淋巴结转移性癌的确切诊断依据是()
A.淋巴结肿大
B.淋巴结质地变硬
C.淋巴结疼痛
D.淋巴结内出现上皮细胞
E.淋巴结内出现异型性显著的细胞巢
参考答案:E
当PC机采用PentiumⅢ处理器时,下面的叙述中,错误的是:
A.处理器主频一般高于处理器总线工作频率
B.处理器总线工作频率一般高于PCI总线工作频率
C.PCI总线工作频率高于ISA总线工作频率
D.存储器总线工作频率一般不高于PCI总线工作频率
---- Did you see the hit New Year’s movie --- If You Are The One (非诚勿扰) last night ?
---- Yes, but when I got to the movie theater , the film ________ for ten minutes .
A.had begun
B.had been on
C.has been on
D.began