跪求下面几句话的英译汉

题目

跪求下面几句话的英译汉
1.There are three chief effects of electric currents:the magnetic,heating and chemical.
2.His failure to observe the safety regulations results in an accident to the machinery.
3.For many years,there has been serious unemployment in this city.
4.The force of expansion makes it necessary to build a bridge in sections.
5.I stared blankly at the paper in front of me.

答案

1.有三个主要影响电流:磁力、供暖和化学.
2.他没有遵守安全规则,机器出意外.
3.多年来,一直有严重的失业在这座城市.
4.膨胀力使我们有必要修建一座大桥的部分.
5.在我茫然地盯着那张纸在我的前面.