（安徽安庆2009教学质量监测）In preparation for the launching of Shenzhou VII, 4、scientists need knowledge of weather changes.
#10256
A
the; the
B
a; /
C
/; a
D
the; a
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---How about ________ New Year evening party? ---I should say it was _______ success.
#9522
A
a；a
B
the；a
C
/；/
D
the；/
In the end , he turned ______history teacher, who had______ good knowledge of history, especially ______ history of ______Ming Dynasty.
#8027
A
a,/,the, a
B
/,a ,the, the
C
/,a, the,/
D
a, a, the,/
(2013·西安一中月考)As ________ unemployment is very high at the moment，it's very difficult for people to find ________ work.
#7891
A
the；/
B
/；/
C
the；a
D
an；the
Exploring ________ space is exciting, yet dangerous. There is _______need for both robots and humans for space exploration.
#8457
A
the; a
B
a; the
C
/; a
D
/; /
According to a new study by a French university, learning ______ second language can lead to ______ increase in your brain power.
#8430
A
a; the
B
a; an
C
the; the
D
the; an