在搭接接头中,组合焊缝破坏常常起源于两种焊缝的交接处,它的疲劳强度()单用正面或侧面焊缝。
A、高于
B、等同于
C、低于
参考答案:A
Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to ___29___ Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".
In phishing, the perpetrator sends out legitimate-___30___ e-mails, 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 ___31___ 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 ___32___ entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing ___33___
32()
A.hypertext
B.computation
C.expectation
D.bookmark
Boot Loader的stage2通常使用C语言实现,以完成复杂的功能,并增加可读性和可移植性,以下哪一步骤属于stage2的内容()
A.为加载Boot Loader的stage2准备RAM空间
B.设置好堆栈
C.硬件设备初始化
D.将kernel映像和根文件系统映像从flash上读到RAM空间中