A-A+
Why does the author mention a steamship？A．To i
问题详情
Why does the author mention a steamship？
A．To illustrate that man can make use of sources of energy from the sea.
B．To show that a steamship is better than other kinds of ships.
C．To argue that man should use steamships.
D．To indicate that it is warmer in the ocean than on land.
参考答案
正确答案：A
解析：作者在文章中提到蒸汽船，就是为了说明人类可以利用很多种海洋资源。文章第四段说，除了石油和天然气，海洋还提供了很多新能源，接着就以蒸汽船为例证明这一点。
