下表是氯化钠和碳酸钠在不同温度下的溶解度，根据此表推断合理的是(   )

2015年“世界水日”和“中国水周”活动的宣传主题为“节约水资源，保障水安全”．下列说法错误的是（　　）

选出相对应的答语。

①I can hear the car. ____         A. Yes, I do.

②What is it? ____                     B. It's brown.

③Can you hear a cat? ____       C. Yes, I can.

④What colour is the dog? ____ D. Great.

⑤Do you like the train? ____      E. Yes. It's hard.

⑥Is the watch hard? ____           F. It's a bike.