政策决定和制约环境，起主导作用；环境反过来改善和塑造政策，具有反作用。
1、正确错误
环境决定和制约政策，起主导作用；政策反过来改善和塑造环境，具有反作用。
Whyaretoday'soldermiddle-agedandelderlybecomingthenewwinners?
Our（）sensitivitydecreaseswithage.Byage60，mostpeoplehavelost40percentoftheirabilitytosmelland50percentoftheirtastebuds.
_____atinthisway,thepresenteconomicsituationdoesn'tseemsogloomy.
YouthatlettertoJames.However，yodidn't（）.
IfonlyI_____playtheguitaraswellasyou!
