HIV抗体阳性主要提示下列哪种疾病
A.艾滋病
B.移植物抗宿主病
C.多发性骨髓瘤
D.IgA缺乏症
E.急性淋巴细胞白血病
参考答案:A
The murderer was brought in , with his hands ___ behind him. [ ]
A. being tied
B. having tied
C. to be tied
D. tied
商用车可分为()。
A、客车和货车两大类
B、客车、货车、轿车三大类
C、客车、货车、挂车和汽车列车四大类
D、客车、货车、轿车、挂车和专用车五大类