A new system of quality control was brought in to overcome the defects in the firm's products.

There is an abundant supply of cheap labor in this coun...

单项选择题There is an abundant supply of cheap labor in this country.

The index is the government's chief gauge of future eco...

单项选择题The index is the government's chief gauge of future economic activity.

The two banks have announced plans to merge next year． ...

单项选择题The two banks have announced plans to merge next year．