When the writer told an ex-colleague about the man in the park, the ex-colleague ______.
A.said that Rogers was a company director
B.said he was sure Rogers was still in prison
C.didn't know anything about Rogers
D.seemed to think the man might have been Rogers
第3题
更换压力表,选择量程合理的压力表,即使压力表正常工作时所显示的压力值在压力表量程的()范围内。
A.1/3~1/2
B.1/3~2/3
C.2/3~1/2
D.1/3~3/4
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