passage one
Questions 26 to 29 are based on the passage you have just heard.

单项选择题A．Because it’s dark.B．Because it makes her think.C．Because there are two-dimensional characters in it.D．Because the dialogues in it are superficial.

单项选择题A．Separate houses were built for storing ice.B．Double walls were built in icehouses to keep cool.C．Blocks of ice were packed with weed in icehouses.D．Ice was put into icehouses in winter.