采煤工作面在掘进完成后，不需经过验收就可以直接生产。
参考答案：错
--Have you seen Tony recently?
--No, but I ________ dinner with him on Sunday．
A．would have
B．have had
C．have been having
D．am having
TCRβ基因重排及整合的HTIV－1原病毒基因序列的检出是下列哪种血液病重要的确诊依据（）
A.急性淋巴细胞白血病
B.CLL
C.成人T细胞白血病
D.幼淋巴细胞白血病
E.急性非淋巴细胞白血病
