Exploring ________space is exciting, yet dangerous. There is ________need for both robots and humans for space exploration.
#11641
A
the; a
B
a; a
C
/; a
D
/; the
推荐题目
Jeremy Lin is a man with a strong will. After repeated_______ he finally succeeded in his career.
#13185
A
announcements
B
decision
C
remarks
D
attempts
The manager promised to keep us______ of how our business was going on.
#11852
A
being informed
B
informed
C
informing
D
to be informed
(2011·江苏高考)—I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back! I mean, someone ________it.
#11314
A
will have stolen
B
might have stolen
C
should have stolen
D
must have stolen
The world’s population has grown by ______ it was in 1800.
#14205
A
more than six times that
B
six times more than that
C
more than six times what
D
six times as many as
The Group of Eight (G8) ______ the richest eight countries in the world.
#12402
A
is consisted of
B
consists of
C
is made up
D
is composed with