关于限仓制度,以下说法正确是()。
A、限制投资者最多可持有的期权合约数量
B、限制投资者最多可持有的股票数量
C、限制投资者单笔最小买入期权合约数量
D、限制投资者每个交易日最多可买入期权合约数量
参考答案:A
关于限仓制度,以下说法正确是()。
A、限制投资者最多可持有的期权合约数量
B、限制投资者最多可持有的股票数量
C、限制投资者单笔最小买入期权合约数量
D、限制投资者每个交易日最多可买入期权合约数量
参考答案:A
阅读理解。 | ||
The project, called Hywind, is the world's first large-scale deepwater wind turbine (涡轮发电机). Although | ||
1. The Hywind project uses totally new technology to ensure the stability of _____. | ||
A. the cables which tie the spar to the ocean floor B. the spar which is floating in deep-sea water C. the blades driven by strong and steady sea wind D. the stones filled in the spar below the sea surface | ||
2. To balance a bigger turbine high on a flatting spar, a new type of turbine is to be designed with its gearbox sitting _____. | ||
A. on the sea floor B. on the spar top C. at sea level D. behind the blades | ||
3. Wide applications of deepwater wind power technology can _____. | ||
A. solve the technical problems of deepwater windmills B. make financial profits by producing more turbines C. settle the arguments about environmental problems D. explore low-carbon power resources available at sea |