A:①③④
B:①②③
C:①②④
D:②③④
看图,给下列图片选择合适的句子或对话。
① ____ A. I have a new dress.
② ____ B. Look at my sweater. It's nice.
③ ____ C. My trousers are too long.
④ ____D. Look at his shirt. It's nice.
⑤ ____ E. In winter, I need a warm coat.
根据图示情景,提出一个物理问题,并用物理知识作简要回答.
(1)问题: ____
(2)回答: ____