①东八区区时 ②东经116度的地方时
③东经120度的地方时 ④北京的地方时
A:①②
B:②③
C:①③
D:③④
右图显示,经济发展和环境质量之间的关系,根据这种关系,发展中国家应认识到( )
It was a difficult time for the relatives of Missing MH370 passengers when they heard the bad news, but they didn't ________ hope.