随着遥感应用向广度和深度发展,遥感技术将更趋于( )。
①实用化 ②商业化 ③国际化 ④娱乐化
A:①②③
B:①②④
C:②③④
D:①②④
读图,回答问题
— Linda won first prize in the English speaking competition last week.
—Yes, she didn't let her teacher down.