一般来说,商业银行推出的人民币理计划等结构性金融衍生品的流动性都比较好。()
A.对
B.错
参考答案:B
解析:
结构性金融衍生品风险较高,流动性较差。
We bought _____ a present, but _____ didn't like it. [ ]
A. they ; them
B. them; they
C. themselves; their
D. theirs; they
使用钳形电流表时,通常夹在钳口中心的通电导线有()。
A.单根
B.四根
C.双根