看图读一读,连线。
① ____ A. Do you like ice cream? - Yes, I like ice cream.
② ____ B. Taste the noodles, Tom. Yummy.
③ ____ C. What do you hear? I hear a cat.
④ ____ D. What do you see? I see a bird. It's yellow.
一根6.28米长的绳子,恰好围一棵大树绕了2圈,这颗大树的横截面积是多少?
根据程序框图,当输入x为2016时,输出的y=( )
遵义会议是中共从幼稚走向成熟的标志,因为它表明中共