单选题 Our system has been designed to give the user quick and easy ______ to the required information.

单选题 Many young women do aerobics every day in their ______ to achieve the perfect body.

单选题 All the questions the police asked ______ what she had been doing on the night of the robbery.

单选题 Whoever disobeys the company’s safety regulations shall be ______ on the spot.

单选题 The noise ______ to be just the dogs fighting for a bone in the courtyard.

单选题 Large-scale studies are needed to ______ the encouraging results we have obtained so far.

单选题 This is a very formal occasion. It is not appropriate to wear ______ pants or skirts.

单选题 So far only a dozen people who had direct contact with live chickens have ______ the bird flu.

单选题 Dr. Smith is starting the first training program himself, and his methods of teaching will be used in all ______ training programs.