What’s tree about Professor Lawrence().

A.She has found a new job at another university.

B.She has become the head of the graduate school.

C.She will continue to work part-time.

土壤受镉污染后，镉进入人体，引起痛痛病的主要途径是（）

A.呼吸道

B.皮肤

C.污染的土壤

D.食用病禽或病畜

E.食用被污染的农作物