（）电流频率不同，电击对人体的伤害程度也不同，通常高频电流对人体的危险性最大。

什么叫高层次信息?如何为领导提供高层次信息?

Today I’d like to talk about how to become a (1) . Usually you have to start at the beginning. That is, you have to begin (2) of some sort on a local newspaper, a (3) , maybe on a small magazine -- work (4) . Now there aren’t that many organizations which have large numbers of foreign correspondents so you also have to (5) with that aim (6) . Another way of doing it is to work abroad, and work as (7) . That’s somebody who sells stories, and gets paid (8) , to newspapers and magazines and so on. And hoping to (9) that way, and eventually to be offered a (10) .
I don’t really know (11) are needed, but obviously a degree in modern languages or (12) would be very useful. But, a degree in itself probably wouldn’t (13) . It wouldn’t be enough to get you job. It wouldn’t (14) to make an editor decide to (15) . So it’s difficult to define the (16) . You’re going to need (17) and the ability to assimilate information (18) and then produce stories which (19) of the newspaper or radio or television station you (20) .

患者男，23岁，某大学三年级学生。自人大学以来，从不和宿舍同学一起聊天、谈话，也很少见有同学、老乡来找他，因此，同学们都背后戏称他为"怪人"。患者终日离群独处，冥思苦想，偶尔交谈亦不能与人合拍，说的有些是"玄论"，令人莫明其妙。学习成绩尚好，但性格孤僻，对人冷漠，又很怕羞，敏感。从不肯在公众场合出头露面，也没有什么知心朋友。在一段时期里，他突然着迷于气功，经常不上课，外出去找气功大师传授"功法"，回来时早晚面壁练功，搅得同学都非常反感，劝也不听，止也不住，一味我行我素，行为奇怪，简直像个"外星人"似的。

若患者诊断为人格障碍．其属于哪类人格障碍（）。

A.强迫型人格障碍

B.焦虑型人格障碍

C.分裂型人格障碍

D.反社会型人格障碍

E.冲动型人格障碍

F.表演型人格障碍

G.偏执型人格障碍

干燥变压器使用的电源容量及导线规格应经计算，电源应有保障措施，电路中应装设（）装置。

下列哪一组性味的药物，作用趋向一般属于升浮( )

A．辛、苦，热

B．酸、咸，热

C．甘、淡，寒

D．甘、辛，凉

E．辛、甘，温