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问题 单项选择题 A1/A2型题

阻止患者作业能力下降的措施有（）。

A.预防

B.治疗

C.代偿

D.以上均对

E.以上均不对

答案

参考答案：D

解析：阻止患者作业能力下降的措施有预防、治疗、代偿、强化等。

选择题

下列四组词语中都有错别字，其中只有一个错别字的一组是  

A．发聋震聩力透纸背履险如夷披沙炼金

B．欺世盗名穷形尽像苦心孤脂畏葸不前

C．归真反璞手足胼胝始作佣者歃血为盟

D．管窥蠡测放荡不羁相形见拙物竟天择
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单项选择题

Flow control is a function that prevents network congestion by ensuring that (66) do not over-whelm (67) with data. There are three commonly used methods for handling network congestion. (68) is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (69) are used by receiving devices to help prevent their buffers from overflowing. (70) is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

（66）是（）

A. transmitting devices

B. transmitted devices

C. receiving devices

D. received devices
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