秘密工作与公开工作是相辅相成的，秘密工作需要公开工作进行掩护，秘密工作寓于公开工作中，公开工作需要秘密工作做后盾，并为秘密工作创造条件。()
A. 正确
B. 错误
物证检验是由侦查机关的负责人进行。()
A. 正确
B. 错误
The statement "only to have my swelled cockiness crushed by Kathleen's reaction" means that ______.
A. she hadn't expected to her cockiness crushed by Kathleen's cool reaction
B. her only purpose was to please Kathleen with her quick work
C. she was so pleased to receive such a reaction from Kathleen
D. Kathleen was wrong to give the speaker a cool reaction
He left school after taking 0-levels because ______.
A. he did not enjoy school
B. he wanted to work with computers and staying at school did not help him
C. he was afraid of getting too old to start computing
D. he wanted to earn a lot of money
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