在制备离体蛙心标本时,为了保证蛙心的搏动,必须保留的部位是
A. 动脉
B. 静脉
C. 心房
D. 心室
E. 静脉窦
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在入侵检测系统中,不管使用什么操作系统,普遍利用对系统的各种事件、活动进行截获分析的是( )。
A. 对
B. 错
入侵检测系统IDS可以取代防火墙,实现对入侵及网络攻击的防范。
A. 对
B. 错
入侵检测系统包括三个功能部件:信息收集、信息分析、结果处理。
A. 对
B. 错
Fill in the blanks with the proper words given below. Change the form if necessary.suggest hesitate object combination restlessrespect expect contribution subject express1. If they had any for human life they wouldn't do such terrible things.2. Learning to oneself well is an important part of education.3. The journey was not as nice as we had .4. I about taking his side until I knew the whole story.5. I him that we should tackle the problem another way.6. After only a month in the job, he felt and decided to leave.7. We can’t always work with pleasure.8. A bright moving appeared in the sky at sunset.9. He made great to the peace of the world.10. He is said to be writing a paper on this .