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听力原文:F: Good morning. Bright Box Office. M: Oh, hello. Are there any tickets for No.50 Music concert on the 22nd please? F: Just a moment. No, I think you've made a mistake. It's on the 30th. M: Really? I read about it in the evening paper. It's part of the international festival, I'm sure it said No. 50 Music on the 22nd. F: Oh sorry. I thought you said No. 15 concert. The No. 50 Music Concert is on the 22nd at 7: 30. But I'm afraid it's sold out apart from the front stalls and they're at £8.50. M: That's fine. Can I have a couple please? F: Are you paying by credit card? M: Yes, please. F: What's the card number? M: It's a VISA card number 57762812. F: And the expiry date? M: November 2008. F: And the name on the card? M: Gunjee. That's G-U-N-J-E-E. F: Thank you very much. ?Look at the notes below. ?You will hear a man phoning to book a ticket. Ticket Booking Confirmation Date: November, 30th 20-- Time: 10:15 Show: (5)______ Music Concert. Time and Day: 19:30 December 22nd, 20-- Price of tickets: (6) ______ No. of tickets: 2 Card: VISA Number: (7)______ Expiry pate: November 20-- Name on Card: (8)______
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参考答案:
举一反三
【多选题】大数据的基本属性是
A.
体量大
B.
类型多
C.
价值密度低
D.
处理速度
【多选题】大数据的基本属性是
A.
体量大
B.
类型多
C.
价值密度低
D.
处理速度快
【简答题】字段的基本属性有()、数据类型和字段大小。
【判断题】大数据体量大,这是大数据的基本属性。
A.
正确
B.
错误
【单选题】把极坐标方程ρ=-6cosθ化成直角坐标方程是(  )
A.
(x+3) 2 +y 2 =9
B.
(x-3) 2 +y 2 =9
C.
x 2 +(y+3) 2 =9
D.
x 2 +(y-3) 2 =9
【简答题】把所给的极坐标方程ρ=-4cosθ+sinθ化成直角坐标方程为______.
【单选题】把极坐标方程ρ 化成直角坐标方程是
A.
B.
C.
【简答题】(本题10分)在直角坐标系中,曲线 的参数方程为 .以坐标原点为极点, 轴的正半轴为极轴的极坐标系中.曲线 的极坐标方程为 . (1)分别把曲线 化成普通方程和直角坐标方程;并说明它们分别表示什么曲线. (2)在曲线 上求一点 ,使点 到曲线 的距离最小,并求出最小距离.
【判断题】数据可视化技术的基本思想是将数据控制在每一个数据项作为单个图元元素表示,大量的数据集构成数据图像,同时,将数据的各个属性值以多维数据的形式表示。
A.
正确
B.
错误
【判断题】( )一块平钢板被弯曲,弯曲处不是所有晶体的形状和位置就会改变。
A.
正确
B.
错误
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