题目内容
Which of the following is true according to the two passages？
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十进制算式7X64+4X8+4的运算结果用二进制数表示为_______。
SECTION A CONVERSATIONS
Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.
听力原文：W: I want to register for this mathematics course.
M: I'm sorry registration has closed.
W: Closed？ The clerk told me I could come back and register any time during the first week of classes.
M: Well, that's not possible. The computer's official student account has already been sent to the state. And that's what our budget is based on. Who told you that anyway？
W: Some woman here when I tried to register three weeks ago. She said I just had to pay a late fee.
M: She must have been a temporary worker. They don't have much training. Why didn't you register then？
W: She said I couldn't until I had my birth certificate. Here it is.
M: Your birth certificate？
W: Well, I'm a new part-time student. So she asks for identification. I don't drive so I don't have a driver's license.
M: Huh. That's no reason to demand a birth certificate. We only need to establish residency: a phone bill with your name and address on it would've been fine.
W: Really？ Only prove of my address？
M: Yes. I'm afraid she gave you the wrong information. Still you'll have to wait and take your math's class next semester.
W: But that's not fair.
M: Well, I sympathize with your problem, but frankly, I don't think there is anything anyone can do for you. You were trapped in the system. If you want to you can talk to the director. She will help you if she can.
W: Great.
M: Don't get your hopes up.
What problem does the woman have？
利用电信局的本地电话线路提供数字服务的技术中，有一种称为“不对称数字用户线”的技术。它在传输数据时，下载的速度远大于上传的速度，这种技术的英文缩写是_______。
According to the professor, what was one result of the increased use of machinery on farms
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