【华夏之祖】

材料一  “神农因天之时，分地之利，制耒耜，教民农作。”“(神农氏)日中为市，致天下之民，聚天下之货，交易而退，各得其所。”

材料二  黄帝陵(如图)

【民主政治】

材料三  尧知子丹朱之不肖，不足授天下，于是乃权授舜。授舜，则天下得其利而丹朱病；授丹朱，则天下病而丹朱得其利。尧曰：“终不以天下之病而利一人。” 

  ——《史记·五帝本纪》

【杰出首领】山西是中华民族的发祥地之一，至今，在这片古老的土地上仍留有许多尧、舜、禹的传说和名胜古迹，观察下列几幅名胜古迹的图片，回答问题：

Bob Smith is a little boy. On the first day at school, his teacher, Ms. Green, teaches him three words—you, he and I. Then the teacher says, “I am your teacher. You are my student. He is your classmate.”
 When school is over, Bob goes home. His mother asks him,“What does your teacher teach you today?”Bob says with a smile,“Listen, Mom. I am your teacher, you are my student and he is your classmate.”His mother says,“No, dear. You are wrong.”Then she says, “I am your mother. You are my son. He is your father.”
 The next morning at school, Bob’s teacher asks Bob to make sentences with the words “you, he and I”. Bob stands up and says, “I am your mother. You are my son. He is your father.”

下列关于人体与外界气体交换的叙述，错误的是（　　）