【正确答案】
B
【答案解析】[听力原文]19-21
W: Well, how are you doing?
M: Fine. The computer section is coming along nicely. I should be finished with it by this afternoon.
W: Oh. that is great. But, I need to pull you off the computers for a little while and pm you on something else.
M: Something else?
W: Yeah, yeah. Listen. you know about electricity, don't you?
M: Well, as that is the power source for most computers. I do possess a rudimentary knowledge of it of course.
W: Oh. that's great! That's just what I wanted to hear.
M: Uh, why?
W: Because of this
M: The main circuit box?
W: That's right. Notice something odd about it?
M: Well yes. None of the wires appear to be attached.
W: Nobody gets to the heart of a problem as quick as you. Up to now. we've been powering the place with a generator, but it's time for that to stop. I want you to fix the circuit box.
M: Fix it?
W: Yeah. you know. attach the wires.
M: Uh. am I to understand that you wish me to wire your building?
W: No. no. 1 don't wish you to d0 it. 1 want you to do it. You got everything you need here: transformer, wire, and fuses.
M: While I do know something about electrical currant. I am not a certified electrician.
W: Did I say you had to be?
M: You don't understand. This job requires the services of a true professional.
19. How does the man know about electricity?
信息明示题。女士问男士是否了解电，男士回答说，电是大多数电脑的动力来源，因此他确实掌握一些基本知识，故选B。
【正确答案】
B
【答案解析】[听力原文]
According to the woman, what is not needed to fix the circuit box?
信息明示题。女士说她有男士装电线需要的所有东西，包括变压器、电线和保险丝，但并没有提到电池，故选B。
[考点] come along此处意为“发展，取得进步”，该短语还有以下用法或含义：
①可表示“到达，出现”，例如：When the right opportunity comes along, I'll take it. 待适当的机会出现，我就会将其抓住。
②用于祈使句以示鼓励或催促，相当于come on，例如：Come along, we'll be late．快点，我们要迟到了。
be finished with sth．为固定搭配，此处意为“完成某事物”，此时finished为形容词。be finished with sb./sth．可表示“不再与某人/某事物有联系”，例如：I'm finished with working for others．我不再为别人做事了。