布鲁纳认为对任何学科的教学,都必须使学生掌握该科学的()。
参考答案:基本结构
患者,32岁。人流后1年,近日咳嗽,咳血丝痰,胸片显示双肺外野多个棉絮样结节影,血β-hCG定量为1000mIU/ml。
该患者化疗方案首选
A.5-FU+KSM
B.MTX
C.顺铂
D.5-FU
E.KSM
Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (46) from a friend who asks you to open it. This is what happens with Melissa and several other similar E-mail (47) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (48) .
A. cracker B. user C. customer D. client
As administrators seek to block dangerous email attachments through the recognition of well-known (49) , 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 (50) access to your network.