2~3岁儿童每天氟的适宜和安全摄入量是A.0.1~0.4mg/dB.0.5~1.5mg/dC.1.6~2.6mg/dD.2.7~3.7mg/dE.3.8~4.8mg/d

2~3岁儿童每天氟的适宜和安全摄入量是

A.0.1~0.4mg/d

B.0.5~1.5mg/d

C.1.6~2.6mg/d

D.2.7~3.7mg/d

E.3.8~4.8mg/d


相关考题:

3岁儿童每天氟的适宜和安全摄入量(mg/d)是A.0.1~0.4B.0.5~1.5C.1.6~2.6D.2.7~3.7E.3.8~4.8

1~3岁儿童每人氟的适宜和安全摄入量(mg/d)是A.0.1~0.4B.0.5~1.5C.1.6~2.6D.2.7~3.7E.3.8~4.8

1~3岁儿童每人氟的适宜和安全摄入量(mg/d)是()A、0.1~0.4B、0.5~1.5C、1.6~2.6D、2.7~3.7E、3.8~4.8

饮水的适宜氟浓度一般应保持在()A、2.1~2.5mg/LB、1.6~2.0mg/LC、1.1~1.5mg/LD、0.5~1.0mg/LE、0.1~0.4mg/L

适宜的饮水氟浓度为()。A、低于0.4mg/LB、0.4~0.7mg/LC、0.7~1.0mg/LD、1.2~1.5mg/LE、1.5~2.0mg/L