单选题_____AprecautionsBprotectionsCprovisionsDpreventions
单选题
_____
A
precautions
B
protections
C
provisions
D
preventions
参考解析
解析：
词义辨析题。safety precaution安全预防措施。protection保护。provision规定，供应。prevention预防；妨碍。句意：许多工厂都用颜色作为安全预防措施。
词义辨析题。safety precaution安全预防措施。protection保护。provision规定，供应。prevention预防；妨碍。句意：许多工厂都用颜色作为安全预防措施。
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