Questions 32 to 35 are based on the passage you have just heard.

A. It breaks into the cell and reproduces itself.
B. It uses the CD4 receptor to bind with the RNA of the cell.
C. It integrates into the DNA of infected cells.
D. It destroys the cell’s RNA and multiplies inside it.

A. We shouldn’t judge people by reading their faces.
B. We shouldn’t smile in the wrong place.
C. We shouldn’t cover our true feelings.
D. We shouldn’t express our emotions too openly.