正确答案: C

The supermarket might just play a trick so customers should be more cautious.

题目：Which of the following can we infer from the passage?

解析：解析：本题也是一个推理题，由本实例说明商场会玩一些小把戏促销，所以消费者应该对此多加小心不上当。其他的选项说法没有足够的理由在任何情况下都成立。

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举一反三的答案和解析：

[单选题]Mary: What are you working on? Susan: I'm doing some embroidery. Mary: ______ Susan: I don't do very much, just for very special occasions.

I didn't know you did needlework.

解析：解析：选项A中，Mary对Susan会刺绣表示意外，这与Susan的对答“我不常做，只是在特殊时候做一做。”语义相连。对于B的应答应该是礼貌地表示谢意，若选C或D，Susan的回答则显得答非所问。

[单选题]The passage suggests that the early shops for making tools were ______.

not very sophisticated

解析：解析：本题的依据句是“At first，these articles were whittled with a knife，but when pioneer craftsmen set up their primitive shops most of them were fashioned on a lathe--a machine which holds an object and rotates it while it is being shaped by a tool.”在这里，A选项的not very sophisticated 意思为“并不复杂，是简单的”，对应原文中的primitive(原始的，简单的)。其他选项的内容属于无关信息。

[单选题]How many tablets should one take before he goes to sleep?

two

解析：解析：本题的依据句为“For maximum nighttime and early morning relief，take two tablets at bedtime.”B选项可以得到确认。

[单选题]Science is still ______ of the causes of many kinds of cancer.

ignorant

解析：解析：ignorant可以指“无学识的，愚昧的”，还指“不知道的”；unconscious意为“失去知觉的，不省人事的；无意识的”；conscious意为“有知觉的，意识到的”；informed意为“获悉，告知”。

[单选题]Wendy: Have you been to the new bakery on the corner? Arthur: No, how is it? Wendy: It is heaven ! ______ !

Their cakes are to die for

解析：解析：从对话语境和供选答案看，Wendy是想说“那里的蛋糕好吃得不得了”。符合习惯的表达只能是Their cakes are to die for!(to die for something = to be eager to have something)。

[单选题]What is this report mainly about?

Phone inquires about hotel bookings for the 2008 Olympic Games.

解析：解析：这是一个典型的大意理解题，其依据句就是文章的主题句，一般位于文章的开头。本文的主题句就是第一个句子“Beijing's top hotels are fielding scores of calls from foreigners and Chinese people eager to book rooms during the 2008 Olympic Games in the Chinese capital.”与A选项内容相符和。其他的选项内容并不是本文的主题，而只是细节信息或无关信息。

[单选题]He was in a hurry and left things in a real ______.

mess

解析：解析：in a mess意为“处于混乱之中”；mixture意为“混合，混合物”；mass意为“一块”；confusion意为“混乱，混淆”。

[单选题]Jim: I have a pair of tickets for an opera Saturday night. Would you like to go? Cindy: I don't think so. ______.

I'm not too wild about opera

解析：解析：be wild about something表示“对……极为热衷”，符合题意；B．I'm not too interested about opera．介词搭配不对；C．I'm not very excited about opera．和D．I'm not very anxious about opera．语义不符。

[单选题]

B． talking C． saying D． mumbling 正确答案：C解析：此处需要一个及物动词。A和B后需要跟介词about，只有C正确。

saying

解析：解析：此处需要一个及物动词。A和B后需要跟介词about，只有C正确。