题目

阅读理解阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。 A city without cars would be very strange, right? But Venice is such a city. Venice is in the northeast of Italy. It wasn't built on land, like Beijing or Shanghai, but on more than 110 islands. Seawater is everywhere around the city. Even so, travel isn't difficult. The waterways have always been the best way to get around. There are 117 waterways and more than 400 bridges that can guide you where you want to go. People in Venice move from place to place by boat. Water makes the city近两年正值太阳活动高峰期，下列叙述中正确的是（　　）A.太阳黑子和耀斑都产生在太阳色球层上B.前一次太阳活动极大年到再一次活动极大年的平均周期约为11年C.太阳活动发出的强烈射电扰乱地球大气对流层，影响地面无线电短波通讯D.新加坡的小朋友在晚上做作业时看到了美丽的极光现象