为了探究“铅笔芯的电阻随温度的变化规律”,小明设计了如图电路,电源电压恒定,R0为定值电阻。
①青蛙﹣肺和皮肤②蝗虫﹣气管③鸽子﹣肺和气囊④鲸﹣鳃⑤蚯蚓﹣体壁.
A:____that?
B: It's a radio.
A:____often listen to the radio?
B:____, I do.
A:____do you often listen to?
B: I often listen to music.
A:____do you often listen to the music?
B: In the park or at home.
(2015•湖南长沙)端午节即将到来,相传端午节最初是为了纪念一位战国时期伟大的爱国诗人,其作品中所反映出来的爱国主义思想和上下求索精神,融汇成湖湘文化的重要特征。这位诗人是( )