对滞销2商品,只需检查是否可出样即可.
参考答案:对
The number of books in the bookshop is about 10,000 and a number of them
about science.
A.is
B.was
C.are
D.Were
肾上腺皮质激素类药物局部注射可用于治疗
A.结核性溃疡
B.雪口病
C.腺周口疮
D.疱疹性口炎
E.以上均不对