30. As a director of the corporation, he is busy, 　　　　　　, however, he should spare a few minutes for the interview.

A．on the contrary　　　　　　　　　　　　 B．all of a sudden　　　　 C．for the moment　　　　　　 D. on all sides

29.I know he is always modest and cautious，but why did he behave 　　　　　　　at that time?

A．extraordinarily　　　 B．generally　　　　 C．obviously　　　　　　　 D. badly

28.An important step for developing countries towards advanced ones is to 　　　　　poverty.

A．turn out　　　　　　　　 B．suffer from　　 C．contribute to　 D. wipe out

27. 　　　　　　　cancer has made me realize how precious life is and how important it is for us to take every chance to live life to the fullest.

A．Living with　　　　　　 B．Belonging to　 C．Dealing with　 D. Playing with

26. Greater efforts to increase agricultural production must be　　　　　 　if food shortage is to be avoided.

A．taken　　　　　　　　　　 B．made　　　　　　　 C．undertaken　　 D. stressed

25.We are often 　　　　　　　by doctors to eat more vegetables and fruits as well as take plenty of exercise to keep fit.

A．warned　　　　　　　　　 B．informed　　　　 C．advised　　　　　 D. forbidden

24. The whole city looks like a big　　　　　 　site. A lot of buildings are being built here and there.

A．structure　　　　　　　 B．repair　　　　　　 C．research　　　　 D. construction