单项选择题

A．Early miners.
B．Spanish explorers.
C．African naturalists.
D．Early industrialists.
<上一题 目录 下一题>
热门 试题

单项选择题
A．George and his wife travel abroad for the holiday this year.B．George asked a friend for advice about a trip abroad.C．George gets some advice from a friend about his possible trip abroad.D．George and his wife would like to travel abroad this holiday but they are still hesitating to do so.
A．George and his wife travel abroad for the holiday this year.
B．George asked a friend for advice about a trip abroad.
C．George gets some advice from a friend about his possible trip abroad.
D．George and his wife would like to travel abroad this holiday but they are still hesitating to do so.
填空题
If the storage problem is______, a network of hydrogen stations and the transportation infrastructure will have to develop around it.
相关试题