It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.                                      (2012·湖北,29)
#10994
A
symptom
B
similarity
C
sample
D
shadow
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Environmental pollution is _____ the forest’s dying
#13996
A
leading in
B
resulting in
C
putting in
D
contributing in
_______ of the students here _______ from the countryside.
#14102
A
Three-fourths; are
B
Three-fourth; is
C
Three-fourths; is
D
Three-fourth; are