题目内容

写出以下缩略语的完整形式和中文意思：EDI

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证券公司的工作人员必须具有证券从业人员资格。

（）指标的理论基础是市场价格的有效变动必须有成交量作配合，量是价的先行指标。

A. RSI
B. 0BV
C. BIAS
D. KDJ

我国公司在美国证券市场上发行的存托凭证仅限于二级有保荐的存托凭证。（）

从供选择的答案中选出应填入下面一段英文中______内的正确答案。
Bluetooth is a telecommunications industry(1)specification that describes how mobile phones, computers, and personal digital assistants (PDAs) can be easily interconnected using a short-range(2)wireless connection. Using this technology, users of cellular phones, pagers, and personal digital assistants can buy a three-in-one phone that can(3)double as a portable phone at home or in the office, get quickly(4)synchronized with information in a desktop or notebook computer, initiate the sending or receiving of a fax, initiate a print-out, and, in general, have all mobile and fixed computer devices be totally(5)coordinated.
Bluetooth requires that a low-cost transceiver chip be included in each device. The transceiver(6)transmits and receives in a previously unused frequency band of 2.45 GHz that is available(7)globally (with some variation of bandwidth in different countries), In addition to data, up to three voice(8)channels are available. Each device has a unique 48-bit address from the IEEE 802 standard. Connections can be point-to-point or(9)multipoint. The maximum range is 10 meters. Data can be exchanged at a rate of 1 megabit per second (up to 2 Mbps in the second generation of the technology). A frequency hop scheme allows devices to(10)communicate even in areas with a great deal of electromagnetic interference. Built-in encryption and verification is provided.
供选择的答案：
1．globally 2．coordinated 3．multipoint 4．communicate 5．specification
6．transmits 7．wireless 8．double 9．channels 10．synchronized