更多"Net-war in the 1990' s targets_____"的相关试题:
[填空题]设有一个顺序栈S,元素s1,s2,s3,s4,s5,s6依次进栈,如果6个元素的出栈顺序为s2,s3,s6,s5,s1则顺序栈的容量至少应为()。
[单项选择]设有一顺序栈S,元素s1,s2,s3,s4,s5,s6依次进栈,如果6个元素出栈的顺序是s2,s3,s4,s5,s6,s1,则栈的容量至少应该是
( )
A. 2
B. 3
C. 5
D. 6
[单项选择]考虑下述文法,S为开始符号
G1[S]:S→A
A→aAb | ab
G2[S] S→A
A→aA |a|
下列结论中为真的是()。
A. G1是LR(0)文法,G2不是LR(1)文法
B. G2是LR(0)文法,G1不是LR(1)文法
C. G2是LR(1)文法,G1不是LR(1)文法
D. G1和G2都是LR(1)文法
[单项选择]常用的数据传输速率单位有kbit/s、Mbit/s、Gbit/s与Tbit/s,则1Mbit/s等于______。
A. 1×103bit/s
B. 1×106bit/s
C. 1×19bit/s
D. 1×1012bit/s
[单项选择]What's the author's comment on Carl Sandburg's biography of Lincoln
[单项选择]In the 1850's Harriet Beecher Stowe's Uncle Tom's Cabin became the best seller of the generation, ______ a host of imitators.
A. inspiring
B. inspired
C. inspired by
D. to inspire
[单项选择]若有两个字符串s1="12345",s2="34",执行s=Instr(s1,s2)后,s的值为( )。
A. 2
B. 3
C. 4
D. 5
[单项选择]SETTALKOFF STORE 0 TO S N=20 DO WHILE N>S S=S+N N=N-2 ENDDO S RETURN 上列程序的运行结果是
A. 0
B. 2
C. 20
D. 18
[单项选择]What's the author's attitude in the phrase "of a sort" ( Para. 4)
A. Questioning.
B. Neutral.
C. Positive.
D. Negative.
[单项选择]防水混凝土抗渗等级分级为S2、S4、S6、S8、S10、S12,若在防水混凝土抗渗等级试验中加压至1.2MPa,经8h后第三个试件仍不渗水,则停止试验,试件的抗渗等级以()表示。
A. S6
B. S12
C. S8
D. S10
[判断题]延时型剩余电流动作保护器的延时时间优选值为0.2s、0.4s、0.8s、1s、1.5s、2s。
[判断题]胰岛素分子中含有A7-S-S-B7,A20-S-S-B19和A6-S-S-A11三个二硫键,这些属于二级结构的内容。
[单项选择].In the late 1970’s and early 1980’s, the United States developed the reusable space shuttle ________to space cheaper and easier.
A. to make access
B. and making access
C. which made accessible
D. and made accessible.
[单项选择]己知某文法G[S]:S→0S0 S→1,从S推导出的符号串可用()(n≥0)描述。
A. (010)n
B. 0n10n
C. 1n
D. 01n0
[单项选择]由CaCO3(s),CaO(s),BaCO3(s),BaO(s)及CO2(s)构成的平衡体系,其自由度为:()
A. f=2
B. f=1
C. f=0
D. f=3
[单项选择]What's the author's attitude
A. Subjective.
B. Neutral.
C. Pessimistic.
D. Activ
[单项选择]What's the girl's problem