Questions 19 to 21 are based on the conversation you have just heard.

　　19. What is the woman’s problem?

　　B)�！窘馕觥克膫�選項均為現在完成進行時態，由此可以推斷，本題考查的內容可能是某人最近一段時間發生的事情或者持續的狀態。女士解釋說，抱歉，昨天沒有來上課(missing class)。男士說，并不僅僅是昨天，一共上過6次課，已經缺了4次。由此可見女士的問題在于并沒有每天都來上課(hasn�餿 been attending class every day)。故正確答案為B)。

　　20. How many classes has the woman attended?

　　A)。【解析】四個選項均為數字，由此可以推測，本題的考查內容是關于數字的。 從男士的話中可知，一共上過6次課，女士一共缺了4次(missed 4)。相減得到女士上課的次數為2次。故正確答案為A)。

　　21. What does the woman decide to do?

　　C)。【解析】四個選項均為不定式，由此可以推測，本題考查的內容可能是關于某個決定。女士說如果可行，就決定退課(drop the class)。可見女士打算放棄這門課程，故正確答案為C)。

　　Conversation Two

　　W: Dr.Thomas? This is Keet Bradley from the daily news.(22)I’d like to ask you some questions about the new official standard weight that you purchased.

　　M: I’d be happy to help you. What would you like to know?

　　W: First of all, how was the standard weight used?

　　M: Well, the people in our department (23)use it to check the scales all over the country. The department of weights and measures, we are a government agency. It’s our responsibility to see that (23)all the scales measure a kilogram accurately so this is the way we use to adjust the scales.

　　W: How did you check the scales before?

　　M: We have an old standard weight that we used to use.(24)It had to be replaced because it was imprecise. You see it was made of poor quality metal that was too porous. It absorbed too much moisture.

　　W: Oh. So when the weather was humid it weighed more and when it was dry it weighed less.

　　M: Exactly. And that variation can affect the standards of the whole country. So our department had the new weight made out of higher quality metal.

　　W: How much did it cost?

　　M: About 45 thousand dollars.

　　W: 45,000 dollars? For one kilogram weight? That’s more expensive than gold.(25)Is it really worth that much?

　　M: (25)I’m 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)�！窘馕觥克膫�選項均為概括性比較強的短語，由此可以推測，本題考查的內容很有可能是對話的主題。由metals，measuring weight，metric等詞推測，對話可能與金屬或其他某種事物的度量有關系。 女士說她想問男士幾個關于新度量衡的問題(new official standard weight)，由此揭示對話談論的主題是關于衡量重量標準的單位。

　　23. What was the standard weight used to do?

　　A)�！窘馕觥克膫�選項均為不定式，由此可以推測，本題考查的內容可能是目的或行為。 男士說他們用新標準度量衡來檢測全國的天平(scales)，他們有責任利用它來確保所有的天平都能夠準確地測量1公斤的重量(measure a kilogram accurately)。

　　24. Why was it necessary to replace the old standard weight?

　　C)�！窘馕觥克膫�選項均描述某件事物的缺點或問題，由此可以推測，本題考查的內容可能是某件事物的弊端。 男士說舊天平會被取代是因為它不夠精準(imprecise)，制造材料低劣(made of poor quality metal)。故正確答案為C)。

　　25. What does Dr.Thomas probably think about the cost of the new weight?

　　C)�！窘馕觥克膫�選項均為對某件事物價值的描述，由此可以推測，本題考查的內容可能是對某件事物價值的評價。女士問男士新度量衡是否物有所值(worth that much)，男士說確定如此。由此可以推斷男士認為新度量衡是物有所值的。故正確答案為C)。