中国近代民族资本主义经济的发展第一次受到大规模外来资本的抑制是在()
A.19世纪40年代
B.19世纪70年代
C.19世纪末
D.第一次世界大战时期
参考答案:C
患者,男性,38岁,肝硬化病史5年,近日出现睡眠时间倒错,语言不清,血钾3.5mmol/L,血钠136mmol/L,血氨90mmol/L,血清pH值为7.48。
下列药物中首选哪种()
A.谷氨酸钠
B.谷氨酸钾
C.精氨酸
D.左旋多巴
E.复方氨基酸
Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (16) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (17) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (18) .
A. memory B. cachesC. ports D. registers
As administrators seek to block dangerous email attachments through the recognition of well-known (19) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (20) access to your network.