Alex Haley s______marked a new level of self-awareness of the African American people as a
From the text we learn that Welch _____.
A.is a wicked worm causing as many damages as Blaster did.
B.is a program designed by Haley to detect worms like Blaster.
C.is a program intended to fix the infected machines.
D.is a worm meant to defeat the virus with "pings".
A.(62) useradd -d /home/alex alex
B.useradd -d /usr/alex alex
C.useradd -D /home/alex alex
D.useradd -D /usr/alex alex
Peppeberg’s work with Alex was intended to prove that animals .
A. do have thoughts
B. can learn to speak
C. can become man's friends
D. do live long lives
Lisa: You look great. Any good news?
Alex: I just came back from my vacation.
Lisa: Wow, ! Maybe I should take a vacation,_________too.
A. I didn't see it
B. good for you
C. I didn't find it
D. hard to believe
Nora: You're late. Now we'll miss the movie.
Alex: ______I was stuck in traffic.
A.Why are you so impatient?
B.Oh, you should go to the movie by yourself.
C.There's nothing serious, I think.
D.I'm sorry, honey, f apologize.
Alex lent Emma the book ,Markings, ______.
A.to show his friendliness to her
B.to show his interest in reading
C.to tell her about the importance of the UN
D.to let her write her name and address inside