A:若将a、c两端连在电路中,则当滑片OP向右滑动时,变阻器的阻值减小
B:若将a、b两端连在电路中,则当滑片OP向右滑动时,变阻器的阻值不变
C:若将b、c两端连在电路中,则当滑片OP向右滑动时,变阻器的阻值增大
D:若将a、d两端连在电路中,则当滑片OP向右滑动时,变阻器的阻值减小
—Oh, I notice it. Thanks for telling me.
①志愿者们具有强烈的社会责任感
②志愿者们具有奉献、友爱、互助、进步的服务精神
③对亲人的爱是人世间最真挚最纯洁的爱
④我们要养成有爱心、乐于助人的品质
Two men are walking in the park. One is Mr. Brown, a worker, the other is Mr. Black. Mr. Brown is going to a chair. It is next to the road. Mr. Black is after him. Mr. Brown finds Mr. Black. Now Mr. Black begins to walk faster (更快). Because he wants to get to the chair before Mr. Black. Now Mr. Black begins to walk faster because he also wants to get to the chair first. Then they both run. Mr. Black runs faster than (比) Mr. Brown. So he gets to the chair first and sits down on it. Mr. Brown runs after Mr. Black. When he gets to the chair. He sees Mr. Black sitting on it. He is sorry to show a notice(通知)with the words“Wet Paint(油漆未干)”to Mr. Black. Now Mr. Black knows why Mr. Brown is going to the chair.
下列表述不正确的一项是( )