简述商品交易所的交易者。
参考答案:
商品交易所的交易者:(1)投机散户(2)投机大户(3)经纪公司(4)场内经纪人
27.—Oh, how depressed! I am bound to lose to him in tomorrow’s competition.
—Cheer up! In fact, he is___________than you!
A.not more nervous
B.no more nervous
C.no less nervous
D.a little less nervous
IDR电路调制方式()。
A.MSK
B.QPSK
C.QAM
D.OFDM