超短波只能以（）。
A.天波方式传播
B.地波方式传播
C.空间波方式传播
参考答案：C
照样子，写句子。
— How can I get to the science museum?
— Go straight for five minutes. Then turn right.
— How can I get to the __________________?
— __________________ for four minutes. Then __________________.
Britain’s Industrial Revolution took place between （）and （）
