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问题 单项选择题

女性，35岁，月经量多已2年。近3个月来感乏力、头晕、心悸，查血红蛋白65g/L，血小板140×109/L，骨髓像显示粒：红为1:1，红细胞增生活跃，中晚幼红细胞45%，体积小，胞浆偏蓝，治疗首选

A．输血
B．脾切除
C．口服铁剂
D．口服叶酸
E．肌注维生素B12

答案

参考答案：C

单项选择题

Questions from 36 to 40 are based on the following passage: There are a lot of “markets”. Some markets are local; you may be willing to compare prices for fruits and vegetables in a few shops in your local area, but you would be unwilling to go across the city to find out more information. Some markets are national. Many firms sell goods across the country. Some markets are global or international. Increasingly, more and more countries are involved in the world economy, whether they know about it or not.However, there are many other markets: labor markets for job seekers, supermarkets for grocery shopping, foreign exchange market, capital market, real estate markets and so on. And we must not overlook the fact that many services such as banking, insurance are also bought and sold on a worldwide scale. But what is a “market” Most people would say, “A market is a place where enough buyers and sellers meet face to face, so that a market price for goods and services can be determined.” However, with rapid growth of telecommunications, it is no longer necessary for buyers and sellers to physically meet to form a market.You may hear the terms “global market” or “global economy”. What do those terms mean to you What do they mean to business today Thanks to the Information Age we are seconds away from the rest of world. Business everywhere recognizes that they can expand their market to anywhere and do business at any time because of the Internet. Now, the Internet is the fastest growing market in the world today, yet buyers and sellers don’t even have to leave their own homes to transact business.In the modern world, a market can take many forms. Generally speaking, a market may be housed in a place, or it may exist only in people’s minds. And a market can be any place or process that brings together buyers and sellers with a view to agreeing to a price.

In the modern world, what a market can take（）

A．A market can be housed in a place.

B．A market can exist in people’s mind.

C．A market can be a place where buyers and sellers meet for bargain.

D．above all
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单项选择题

在异步串行传输时，如果规定采用5位数据位、偶校验和2位停止位，在接收时，如果收到5位数据和1位校验位后，再接收到一位高电平信号和一位低电平信号，其结果表示()。

A．一个字符的数据已正确接收

B．已经开始接收下一个字符

C．传输中出现了奇偶错

D．传输中出现了帧错
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