● A clear definition of the user's needs serves as the direct basis for the:
A Work breakdown structure.
B Functional requirements.
C Project cost estimate.
D Selection of personnel.
E Termination decision.
第1题:
29______
A. happens
B. continues
C. fails
D. serves
第2题:
A) outset
B) outbreak
C) breakthrough
D) breakdown
第3题:
A.very, to
B.too, as to
C.too, to
D.so, to
第4题:
下列是基于过程块的组合逻辑建模的代码,设计正确的是()
A.reg y; reg a,b,clear; ... always@* if(clear) y=1'b0; always@* y=a & b;#B.always@* if (clear) y=1'b0; else y=a&b;#C.always@(a) y=a & b;#D.reg [1:0] s; ... case(s) 2'b00:y=1'b1; 2'b10:y=1'b0; 2'b11:y=1'b1; endcase第5题:
第6题:
A、a work / are / works
B、a job/ is/ work
C、a work/ is/ job
D、work/ is / job
第7题:
A.Direct-pathexportistypicallyfaster.
B.Direct-pathexportcanbeinvokedinteractively.
C.Direct-pathexportischaractersetindependent.
D.Direct-pathexportbypassestheSQL-commandprocessinglayer.
E.Direct-pathexportcanbeusedtoexportrowscontainingLOBsandBFILEs.
第8题:
More and more young people are trying to do something _____ the old.
A. served B. to serve C. serve D. serves
第9题:
第10题:
【单选题】创建一个新用户user01,设置其主目录为/home/user01。
A.#useradd –s /home/user01 -m user01
B.#useradd –d /home/user01 user01
C.#useradd –h /home/user01 -m user01
D.#useradd –c /home/user01 -m user01