A． a conversation on the museu
B． a museum tour guid
C． a museum bookle
D． a museum advertisemen
参考答案B
解析:推断题。本文开篇是Good mornin9，ladies and gentlemen，这是一个典型的问候语，可直接排除[c]和[D].之后谈话人说，欢迎你们到工农业展览馆新馆，之后又介绍了展品的内容等，可见这是一个对该展览馆的介绍，谈话人很可能是该博物馆的讲解员，故[B]为答案。
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单选题
According to the speaker, safety in dormitory means that you
[A] insure all your expensive things.
[B] lock doors when going out.
[C] lock windows at night.
[D] take all necessary precautions.
According to the speaker, safety in dormitory means that you
[A] insure all your expensive things.
[B] lock doors when going out.
[C] lock windows at night.
[D] take all necessary precautions.
A． Call their friend
B． Stay with their friend
C． Avoid walking in street
D． Always take a tax
A． To take a few Self-defense classe
B． To stick to well-lit streets at nigh
C． To avoid walking alone at nigh
D． To stay with their friend