you eat the correct foods be able to keep fit and stay healthy
| A．Only if；will you | B．Only if；you will |
| C．Unless; will you | D．Unless; you will |
If you are from doing something, you are officially prevented from doing it.
| A．seeped | B．dispersed | C．bombarded | D．banned |
The school offers many _____ activities for the local students.
| A．infectious | B．recreational |
| C．fragile | D．vocational |
It is ______ that the noise around us is a(n) _______ to our health and well being.
| A．preventable; precaution | B．denial; existence |
| C．undeniable; hazard | D．vital; culprit |
We can broaden our horizons through _________ to new things.
| A．hazard | B．exposure | C．recreation | D．vapor |
Jack’s house has been broken into twice and now he takes________ against theft
at any time.
| A．risks | B．chances | C．turns | D．precautions |