A-A+
The first lighthouse used ______ to warn ships
问题详情
The first lighthouse used ______ to warn ships when they were near the harbor.
A．fire
B．oil light
C．electric lamps请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：短文中提到：晚问在这些房问里燃起火，火光警告着船只它们离港口很近了。因此答案为A。
考点：
