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Question 14. What does the author imply about Boston? ==== Passage 3 ==== Could you reproduce Silicon Valley elsewhere, or is there something unique about it? It wouldn't be surprising if it were hard to reproduce in other countries, because you couldn't reproduce it in most of the US either. What does it take to make a Silicon Valley? It's the right people. If you could get the right ten thousand people to move from Silicon Valley to Buffalo, Buffalo would become Silicon Valley. You only need two kinds of people to create a technology hub (中心) : rich people and nerds (痴迷科研的人). Observation bears this out. Within the US, towns have become star, up hubs if and only if they have both rich people and nerds. Few startups happen in Miami, for example, because although it's full of rich people, it has few nerds. It's not the kind of place nerds like. Whereas Pittsburgh has the opposite problem: plenty of nerds, but no rich people. The top US Computer Science departments are said to be MIT, Stanford, Berkeley, and Carnegie-Mellon. MIT yielded Route 128.Stanford and Berkeley yielded Silicon Valley. But what did Carnegie-Mellon yield in Pittsburgh? And what happened in Ithaca, home of Cornell University, which is also high on the list? I grew up in Pittsburgh and went to college at Cornell, so I can answer for both. The weather is terrible, particularly in winter, and there's no interesting old city to make up for it, as there is in Boston. Rich people don't want to live in Pittsburgh or Ithaca. So while there're plenty of hackers (电脑迷) who could start startups, there's no one to invest in them Do you really need the rich people? Wouldn't it work to have the government invest in the nerds? No, it would not. Startup investors are a distinct type of rich people. They tend to have a lot of experience themselves in the technology business. This helps them pick the right startups, and means they can supply advice and connections as well as money. And the fact that they have a personal stake in the outcome makes them really pay attention. ==== Question 14. What does the author imply about Boston? A. It has pleasant weather all year round. B. It produces wealth as well as high-tech. C. It is not likely to attract lots of investors and nerds. D. It is an old city with many sites of historical interest.
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【判断题】一次性调查是指对现象仅作一次调查,以后永远不再调查了( )
A.
正确
B.
错误
【单选题】习惯性便秘患者应选用下列哪种饮食( )
A.
低盐饮食
B.
少渣饮食
C.
高脂肪饮食
D.
高纤维素饮食
E.
高蛋白饮食
【简答题】放样的快捷命令是: ___。
【简答题】常温下 SiO 2 是固体,而 CO 2 是气体,主要原因是 SiO 2 是 晶体 , 熔、沸点 ____ ; CO 2 是 性分子, 是 晶体, 熔、沸点 ____ 。
【单选题】怎样新建一个新文件
A.
touch hello.c
B.
mk hello.c
C.
rm hello.c
D.
new hello.c
【单选题】下列关于细胞免疫的叙述正确的是
A.
T细胞可以直接吞噬靶细胞
B.
Th细胞通过释放细胞因子参与免疫应答
C.
CTL细胞对B细胞的激活和分化起关键作用
D.
T细胞可以直接杀死病原微生物
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A.
RTB 串口物理层 up,协议层 down
B.
RTB 串口物理层 down,协议层 down
C.
RTA 串口物理层 up,协议层保持 up 状态,但 RTA 不能 ping 通 RTB
D.
RTA 串口物理层 down,协议层 down
E.
RTA 和 RTB 串口的物理层和协议层都为 down
【单选题】糖元染色结果临床评价,下列哪项错误
A.
MDS中幼红细胞可阳性
B.
大多数正常淋巴细胞呈阴性
C.
急淋白血病原、幼淋巴细胞阳性率增高
D.
红血病中幼红细胞呈阴性
【多选题】根据经纪合同当事人双方权利义务的分担方式不同,可以将经纪合同划分为( )。
A.
双务合同
B.
单务合同
C.
要式合同
D.
不要式合同
【单选题】常温下 是固体,主要原因是 是( )晶体。
A.
原子
B.
离子
C.
分子
D.
金属
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