表外业务一般具有()、规模庞大、()、盈亏巨大和()等几个特点。
参考答案:灵活性大;交易集中;透明度低
What do foreign correspondents do to get more information().
A.They discuss with local reporters.
B.They interview eyewitnesses.
C.They talk to local officials.
D.They read more local newspapers or magazines.
0.9%NaCl溶液是()
A.高张溶液
B.低渗溶液
C.等渗溶液
D.高渗溶液
E.低张溶液