关于Langerhans cell,哪项错误()。
A.胞质含板层颗粒
B.分布于棘层
C.是抗原提呈细胞
D.能捕获抗原
参考答案:A
In order to gain a bigger share in the international market, many state-run companies are striving ______
their products more competitive. [ ]
A. to make
B. making
C. to have made
D. having made
对于在党内担任两个以上职务的,党组织在作处分决定时,应当明确撤销其一切职务。