Sam some knowledge of the computer just by watching others working on it．
#71229
A
brought up
B
looked up
C
picked up
D
set up
推荐题目
Most experts agree that human activities such as the clearing of large areas of forests, and farming on a large scale _________ the problem of global warming.
#65324
A
is leading to
B
is resulting in
C
are contributing to
D
are owing to
. The school has recently decided that students aren’t permitted to use mobile phones at school, but I find it difficult to _______ this decision..
#78234
A
confirm
B
entitle
C
justify
D
testify
It’s obvious that the Beijing Olympic Games _______ a great success．
#70637
A
kept
B
showed
C
proved
D
remained
He lost his job three months ago; , he was seriously injured in an accident last week.
#68159
A
in the first place
B
to make matters worse
C
on the contrary
D
in other words
—May I have a talk with one of your reporters？ —Sorry, but all of them are out to ______the main events of the day.
#82744
A
find
B
get
C
cover
D
search