问题
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设0≤a≤1,0≤b≤1,则()。A.0≤a-b≤0.5B.0≤a-b≤1C.0.5≤a-b≤1D.-1≤a-b≤1
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2岁患儿ⅣBⅡBⅠB⊥ⅠBⅡBⅣB浅凹状龋,探龋蚀较浅,疼(—)。患儿哭闹不合作。应选处理方法A.复合体充填B.玻
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CRASS:A.sophisticatedB.exactingC.braveD.paleE.ornate
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includemain(){inta=1,b=10;do{b-=a;a++;}while(b--0);printf(“a=%d,b=%d “,a,b);}A、a=3,b=
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磁盘中每个扇区的字节一般是()。 A.512B B.512B C.1024B D.1024B
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与正规式(a|b)*等价的正规式是______。A.a*b*B.b*a*C.(a*)|(b*)D.(a*b*)*
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