文件被划分成大小相等的若干个物理块,—般物理块的大小是不固定的。( )
参考答案:错
解析:应改为:文件被划分成大小相等的若干个物理块,—般物理块的大小是固定的。
Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to (1) fraudulent Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".
In phishing, the perpetrator sends out legitimate- (2) looking e-malls, appearing to come from some of the Web’s most popular sites, in an effort to obtain personal and financial information from individual recipients. But in pharming, larger numbers of computer users can be (3) victimized because it is not necessary to target individuals one by one and no conscious action is required on the part of the victim. In one form of pharming attack, code sent in an e-mail modifies local host files on a personal computer. The host files convert URLs into the number strings that the computer uses to access Web sites. A computer with a compromised host file will go to the fake Web site even if a user types in the correct Internet address or clicks on an affected (4) bookmark entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing. (5) habits,
4()
A.hypertext
B.computation
C.expectation
D.bookmark
下列没有错别字的一句是*
A.听到奶奶去世的噩耗传来,他招怅若失,表情显得悲痛沉闷.
B.像李白这样的超世奇才,在中国古代诗坛里屈指可数.
C.北京的长安街主路上车水马弄,两边的行人道也是人来人往,络绎不绝.
D.老王是个值得信任的人,他诚默寡言,而且从不说谎.