题目

阅读理解The endangered pandas in QinlingMountains might face a new threat(威胁): the loss of their food, bamboo, which makes up 99% of theirmeals.Adult pandas spend most part of the dayeating bamboo and have to take in a t least 40 pounds a day to stay healthy.However, a new study published in Natureand Climate Change warned that they may soon find their food gone becausemost of the bamboo in Qinling Mountain Mountains might disappear by the end ofthe century as a result of the rising temperature worldwide.A team made up of researchers fromMichigan State University and the Chinese Academ解集为2＜x＜5的不等式组为A.B.C.D.