题目

听材料，回答问题。 （1） What is the speaker doing? A . Reporting a match live. B . Cheering for his team. C . Coaching a football team. （2） Why is the match starting late? A . The weather is terrible. B . The traffic is heavy. C . One player is badly injured. （3） What happened after the match was on for 2 minutes? A . The fans shouted happily for the goal. B . Hank took the ball from Parker. C . Rossi fell on the ground. （4） Who has kicked a goal? A . Rossi. B . Hank. C . Parker.在右图所示的电路中，电源电压保持不变．当电键S由断开到闭合时，正确的判断是（ ）A．电流表的示数变小B．电流表的示数不变C．电压表的示数变小D．电压表的示数不变