19.　 She was too proud to stop or even to _________ (减少) her speed.

18.　 We should make it next Monday to talk about the e_________ protecting problems.

17.　 They are taking some m________ to prevent water from being polluted.

16.　 Our school o_________ trips to different places of interest every summer.

15.　 Reading in the sun will do________ (伤害)to your eyes.

14.　 He was _________ (采访)on the radio this morning, which made him well known throughout the country.

13.　 Everything is on sale Children’s shoes are now ________ (降价)to 50yuan a pair.

12.　 A happy family provides a loving _________ (环境) for its children.

11.　 The experience was good _________ (准备)for a career in the film industry.

10.　 All the morning he has been practicing _______ (介绍)himself because some VIP will attend the meeting.