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问题 选择题

由碳、氮、磷、硫等元素组成的蛋白质，在体内经过消化、吸收后，最后氧化成酸，对应的酸不正确的是 [ ]

A．碳→碳酸

B．硫→硫酸

C．氮→硝酸

D．磷→磷酸

答案

答案：C

补全对话，情景问答

根据下面对话中的情景，在空白处填入适当的语句，使对话内容完整。

(Jenny and Nancy meet on the street.)

J= Jenny; N=Nancy

J: Hello, Nancy. 1_____?

N: Fine,thanks, Jenny.

J: I heard you went somewhere for vacation. 2_____?

N: Well, I have been to Hainan Island with my cousins. There are too many

    exciting things there, especially diving (潜水) in the real sea!

J: 3_____! My parents and I will go there, too. What should we take?

N: A camera, sunglasses, umbrellas and some cool clothes.

J: OK, thank you. 4_____?

N: You can get there by plane. Because it's too far away. 5_____.

J: Thank you! I think we sure will.

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单项选择题

浅感觉纤维在脊髓丘脑束中的排列是（）

A.按骶、腰、胸、颈次序，由前向后

B.按骶、腰、胸、颈次序，由后向前

C.按颈、胸、腰、骶次序，由内向外

D.按骶、腰、胸、颈次序，由内向外

E.以上均不对
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