Exploring _____space is exciting, yet dangerous. There is _____need for both robots and humans for space exploration.
#10188
A
the; a
B
a; a
C
/; a
D
/; the
推荐题目
—What else can we do? —An international effort is required to cope with(处理,应付) ______ urgent need of ______ earthquake victims.
#9740
A
the; the
B
a; an
C
an; a
D
a; the
___ Mr. Smith is waiting to see you. He appears to be quite ____ important person.
#9011
A
/; an
B
A; an
C
The; the
D
The; /
It is such ______ honor to take part in ______ celebration, so how could I make any mistake?
#8603
A
an; /
B
the; the
C
an; the
D
/; the
(2013·高考江西卷)Animals are obviously________lower form of life than________man.
#7984
A
a;/
B
the;the
C
a;the
D
/;/
Sophie dreams of walking in______ outer space like ______astronaut one day.
#9069
A
/; the
B
/; an
C
an; an
D
a; an
