As ______ child, Salk did not show any interest in ______ medicine or science in general．
#9387
A
不填; 不填
B
the; 不填
C
a; 不填
D
a; the
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I often have conversation with John over _____ phone, but keep in touch with Tom by writing _____ letters.
#9559
A
/; the
B
/; a
C
the; /
D
the; a
While other scientists are keeping____eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in ____humans.
#9824
A
a , /
B
an, /
C
the, an
D
an, the
Although she spent two weeks in__ hospital after the accident, she was always in __ good spirits.
#9129
A
the; the
B
不填 ;不填
C
a;; 不填
D
不填;the
(2014·皖北协作区联考)—________Beijing of 2012 saw its first snowfall in the month of November.—Oh，it came as ________surprise to us.
#7620
A
The；the
B
The；a
C
/；a
D
/；the
________ operation was very successful indeed，which was ________ comfort to the concerned mother.
#7780
A
The；/
B
An；the
C
An；a
D
The；a