外汇期货市场( )的操作实质上是为现货外汇资产“锁定汇价”,减少或消除其受汇价上下波动的影响。
A.套期保值
B.多头投机
C.套利
D.空头投机
参考答案:A
下图表示植物细胞的分裂过程,顺序正确的是
A.a→d→b→c
B.a→b→c→d
C.a→c→d→b
D.c→d→a→b
There____________quantities of orange in the bottles and there was _________oranges in the
baskets. [ ]
A. were ; a number of
B. was ; quantities of
C. was ; a good many
D. were ; a quantity of