诊断HIV感染的金标准是（）
A.病毒载量测定
B.CD4+淋巴细胞检测
C.HIV抗体检测
D.血培养
E.P24抗原检测
参考答案：C
I phoned my first teacher time and again when I heard that he was ill, yet couldn’t_______
A．get through
B．get along
C．get over
D．get hold of
简述《戈拉》的艺术特色。
