题目

听下面一段较长对话，回答以下小题。【1】What is the weather like now?A.Warm and sunny. B.Chilly and snowy. C.Cold and cloudy.【2】How will the man go to work?A.On foot. B.By bus. C.By car.【3】What is the woman trying to persuade the man to do?A.Listen to the forecast. B.Wear warm clothes. C.Go out for lunch. 答案：【答案】【1】C【2】C【3】B【解析】【原文】W: What a cold day! The weatherman says there will be a snowstorm today. You’d better wear warm clothes, dear.M: I don’t believe the weatherman anymore. Last week he said there would be clear skies but it rained all week.W: All right. Go ahead and catch cold. You can see that it’s overcast. In the winter, that always means that it在“验证机械能守恒定律”的实验中，下列叙述正确的是：（    ） A．安装打点计时器时，两纸带限位孔应在同一竖直线上 B．实验时，在松开纸带让重物下落后，应立即接通电源 C．应选质量大且体积小的重锤进行实验 D．重物所受重力应远大于它所受的空气阻力和纸带所受打点计时器的阻力