Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct answer to each of the questions

          According to airline industry statistics, almost 90% of airline accidents are survivable or partially survivable. But passengers can increase their chances of survival by learning and following certain tips. Experts say that you should read and listen to safety instructions before take-off and ask questions if you have uncertainties. You should fasten your seat belt low on your hips and as tightly as possible. Of course, you should also know how the release mechanism of your belt operates. During take-offs and landings, you are advised to keep your feed flat on the floor. Before take-off you should locate the nearest exit and an alternative exit and count the rows of seats between you and the exits so that you can find them in the dark if necessary

          In the event that you are forewarned of a possible accident, you should put your hands on your ankles and keep your head down until the plane comes to a complete stop. If smoke is present in the cabin, you should keep your head low and cover your face with napkin, towels or clothing. If possible, wet these for added protection against smoke inhalation. To evacuate as quickly as possible, follow crew commands and do not take personal belongings with you. Do not jump on escape slides before they’re fully inflated, and when you jump, do so with your arms and legs extended in front of you. When you get to the ground, you should move away from the plane as quickly as possible, and never smoke near the wreckage

Airline passengers are advised to do all of the following EXCEPT ____

A. locate the nearest exits

B. ask questions about safety

C. fasten their seat belts before take-off

D. carry personal belongings in an emergency 

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Mark the letter A, B, C or D on your answer sheet to indicate the word having different stress from the others in each of the following questions.

A. rapidly

B. comfortably 

C. fluently 

D. necessarily