第15题: [单项选择]在本节中，你将听到15段对话，每段对话有一个问题。请从[A]、[B]、[C]三个选项中选出答案，并标在试卷的相应位置。每段对话后有15秒钟的停顿，以便回答问题和阅读下一问题及其选项，每段对话读两遍。
下面，请听这些对话。What was hard for the man to believe [A] Addison and Bush liked to meet friends. [B] Addison and Bush had many friends. [C] Addison and Bush have become good friends. 参考答案:C 答案解析:[听力原文]
W: I was surprised that Addison and Bush have become good friends.
M: I know. They didn’t u
第22题: [单项选择]A gate valve installed in a pipeline should be （）. A. used in either the fully dosed or fully opened position B. installed with the stem down C. used for steam service only D. used to throttle or regulate the flow of liquid 参考答案:A
第26题: [单项选择]以下判断不正确的一项是（）。 A. 购买犯罪分子用于销赃的物品，如手机、自行车等属于违法行为 B. 购买犯罪分子用于销赃的物品一经发现会被没收，得不偿失 C. 购买犯罪分子用于销赃的物品为自己或他人物品再次被盗埋下祸根 D. 犯罪分子销赃的物品，只要价格便宜就可以买 参考答案:D
