下列表示铁路的图例是（    ）

醉里挑灯看剑，梦回吹角连营。八百里分麾下炙，五十弦翻塞外声。沙场秋点兵。

马作的卢飞快，弓如霹雳弦惊。了却君王天下事，赢得生前身后名。可怜白发生。

如图是动、植物细胞结构示意图，请回答：

⑴How does your brother feel? ____     A. They are thirsty.

⑵How does your sister feel? ____        B. He's sad.

⑶How does your dog feel? ____          C. I am cold.

⑷How do they feel? ____                     D. She's tired.

⑸How do you feel? ____                      E. We are cool.

⑹How do we feel?____                        F. It's hungry.