依照《产品质量法》的规定,下列何种产品属于该法所称的产品?
A.芝麻油
B.大坝
C.冰毒
D.电力
参考答案:A
I insisted _____ to see a doctor, but he insisted nothing ____ wrong with him.
A.on him to go; should be
B.he went; be
C.he go; was
D.he should go; is
硬关井,指一旦发现溢流或井涌,立即关防喷器的操作程序。