2.4x+1.4=5,那么4.2x+4.1=( )。
a-b-0.5=9.5,那么a-(b-0.5)=( )。(b>0.5)
10.4;10.5
根据上句完成下句,使两句意思相同或相近, 每空一词。
1. The girl is younger than the other girls in her class.
The girl is the _______ in her class.
2. The boy can't surf, the girl can't surf, either.
The girl can't surf. _______ can the boy.
3. Tom went to school in a hurry this morning.
Tom _______ to school this morning.
4. It took the workers 20 hours to do the work.
The workers _______ 20 hours doing the work.
5. To learn English well is not very difficult.
_______ is easy_______ _______ English well.
下列选项中,关于网络需求调研与系统设计的基本原则描述不正确的是( )。
A.从充分调查入手,充分理解用户业务活动和信息需求B.运用系统的观念,完成网络工程技术方案的规划和设计C.各阶段文档资料必须完整与规范D.大型网络系统的建设需要本单位行政负责人对项目的全过程进行监理