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问题 单项选择题 A1/A2型题

男性患者28岁，农民，1998年夏季因在田间喷洒农药，突然晕倒在地，急诊入院。体检瞳孔缩小，对光反应消失，多汗，流涎，全身抽搐，语言不清，血压18/12.5kPa（135/94mmHg）。此时对诊断最有意义的检查（）

A.肝、肾功能的测试

B.全血胆碱酯酶活力的测定（ChE.为正常值的50%

C.同时测定过氧化氢酶，过氧化物酶

D.心电图检查

E.血清总巯基的测定

答案

参考答案：B

问答题

综合训练。   

(1)在本册中最让你感动的是哪篇课文？为什么？  

                                                                                                                                                          

(2)学完了本册书，你认识了哪些中外名人？选一个你印象最深的写下来，简单介绍一下他的事迹，并说一说你从他的身上学到了什么。

                                                                                                                                                      

(3)请你写出三种破坏环境的行为，再写出三种你平时保护环境的行为。

                                                                                                                                                      

(4)展开联想，在下面的横线上续写句子。

    大自然能给我们许多启示，成熟的稻穗低着头，那是在启示我们要谦虚；一群蚂蚁抬走骨头，那是在启示我们要齐心协力；                        ，                        ；                          ，                               。
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单项选择题

Embedded system is (66) special computer system which is scalable on both software and (67). It can satisfy the strict requirement of functionality, (68) , cost, volume, and power consumption of the particular application. With rapid development of (69) design and manufacture, CPUs became cheap. Lots of (70) electronics have embedded CPU and thus became embedded systems. For example, PDAs, cellphones, point-of-sale devices, VCRs, industrial robot control, or even your toasters can be embedded system.

A．variability

B．security

C．reliability

D．responsibility
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