每日一练:职称英语考试卫生类每日一练(2018/9/20)
【单选题】
Steep stairs can present a particular hazard to older people.
A.evidence
B.case
C.danger
D.picture
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每日一练:职称英语考试卫生类每日一练(2018/9/20)
【单选题】
Steep stairs can present a particular hazard to older people.
A.evidence
B.case
C.danger
D.picture
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