题目

选择正确的选项补全对话。A. You can find it.B. Can I take a taxi?C. How can I go to the hospital?D. How far is it?E. Can I take a bus?F. How long can it take me to walk there?G. You can take the bus there.A: Excuse me, sir. 1________B: Go down this street to the end. 2________A: 3________B: It's about three miles from here.A:4 ________B: Sorry. There is no bus to go there.A: 5________B: About half an hour. You can go there by taxi.A: OK.在如图甲所示的电路中,电源电动势为3.0 V,内阻不计，L1、L2、L3为3个相同规格的小灯泡,这种小灯泡的伏安特性曲线如图乙所示.当开关闭合后，下列关于电路中的灯泡的判断,正确的是（ ）A.灯泡L1的电阻为12ΩB.通过灯泡L1的电流为灯泡L2的电流的2倍C.灯泡L1消耗的电功率为0.75 WD.灯泡L2消耗的电功率为0.30 W