在目前的信息网络中,()病毒是最主要的病毒类型。A、引导型B、文件型C、网络蠕虫D、

题型:单项选择题

问题:

在目前的信息网络中,()病毒是最主要的病毒类型。

A、引导型

B、文件型

C、网络蠕虫

D、木马型

考点:信息安全知识竞赛信息安全知识竞赛题库
题型:单项选择题

下列说法正确的是(   )                                                       

A.电荷从电场中的A点运动到了B点,路径不同,电场力做功的大小就可能不同

B.电荷从电场中的某点开始出发,运动一段时间后,又回到了该点,则电场力做功为零

C.正电荷沿着电场线运动,电场力对正电荷做正功,负电荷逆着电场线运动,电场力对负电荷做正功

D.如果电场力对电荷做功,则电势能一定发生变化

题型:单项选择题

患者面色淡白,或萎黄,唇甲色淡白,头晕眼花,心悸多梦,舌淡,脉细无力属()。

A.气虚

B.血虚

C.阳虚

D.阴虚

E.津液不足

题型:单项选择题

适当增加化合物的亲脂性不可以

A.改善药物在体内的吸收

B.有利于通过血—脑脊液屏障

C.可增强作用于中枢神经系统药物的活性

D.使药物在体内易于排泄

E.使药物易于穿透生物膜

题型:单项选择题

如果机架内部有故障,则DXU上有什么指示,如何读取具体的故障内容。在升版过程中,DXU上指示灯状态如何,TRU、ECU状态如何,基站中有外部告警时,DXU上有什么指示,如何确定具体内容。

题型:单项选择题

Most people have no idea of the hard work. One of the questions that is always asked of me is (1) I became an animal collector in the first (2) .The answer is that I have always been interested in animals and zoos. According to my parents, the first word I was able to say with any (3) was not the conventional "mamma" or "daddy", (4) the word "zoo", which I would (5) over and over again with a shrill (6) until someone, in order to (7) me up, would take me to the zoo. When I (8) a little older, we lived in Greece and I had a great (9) of pets, ranging from owls to seahorses, and I spent all my spare time (10) the countryside in search of fresh specimens to (11) to my collection of pets.(12) on I went for a year to the City Zoo, as a student (13) , to get experience of the large animals, such as lions, bears, bison and ostriches, (14) were not easy to keep at home. When I left, I (15) had enough money of my own to be able to (16) my first trip and I have been going (17) ever since then. Though a collector’s job is not an easy one and is full of (18) , it is certainly a job which will appeal (19) all those who love animals and(20) .

第(18)空应选择()

A.expectations

B.sorrows

C.excitement

D.disappointments

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