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问题 选择题

It takes_____time to go there by plane than by ship.

A．far fewer

B．far less

C．much fewer

D．more less

答案

答案：B

单项选择题

Bluetooth is a universal radio interface in the (71) frequency hand that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc networks. Each unit can simultaneously communicate with up to (72) other units per piconet. Moreover, each unit can simultaneously (73) to several piconets. Eliminates the need for wires, cables and connectors for and between cordless or mobile phones, modems, headsets, PDAs, Computers, printers, projectors, local area networks, and so on, and paves the way for new and completely different devices and applications. Technology Characteristics (74) symbol rate exploits maximum available (75) bandwidth。

A．1.95GHz

B．2.45GHz

C．4.45GHz

D．11.45GHz
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单项选择题

某病人对声光刺激无反应，但压迫其眶上神经有痛苦表情，该病人的意识障碍程度为

A．意识模糊

B．昏睡

C．浅昏迷

D．深昏迷

E．谵妄
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