is和are后面加什么名词怎么用

This is one of the most commonly used methods.

这是最常采用的'方法之一。

Medical care is still free at the point of use.

医疗保健在实际提供点仍然是免费的。

In our company, quality is high on the agenda.

我们公司高度重视质量。

There are still a few residual problems with the computer program.

电脑程序还有一些残留问题。

No new SARS cases have been reported in the region.

该区没有新增非典型肺炎病例。