已知x，y∈Z，n∈N*，设f（n）是不等式组x≥10≤y≤-x+n表示的平面区

下列叙述中，正确的是

①能发生酯化反应的酸一定是羧酸             ②油脂水解后得到的醇都是丙三醇③天然蛋白质水解的最后产物是多种α—氨基酸  ④淀粉、纤维素、油脂都是高分子化合物 ⑤油脂的皂化、淀粉制葡萄糖、蛋白质的颜色反应均属于水解反应

A．只有①③⑤

B．②④

C．②③

D．①④⑤

（十二）在经济全球化背景下，H国IT产业迅速发展，但该国的基本国情也使得以IT产业为主导的现代服务业面临挑战，读图表，回答问题。

表1  2006年—2008年11国外投资的主要产业部门（百万美元）

现代服务业	609	金融	54
计算机制造	197	化工及相关产品	53
微电子及电器设备	198	制药业	40
现代通信工程	123	食品及日用产品	35

表2  2010年11国、世界平均受教育程度（％）

	15岁以上成人识字率	高等教育毛入学率
11国	61.00	13.49
世界平均	78.60	26.42

小题1:H国外资投入的主要产业部门属于

A．技术密集型

B．劳动密集型

C．资源密集型

D．资本密集型小题2:H国第三产业出现如图所示特点的可能原因是，该产业

A．发展速度在减缓

B．劳动力素质较高

C．金融业比重较小

D．提供就业岗位多小题3:有学者提出H国以IT产业为主导的现代服务业发展难以持续，其主要理由可能是该国

A．人口发展基数太大

B．服务业发展到达顶峰

C．外资投入行业失衡

D．高素质人口比重偏低

遇到这种情形时，应怎么办？（）

A．从行人前方绕行

B．停车让行人先行

C．鸣喇叭提醒行人

D．从行人后方绕行

项目决策分析与评价中，选择市场预测方法要考虑的因素不包括( )。

A．预测内容

B．历史资料的可得性

C．预测人员的资历

D．要求的精确度

We already live in an ever-communicated world that will only become mere so in the next tech era. We’ve (1) that gets us so much information. We’ve got every second (2) , we’ve get computers and laptops, we’ve get personal organizers and we’re just being (3) and every advance in technology seems to create more and more communications at us. We are sort of (4) .
Research suggests that all the multi-tasking may actually make our brains (5) , producing a world-wide increase in IQ (6) and mere in recent decades. Is there any real benefit in (7) we new have to go through
We’re net becoming a race of (8) , but many de think certain skills are enhanced and certain are net. You knew the ability to (9) , to answer a dozen e- mails in five minutes, or to fill out (10) . That’s enhanced. But when someone is out there with his kids (11) or something like that, he’s got his cell phone in his pocket. He’s always wondering, "Gee, did I get a voicemail " This might have negative effects (12) .
Creativity is something that happens slowly. It happens when your brain is just (13) , just playing, when it (14) which you hadn’t thought of, or maybe you have time to read a book. You are a businessperson but you have time to (15) ,or about a philosopher and something that happened long age or something or some idea (16) . Actually, it might occur to you that you (17) in that way, and so it’s this mixture of unrelated ideas that feeds your productivity, (18) . And if your mind is disciplined to answer every e-mail, then you don’t have time for that playful noodling. You don’t have time for (19) . So I think maybe we’re getting smarter in .some senses, but ever-communication is (20) and to our reflection.

We already live in an ever-communicated world that will only become mere so in the next tech era. We’ve (1) that gets us so much information. We’ve got every second (2) , we’ve get computers and laptops, we’ve get personal organizers and we’re just being (3) and every advance in technology seems to create more and more communications at us. We are sort of (4) .
Research suggests that all the multi-tasking may actually make our brains (5) , producing a world-wide increase in IQ (6) and mere in recent decades. Is there any real benefit in (7) we new have to go through
We’re net becoming a race of (8) , but many de think certain skills are enhanced and certain are net. You knew the ability to (9) , to answer a dozen e- mails in five minutes, or to fill out (10) . That’s enhanced. But when someone is out there with his kids (11) or something like that, he’s got his cell phone in his pocket. He’s always wondering, "Gee, did I get a voicemail " This might have negative effects (12) .
Creativity is something that happens slowly. It happens when your brain is just (13) , just playing, when it (14) which you hadn’t thought of, or maybe you have time to read a book. You are a businessperson but you have time to (15) ,or about a philosopher and something that happened long age or something or some idea (16) . Actually, it might occur to you that you (17) in that way, and so it’s this mixture of unrelated ideas that feeds your productivity, (18) . And if your mind is disciplined to answer every e-mail, then you don’t have time for that playful noodling. You don’t have time for (19) . So I think maybe we’re getting smarter in .some senses, but ever-communication is (20) and to our reflection.