申请内销的节余料件,如果金额占该加工贸易合同项下实际进口料件总额10%及以下的,且总值在人民币10万元(含10万元)以下的,均可免交许可证件。 ( )
参考答案:错
—May I speak to Mr. Li?
—Sorry. He isn’t in now. He somewhere abroad since last Friday.
A.has been
B.has been to
C.has gone to
D.has been in
参与抗肿瘤效应最重要的细胞是
A.巨噬细胞B.NK细胞C.DCD.CD4+Th细胞E.CD8+CTL细胞