The  _______ (原来的) price of the car was a bit too high. Now it has been reduced.
The-cloning of some animals indicate a great  _______（突破）in biology.
Don't let  your feelings  affect  your _______(判断）．
It is clear to everyone that _______（辐射） is very dangerous to living creatures.
You are supposed to be careful when you choose a  _______（职业），