题目

课文填空 The telephone allows us to out beyond our own lives. Today we can talk to several complete strangers on chat lines. We can talk across the world. We can even talk to while they are space-walking. And, with the phone up to the computer, we can the Internet, the biggest library on Earth. 答案：【1】reach【2】simultaneously【3】astronauts【4】hooked【5】access如图，⊙A、⊙B、⊙C、⊙D、⊙E相互外离，它们的半径都是1，顺次连接五个圆心得到五边形ABCDE，则图中五个扇形（阴影部分）的面积之和是 [     ]A.B.1.5C.2D.2.5