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
The environmental organization calls on customers not to purchase these _______ packages of food, clothes and gifts.
A. intrusive B. cognitive
C. excessive D. sensitive
People are advised not to smoke at home, since passive smoking is ________ to people around them. Which is Not proper for the blank?
A. dangerous B. protective
C. hazardous D. risky
He stumbled(绊倒)on the _______ ground and fell flat on his face.
A. undeniable B. unfair C. unavoidable D. uneven
