Finding information in today’s world is easy．The_______is how you can tell if the information you get is useful or not。
#7325
A
ability
B
eompetition
C
challenge
D
knowledge
推荐题目
. New mineral resources may be discovered during the forthcoming Antarctic _____.
#6741
A
excursion
B
execution
C
extraction
D
expedition
He asked Mary whether she had passed the exam ________．
#6452
A
yesterday
B
the day before
C
the day ago
D
before the day
After years of research, he found the key ____ differences between species.
#5237
A
to explain
B
to explaining
C
of explaining
D
explaining
You should follow________, and take medince three times a day.
#6801
A
explanations
B
instructions
C
descriptions
D
advice
Jane is honest and never tends to hide her opinion. She must give you a(n) _____suggestion about it.
#7256
A
abrupt
B
ambiguous
C
straightforward
D
hesitant