-Peter has changed a lot, hasn't he?
-Yes. He used to __________ the guitar, but now he is more __________ in playing soccer.
A:plays; interested
B:play, interested
C:play; interesting
D:playing; interest
请你和她讨论下列问题:
阅读材料,回答下列问题。
材料 如大气中存在过量的由燃烧产生的SO2和NO2则大气降水的pH值低于5.6以下,称为酸雨。
酸雨属于二次污染物,其环境影响是区域性的。目前在世界范围已形成几大酸雨区,我国西南地区酸雨污染严重,频率高,单场雨pH值最低曾达3.35(重庆)和3.41(贵阳),并已蔓延到广东、广西等省。
已知集合A={x|x>1},B={x|x2﹣2x<0},则A∪B=( )