Many of G20 governments have used spending programs to inject ______ dollars into their ec

Although modern science and technology have proved that such methods are absurd, there are still millions of people use such methods in many remote places nowadays.（英译中)

This teaching method is a ______ of many methods which have been used for decades in the c

Which of the following italicized parts is used as an adverbial？A．How many times have you

Many restaurants have stopped using trans fats because they may______.A．pollute hydrogenat

Many pure metals have little use because they are

Many pure metals have little use because they are too soft rust too easily or have some