[填空题]He made a lot of mistakes in his letter because of（）(care).

[填空题]He made a lot of mistakes in his letter because of ______ (care).

[填空题]He made many mistakes in his Composition because of （　） (care).

[填空题]He made many mistakes in his composition because of（）(care).

[单项选择]He added a （）to his letter by saying that he would arrive before 8 pm.
A. presidency
B. prestige
C. postscript
D. preliminary

[单项选择]He has made up his mind to give up smoking.
A. tried
B. attempted
C. agreed
D. decided

[填空题]In Columbus’s letter, what did he tell others He found______.

[填空题]He has made up his mind (teach) ______ in the countryside.

[单项选择]Because of many mistakes, she was made_________ these letters again.
A. type
B. to typing
C. typed
D. to type

[简答题]…a writer, when he has made his first breakthrough, has simply won a crucial skirmish in a dangerous, unending, and unpredictable battle.

[单项选择]Previous （） his departure, he addressed a letter to his daughter.
A. to
B. of
C. in
D. from

[单项选择]Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (66) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (67) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’ s address book ,previous emails, web pages (68) .
As administrators seek to block dangerous email attachments through the recognition of well- known (69) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to . bat and . cnd 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 (70) access to your netw
A. names
B. eookies
C. software
D. extensions