正电荷运动的方向为电流的方向,即电子运动的反方向。

题型:判断题

问题:

正电荷运动的方向为电流的方向,即电子运动的反方向。

考点:通信设备检验员考试通信设备检验员考试题库
题型:判断题

平行于主光轴的光经凸透镜______后会聚在______点,焦距是指______的距离.

题型:判断题

单词拼写(共10小题;每小题1分,满分10分)

根据下列句子及所给汉语注释,在句子右边的横线上写出空缺处各单词的正确形式。(每空只写一词)

66.The beautiful girl with      (金色) hair is our new foreign teacher.

67.I closed my eyes and felt the ____(温暖) of the sim on my face.

68.He would have ____(淹死) it I had not instantly fished him out.

69.He felt that he was to____(责备) for the coldness that had grown between them.

70.He was sentenced to six years in prison for____(盗窃).

71.There were about 200 people ____(出席) the meeting yesterday.

72.The talented young ____(音乐家) was warmly welcomed by the people in his hometown.

73.Problems in Chinese milk in recent years have raised ____(质量) concerns about the nation’s supply.

74.They did arrive here together, but they left here      (分别).

75.Compared to adults, children have a strong sense of____(正义).

题型:判断题

在对空气质量进行监测时,常用不同的指示植物进行野外大气污染的监测,如利用地衣和苔藓来监测大气中______的含量。

题型:判断题

下列( )不属于《中国人民银行法》第二条规定的中国人民银行的职能。

A.制定和执行货币政策
B.防范和化解金融风险
C.管理中央公共财政支出
D.维护金融稳定

题型:判断题

我国古代最早发现十二平均律的律学家是( )

A.何承天

B.荀勖

C.朱载

D.李龟年

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