Experiments have shown that contrary to our expec

There is no denying that our living qualities have gone from bad to worse.（英译中)

It can be inferred from the passage that many tasks in our society have to be carried out_

Its time that we ______ firm measures to protect our environment.A．have takenB．tookC．are t

In our lives, we have to make many decisions. Some people say that we should think about t

Contrary to popular belief, our framework of bones isnt a rigid and unchanging structure.

More recent researches have shown that intelligen