图中哪个图是匀变速直线运动的图象？（ ）
A：
B：
C：
D：
黑龙江被称为“北国粮仓”，其发展农业的优势有（ ）
①土壤肥沃②地广人稀，地形平坦③降水丰沛④农业机械化程度高．
I'm not sure ______________ Lucy likes classical music or not.
读“台湾示意图”，据此回答下列各题。
A：Hello，Tom.
B：Hi，Jenny. How do you feel?
A：I feel happy. Look! This is my sister(妹妹).
B：What's her name?
A：Her name is Kate.
B：What colour is her hair?
A：Her hair is black.
B：What colour are her eyes?
A：They are blue.
B：How nice(漂亮的)!
