Generally it isnt harmful to our ears, when sounds are up to______.A．140 decibelsB．100 dec

He smoking because it does harm to health.

What can we learn about pleasure food from the passage？A．It is harmful to health.B．It can

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

I shall have to get______to have a look at my car. It isnt working properly.A．an engineerB

What does it really mean to "like oneself"？ For one thing, it means a girl isnt obsessed w

We must keep away from some _____, for they will do harm to our health.A.chemistryB.