超过保质期限的食品在任何情况下严禁销售。 ( )
参考答案:对
It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.
A.would be
B.has been
C.had been
D.was
止血带一般适用于四肢大动脉的出血,下述位置正确的是()
A.上臂上1/3
B.上臂中下1/3
C.股上1/3
D.股中段
E.E臂中段