A．series B．package C．1ine D．pair
A. series
B. package
C. 1ine
D. pair
查看答案
佣金是投资者在委托买卖证券成交后按成交金额一定比例支付的费用，是证券交易所为客户提供证券代理买卖服务收取的报酬。()
A. 正确
B. 错误
How did the robot behave at the beginning of the test？
A. It rotated its wings through 90 degrees
B. It twitched（骤然一抽）but gradually gained height
C. It was twitched and broke down
D. It landed not 10ng after the test
A．which B．where C．why D．that
A. which
B. where
C. why
D. that
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