You should do_____ investigations on the investing environment.

Data obtained from the investigations __________ that there is a large amount of oil below the seabed in this area.

The police have completed their _____ into the accident. A: costs B: routines C: investments D: investigations

5. Regulations placed clear _________ on the landlord for the benefit of the tenant. A: navigation B: obligations C: interrogations D: investigations

They are ______ investors who always make thorough investigations before making a decision. A: erratic B: conscious C: cautious D: prompt

It isn’t manners to make too many into other people’s affairs. A: investigations B: inquiries C: searches D: surveys

20. The Titanic disaster led to a number of investigations in Great Britain and the United States that resulted ___ sweeping changes in maritime (海事的) safety law and ship construction.

The basic processes of Market Research are ( ). A: Clarifying investigation objectives B: Designing an investigation plan C: Making an investigation plan D: Organizing field investigations E: Collation and analysis of investigation data

19. The E-med doctors will refer the patients to a hospital in London if _________. A: medical investigations cannot be arranged B: they think that further diagnosis is needed C: patients insist on being sent to the hospital D: patients are not satisfied with the diagnosis

48. The E-med doctors will refer the patients to a hospital in London if ________. A: they think that further diagnosis is necessary B: patients ask for blood tests C: medical investigations cannot be arranged D: patients do not accept the diagnosis