列车车门验票由列车员负责，列车内的验票工作由列车值班员、乘警等有关人员配合实施。（）
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The ping loopback hangs with no output. Which of the following is the most likely cause？（）
A. The loopback interface is down and resolv.conf is configured.
B. The loopback is not in /etc/hosts and resolv.conf is configured.
C. The loopback interface is down and resolv.conf is not configured.
D. The loopback is not in /etc/hosts and resolv.conf is not configured.
工商所可以以派出机关的名义查办案件。工商所以派出机关名义查办案件的类型由省工商局决定，并报上国家工商总局备案。
A. 正确
B. 错误
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