W: How much did it cost?
M: About 45 thousand dollars.
W: 45,000 dollars? For one kilogram weight? Thats more expensive than gold.Is it really worth that much?
M: Im sure it is. Industries depend on our government agency to monitor the accuracy of scales so that when they buy and sell their products there is one standard. Think of the drug industry, for example, those companies rely on high accuracy scales to manufacture and package medicine.
Questions 22 to 25 are based on the conversation you have just heard.
22. What is the conversation mainly about?
B)。【解析】四个选项均为概括性比较强的短语,由此可以推测,本题考查的内容很有可能是对话的主题。由metals,measuring weight,metric等词推测,对话可能与金属或其他某种事物的度量有关系。 女士说她想问男士几个关于新度量衡的问题,由此揭示对话谈论的主题是关于衡量重量标准的单位。
23. What was the standard weight used to do?
A)。【解析】四个选项均为不定式,由此可以推测,本题考查的内容可能是目的或行为。 男士说他们用新标准度量衡来检测全国的天平,他们有责任利用它来确保所有的天平都能够准确地测量1公斤的重量。
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