Directions: In this section of the test, there are ten paragraphs. Each of the paragraphs is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Spell out the missing letters of the word on your Answer Sheet.
Doctors should refrain from adding patients as friends on Facebook, they should not hug or allow patients to call them by their first names, regulators have warned. Blurring the lines between social and professional relationships can impact on the level of care offered and prevent patients from being honest about important side effects.
37. C______ relationships may hinder objective care.
【正确答案】：Close
