高增长行业对经济周期性波动提供了一种财富“套期保值”的手段,因此投资者对其十分感兴趣。()
参考答案:对
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
红细胞破坏后,受何者吞噬()
A.单核-巨噬细胞系统
B.单核细胞
C.中性粒细胞
D.脾
E.肝