My hats and tapes are _________.
A:on the bed
B:under desk
C:in room
D:under the my bed
— Yes, she's a girl from ________UK.
下表是几种可燃物在压强为101kPa时间的沸点。请你回答:
可燃物
CH4
X
C3 H8
C4H10
C5 H12
沸点/℃
-l64
-88.6
-42.1
-0.5
-36.1