皮皮学,免费搜题
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The Internet is becoming important in our daily life. How much do you know about it? What is the Internet? The Internet is a large, worldwide collection of computer networks. A network is a small group of computers put together. The Internet is a collection of many different networks from all over the world. These networks are called the Internet. Once you have learned to use the Internet, you can have a lot of interest on the World Wide Web. What is the World Wide Web? The World Wide Web has been the most popular development of the Internet. The Web is like a big electronic book with millions of pages. These pages are called homepages. You can find information about almost anything in the world on these pages. For example, you can use the Internet instead of a library to find information for your homework. You can also find information about your favourite sport or film star, talk to your friends or even do some shopping on the pages. Most pages have words, pictures and even sound or music. What is email? Electronic mail (Email) is a way of sending messages to other people. It's much quicker and cheaper than sending a letter. If you want to use email, you must have an email address. This address must have letters and dots and an “@” (meaning “at”). This is what an address looks like: email@star.net. Write a message, type in the person's email address, and then send the message across the Internet. People don't need to use stamps, envelopes or go to the post office since the invention of the Internet. Quick, easy and interesting, that's the Internet!
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【单选题】以生产能力利用率表示的项目盈亏平衡点越低,表明项目建成投产后的( )越小。(2011年真题)
A.
盈利可能性
B.
适应市场能力
C.
抗风险能力
D.
盈亏平衡总成本
【单选题】下列哪种息肉癌变很少?
A.
肠息肉病伴粘膜,皮肤色素沉着综合征(Peutz-Jeghers氏综合征)
B.
家族性息肉病
C.
肠息肉病合并多发性软、硬组织的肿瘤(Gardner氏综合征)
D.
结肠乳头状或腺瘤性息肉
E.
成年人直肠息肉
【单选题】以生产能力利用率表示的项目盈亏平衡点越低,表明项目建成投产后的( )越小。
A.
盈利可能性
B.
适应市场能力
C.
抗风险能力
D.
盈亏平衡总成本
【单选题】以生产能力利用率表示的项目盈亏平衡点越低,表明项目建成投产后的( )越小。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
盈利的可能性 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
适应市场能力 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
抗风险能力 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
盈亏平衡总成本 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】不对称的仲醇和叔醇进行分子内脱水时,消除的取向应遵循
A.
马氏规则
B.
次序规则
C.
扎依采夫规则
D.
醇的活性次序
【单选题】一期梅毒典型损害的是
A.
偏平湿疣
B.
树胶肿
C.
软下疳
D.
硬下疳
E.
心血管梅毒
【单选题】以生产能力利用率表示的项目盈亏平衡点越低,表明项目建成投产后的()越小(少)。
A.
盈利可能性
B.
适应市场能力
C.
抗风险能力
D.
盈亏平衡总成本
【单选题】不对称的仲醇和叔醇进行分子内脱水时,消除的取向应遵循
A.
马氏规则
B.
扎伊采夫规则
C.
次序规则
D.
醇的活性次序
【判断题】智利模式缺乏互济性和公平性
A.
正确
B.
错误
【单选题】以生产能力利用率表示的项目盈亏平衡点越低,表明项目建成投产后的( )越小。
A.
盈利的可能性
B.
适应市场能力
C.
抗风险能力
D.
盈亏平衡总成本
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