太阳活动对地球的影响是（ ）
如图，在平行四边形ABB1A1中，∠ABB1=60°，AB=4，AA1=2，C，C1分别为AB，A1B1的中点，现把平行四边形ABB1A1沿CC1折起如图2所示，连接B1C，B1A，B1A1．求证：AB1⊥CC1
Location
It lies in ____ Hubei Province.
Area
It's ____ square kilometers in size.
____
About 3,000,000.
____ of interest
You can visit Mount Dongfang, National Mining Park and the Ci Lake.
Things to eat
Taizi tofu is really ____
