【单选题】按照网络作用的地理范围可以将计算机网络分为()
【简答题】用be的正确形式填空。 1. There _________ a piano against the wall. 2. There _________ some flowers on the desk. 3. There _________ some tea in the cup. 4. There _________ two tins of coke in the bag. 5. There _...
【简答题】听录音,在每组句子中选出一个你所听到的句子。 ( )1. A. I can see a map on the wall. ( )2. A .Do you like Chinese tea? ( )3. A. What food do you like? ( )4. A. The best time to come to China is in spring. ( ...
【单选题】______ is a clock on the wall.
【单选题】计算机网络通常按照作用范围分类,可分为()
【单选题】某二叉树共有399个结点,其中有199个度为2的结点,则该二叉树中的叶子结点数为
【单选题】有关计算机网络的下列说法,错误的是( )。
B.
.按照网络覆盖的地理范围,可将计算机网络分为广域网( WAN )、局域网( LAN )和城域网( MAN )
C.
.环形拓扑网络中任何一台计算机的故障都会影响整个网络的正常工作,故障检测比较困难,结点增、删不方便
【简答题】15 ( ) 1 He put up a map ___ the back wall because there was a hole ___ it. A. on; on B. at; in C. on; in D. on; at ( ) 2 There is a door___ the wall. "t a ^nc A. on B. to C. of D.in ( ) 3 This kind o...