A model or an experiment in a science class can help students see things which would ______ remain hidden.
#80029
A
otherwise
B
still
C
thus
D
therefore
推荐题目
(2014·河南豫北三校联考)________is well known to everyone，I should say，is that a man becomes learned by asking questions.
#30046
A
Who
B
It
C
As
D
What
The reason ____ he was late for school was _____he had to send his mother to a hospital.
#30183
A
that; why
B
why; because
C
why; that
D
that; because
Mountain climbing ________ be very tiring, and many people feel sick ________ the atmosphere gets thinner.
#31554
A
may; while
B
can; as
C
must; though
D
should; for
She was such a proud person that she would die ______ she would admit she was wrong.
#30516
A
rather than
B
until
C
after
D
before