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【单选题】
在C51语言中,当while语句中的循环条件表达式的值为( )时,结束循环。
A.
0
B.
100
C.
任意值
D.
非0
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【单选题】健壮性边界值测试法,测试成绩录入,成绩范围0=
A.
0,1,99,100
B.
0,1,2,98,99,100
C.
-1,0,1,99,100,101
D.
0,1,100,101
【单选题】Los Angeles is the third ___________ city in the US.
A.
largest
B.
large
C.
larger
【判断题】苏格拉底与柏拉图认为,灵魂的恶就是纵欲与不义。
A.
正确
B.
错误
【单选题】非健壮性边界值测试法,测试成绩录入,成绩范围0=
A.
0,1,99,100
B.
0,1,2,98,99,100
C.
-1,0,1,99,100,101
D.
0,1,100,101
【单选题】What makes a major success in Los Angeles is the strength of his public support.
A.
concentration
B.
intensity
C.
conservation
D.
stress
【简答题】C On May 29, 1973, Thomas Bradley, a black man, was elected mayor of Los Angeles. Los Angeles is the third largest city in the United States, with a population of three million. About six percent ...
【单选题】What makes a mayor successful in Los Angeles is the strength of his public support.
A.
concentration
B.
intensity
C.
conservation
D.
stress
【单选题】Injuries and deaths were relatively less in Los Angeles because the quake occurred at 4:31 a.m. on a holiday, when traffic was light on the city’s highways. In addition, changes made to the constructi...
A.
new computers had been installed in the buildings
B.
it occurred in the residential areas rather than on the highways
C.
large numbers of Los Angeles residents had gone for a holiday
D.
improvements had been made in the construction of buildings and highways
【单选题】Injuries and deaths were relatively less in Los Angeles because the quake occurred at 4:31a.m.on a holiday when traffic was light on the city's highways. In addition, changes made to the constructions...
A.
new computers had been installed in the buildings
B.
it occurred in the residential rather than on the highways
C.
large numbers of Los  Angeles residents had gone for a holiday
D.
improvements had been made in the construction of buildings and highways
【单选题】以下几种细胞类型中,全能性最高的细胞类型是?
A.
形成层细胞
B.
薄壁细胞
C.
厚壁细胞
D.
纤维细胞
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