选出与你所听到的句子的意思最相近的句子( )
A:It's educational to read The Trojanhorse.
B:It's interesting to read The Trojanhorse.
C:It's boring to read The Trojan horse.
The boy ____ (stay) at home last night.
在两块相同的玻璃片上,小明同学分别滴一滴质量相同的水,如图所示.观察图中情景可知,他主要研究蒸发快慢是否与( )