题干

电冰箱是生活中常用的家用电器,下列说法正确的是(    )

A:冷冻室的内壁上常附着一层霜,是由于水蒸气液化产生的

B:电冰箱散热器摸起来烫手,这主要是电流的热效应造成的

C:电冰箱电动压缩机和冷藏室内照明灯泡的连接方式是并联

D:夏天,打开冰箱门看到的“白雾”是水分蒸发产生的水蒸气

上一题 下一题 0.0难度 选择题 更新时间:2016-04-29 06:07:37

答案(点此获取答案解析)

C

同类题2

先读通下面的短文,然后从各题所给的A、B、C、D四个选项中,故答案选出最佳选项。

    It has been some time since(自从) Jack saw the old man. In fact, Jack moved away from the country and was busy 1his work. There, Jack had2 time to think about the past and often had no time to 3 with his wife and son. He was working for his future.

    One day, his mother 4him over the phone that Mr Belser, their neighbour had died and the funeral(葬礼) would be 5Wednesday.It took a long time 6 Jack gave an answer because he had not thought of Mr Belser for a long time. “Well, he didn't 7 you. Every time I saw him, he'd ask 8you were going. He'd 9the days you spent with him, ” Mum told him.

    It had been about two weeks since Mr Belser died. One day, Jack 10 a package(包裹). There, inside was a gold 11.The box was from Mr Belser. Jack's hands shook(晃动) as he read the note inside. “Upon my death(死亡) please give this box to Jack Bennett. It is the thing I value most( 珍视) in my life.” There inside he 12 a beautiful gold packet watch. He opened the cover. Inside he found these words, “Jack, thanks for your 13 !——Harold Belser.”Jack held the watch for a few 14, then called his office and canceled (取消) his meetings for the next two weeks. He needed some time to spend with his wife and son.

    No matter how( 无论怎么样) busy we are, we should always remember to spend some time with the person we love. They are 15part of our life.