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(单选题)30: It is believed to be a problem that will affect only a small ______ of the total population
A: fraction
B: friction
C: freight
D: fracture
(责任编辑：admin) |
|
(单选题)30: It is believed to be a problem that will affect only a small ______ of the total population
A: fraction
B: friction
C: freight
D: fracture
(责任编辑：admin) |