阿摩線上測驗
9. About four in 10 adults are at high _______ for vision loss, but many eye conditions are treatable or preventable.
(A) density
(B) peril
(C) risk
(D) hazard
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統計： A(2), B(3), C(13), D(0), E(0) #3356755
統計： A(2), B(3), C(13), D(0), E(0) #3356755
