下列会发生再分布的药物是

Speaker A: It’s a beautiful day today! How about a little trip out into the country? Speaker B: （）.

A．That sounds great. What should I do for the preparation?
B．I don't know. I really haven't thought about what we'd do.
C．Well, would you like me to pack picnic or to buy something?
D．It's all right. Thank you.

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师生关系在教学层面上的特点是（ ）。 A.授受关系B.民主平等C.相互促进###SXB##

A.授受关系
B.民主平等
C.相互促进
D.教学相长

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