341.( )法国国旗为三色旗，是颜色。

438.( )Smoking is harmful for children both ()and mentally.

437.( )He was a leaned ()，who had written several books about civil laws.

436.( )These push buttons can ()the elevator.

435.( )The passenger went through ()control and collected their baggage

434.( )The () of an airplane is the pilot in charge of it.

433.( )Jack jumped into the sea and ()the life raft.

432.( )The fire is threatening about sixty homes，and residents have ()the areA.

431( )They escaped through an () exit and called the policE.

430.( )I feel ()after such a hardworking week.

429.( )There will be some air () in 10 minutes. Please retum to your seat and fasten the seat belt.