50.Which type of the following interruptions is mentioned in the text? (A)Dctionaries. (B)Paper. (C)Phone calls. (D)Notebooks.

53.It can be inferred from the text that________. (A) the homeles are willing to live under a bridge or in a cardboard box (B) you will not find homeless people in countries with a high standard of living (C) the mentally ill live on the stress becausethey want the company of other homeless people (D) the unemployed who receive help may still be among the homeless