1、多选题：
According to the phase diagram,the gas reservoir can be devided into ( ).
选项：
A:wet gas reservoir
B:pure gas reservoir
C:condensate gas reservoir
D:dry gas reservoir
答案: 【pure gas reservoir;
condensate gas reservoir】

2、多选题：
The unconventional gases include ( ).
选项：
A:associated gas
B:shale gas
C:tight gas
D:coalbed methane
E:gas hydrate
答案: 【shale gas;
tight gas;
coalbed methane;
gas hydrate】