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.
端午节时,王老师用72元钱买了荷包和五彩绳共20个,其中荷包每个4元,五彩绳每个3元.设王老师买荷包x个,五彩绳y个,根据题意,列出的方程组为____ .
读“简化地球仪上的点和线”图,回答下列问题.