小题1: The letter is probably from __________.

A. Supervisor Management Unit              B Thames Valley Police

C. Criminal Justice System                  D. Crime Reduction Committee

小题2: What’s the purpose of this letter?

A．To thank Ms. Adamczak for her contribution to the security of her community.

B．To inform Ms. Adamczak of how the investigation of the crime she reported was going

C．To respond to Ms. Adamczak’s crime report

D．To inform Ms. Adamczak of the investigation result of crime she reported小题3: Which one is not the possible result of this reported crime?

A．The police will pay a visit to Ms. Adamczak’s .

B．The police will contact Ms. Adamczak and give her an update.

C．The police will not send Ms. Adamczak any further letters.

D．Your report will be held on file as an undetected crime.小题4: What does the word “leads” most probably mean?

A．Clue.

B．Darkness.

C．Investigation.

D．Contact.

已知某工程项目现浇混凝土工程量为3000m³，由两台混凝土输送泵和25人浇筑，人工时间定额为 0.1工日/m³，采用每天一班工作制，按定额计算法计算其持续时间为( )。

A．6天

B．10天

C．12天

D．60天