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问题 单项选择题

9岁男孩，午餐时突发神志丧失，手中持碗失落，碗打碎后即醒。脑电图示3周／秒棘慢波规律性和对称性发放。最可能的诊断是（）

A.复杂部分发作

B.部分性发作

C.杰克逊（Jackson）癫痫

D.失神发作

E.不能分类的癫痫发作

答案

参考答案：D

解析：失神发作多发于儿童，意识短暂中断，无先兆和局部症状，发作和终止均突然，是典型的失神发作。

填空题



In the early 1970’s, Citibank of New York City became one of the first financial institutions to install ATM’s on a large scale. Since then, the (1) of automated teller machines has increased dramatically. At the time, the bank hoped (2) their operating costs by replacing human tellers with machines. Little did they (3) that the cash machines would become so successful. However, as more banks added (4) automated service through ATM’s, the machines mushroomed all over the world.
To use an ATM, all you need is a (5) issued by your bank. Your bank may also (6) through a credit card, such as MasterCard or Visa. To begin a (7) , you need to insert the card into an ATM and punch in a personal identification number on the (8) . The personal ID number may consist of (9) and can prevent anyone from using the card.
The ATM next flashes instructions on its (10) for carrying out transaction. To get cash, for example, you are instructed to (11) that indicate whether the money should be withdrawn from a checking or a savings account and the (12) . This request is then displayed on the screen. After you press a button to (13) that the information is correct, the ATM goes to (14) .
How safe, you may ask, is banking by ATM The (15) is meant to prevent anyone, no matter who you are, from using a cash card (16) . If you enter the wrong ID number for a card, a message on the screen will (17) . If you fail to produce the correct number for three times, most machines will (18) .As another precaution against (19) , the bank generally limits the amount that may be withdrawn by cash card (20) , say, to $ 200.
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多项选择题

能引起早爆的杂散电流的来源有（）等。

A、电磁辐射

B、大地自然电流

C、高压线路电感

D、雷电
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