我国成人氟的适宜摄入量(AI)为()。
A.2.0mg/d
B.0.5mg/d
C.1.5mg/d
D.1.0mg/d
E.2.5mg/d
参考答案:C
汉译英:“碳水化合物”,正确的翻译为( )。
A.Carcass
B.Cadmium
C.Carbohydrate
D.Calcium
It was in the lab____ was taken charge of by Mr Harris ____ they did the experiment.
A.which; that
B.that; which
C.which ; where
D.that; who