogs Are Changing the Way Businesses Talk With Customers, published in January, that has become essential reading for any boss trying to define a new-media strategy for his business.

So why leave? Mr. Scoble has denied several of the theories circulating in the blogosphere, including that he had become fed up with having his expenses challenged or with sharing an office; that Microsoft challenged his views too often; that he had become, frustrated; and that the firm had not tried hard enough to keep him. Still, his friend Dave Winer, another blogger, described Microsoft as a "stifling organisation" before observing that "when he finally decided to leave, it's as if a huge weight came off him, and all of a sudden, the old Scoble is back". He views Mr. Scoble's departure as evidence that Microsoft has been unable to move with the times: "I'm glad to see my old friend didn't go down with the ship". Another blogger says that his departure shows the "end of honest blogging".

The real reason may be less sinister—though troubling for the growing number of employers encouraging their employees to biog. Blogging allows staff to build a personal brand separate from that of their firm; if they are good at it, and build up a readership, that brand may be more valuable to them elsewhere. Mr. Scoble is off to join PodTech. net, a rising star in video podcasting, which is now far more fashionable than blogging and potentially far more lucrative. It seems that Mr. Scoble is most impressed by Rocketboom, one of whose founders, Amanda Congdon, is said to be drawing 300000 viewers a day to her videoblog, and is about to start charging advertisers $85000 a week—almost as much, Mr. Scoble is reported as saying, "as I made in an entire year working at Microsoft".

Which of the following is TRUE accoding to the text?

A.Scoble's blog never gives people the false information.

B.Microsoft doesn't agree with the opinion in Scoble's biog.

C.Scoble will not write anything in his blog when he leaves Microsoft.

D.Scoble's blog becomes the most popular corporate blog in the Internet.

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第1题

MR造影剂的增强机理为()A.改变局部组织的磁环境直接成像B.改变局部组织的磁环境间接成像C.增加

MR造影剂的增强机理为()

A.改变局部组织的磁环境直接成像

B.改变局部组织的磁环境间接成像

C.增加了氢质子的个数

D.减少了氢质子的浓度

E.增加了水的比重

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第2题

MR对比剂的增强机理为()。

A.改变局部组织的磁环境直接成像

B.改变局部组织的磁环境间接成像

C.增加了氢质子的个数

D.减少了氢质子的浓度

E.增加了水的比重

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第3题

MR对比剂的增强机制为A、改变局部组织的磁环境直接成像B、改变局部组织的磁环境间接成像C、增加了氢

MR对比剂的增强机制为

A、改变局部组织的磁环境直接成像

B、改变局部组织的磁环境间接成像

C、增加了氢质子的个数

D、减少了氢质子的浓度

E、增加了水的比重

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第4题

Gd-DTPA可以()

A.缩短T1

B. 缩短T2

C. 改变局部组织的磁环境,间接增强

D. 普遍采用的剂量为0.1mmol/kg

E. 以上全对

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第5题

Gd-DTPA的特性是()

A.改变局部组织的磁环境,间接增强

B. 缩短T1

C. 普遍采用的剂量为0.1mmol/kg

D. 缩短T2

E. 以上全对

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第6题

增强MR成像用()A.泛影葡胺B.磁显葡胺C.两者均可D.两者均否

增强MR成像用()

A.泛影葡胺

B.磁显葡胺

C.两者均可

D.两者均否

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第7题

增强CT扫描用()A.泛影葡胺B.磁显葡胺C.两者均可D.两者均否增强MR成像用()A.泛影葡胺B.磁显葡胺

增强CT扫描用()A.泛影葡胺

B.磁显葡胺

C.两者均可

D.两者均否

增强MR成像用()A.泛影葡胺

B.磁显葡胺

C.两者均可

D.两者均否

脊髓造影用()

A.泛影葡胺

B.磁显葡胺

C.两者均可

D.两者均否

请帮忙给出每个问题的正确答案和分析,谢谢!

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第8题

微泡类超声造影剂成像机理主要是()A.利用造影剂微泡谐振信号B.通过特殊成像技术对谐振信号进行“

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A.利用造影剂微泡谐振信号

B.通过特殊成像技术对谐振信号进行“提纯”并突出显示

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E.以上均正确

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