(A) Announcement( 通知 ) Good morning , ladies and gentlemen . May I draw your attention( 注意 )to the book Safety in flight ?You will find the book in the pocket at the back of the seat in front of you and we ask you to read it . You’11 also find a newspaper and you may find it interesting . For those of you not familiar with this kind of plane , you can smoke on the left hand side of the passenger cabin( 机舱 ) , once the signs at the front of the cabin have been turned off , and at no time in the toilet at the back I of the plane . We have a duty-free( 免税的 )bar on the plane and cigarettes , beer and mineral water will be on sale during the flight . If you have any questions during the flight , please ask our four I hostesses( 空姐 ) . Would you now please fasten( 系紧 )your seat belts to get ready for take-off? We wish you a pleasant flight! Thank you . ( ) 26 . The announcement is made __________ . A . during the flight B . before taking off C . after taking off . ( ) 27 . People are asked ____________ . A . to read the book Safety in Flight B . to find out where they can smoke C . to buy something during the flight ( ) 28 . Can people smoke in the plane? A . No , they can’t . B . Yes , but only in some areas of the plane . C. Yes , but only in the cabin . ( ) 29 . People in the plane can . A . have a good sleep B . have some small girls C . buy some duty-free things ( ) 30 . We learn from the text that . A . the passengers will have a morning flight B . they will have meals during the flight C. the plane is going to fly across a mountain