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【单选题】
计算机两个系统中两个协作进程之间不能用来进行进程间通信的是( )。
A.
数据库
B.
共享内存
C.
消息传递机制
D.
管道
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【简答题】算法的基本特征有 、 、 、 和 。
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【单选题】算法的基本特征是有效性、确定性和()
A.
时间特性
B.
空间特性
C.
分步性
D.
有穷性
【简答题】Mary is an French girl. She is now in Beijing with her parents. Mary doesn’t know much Chinese. But she is trying to learn and speak it. She often speaks Chinese to her Chinese friends, but they don’t...
【单选题】一新生儿出生,其目前存在,以后逐渐消失的反射是
A.
角膜反射
B.
瞳孔对光反射
C.
腹壁反射
D.
拥抱反射
E.
病理反射
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