Questions 16~20
Every year about two million people visit Mount Rushmore, where the faces of four U.S. presidents were carved in granite by sculptor Gutzon Borglum and his son,the late Lincoln Borglum. The creation of the Mount Rushmore monument took 14 years—from 1927 to 1941— and nearly a million dollars. These were times when money was difficult to come by and many people were jobless.To move the more than 400,000 tons of rock,Borglum hired laid-off workers from the closed-down mines in the Black Hills area. He taught these men to dynamite, Drill, carve, and finish the granite as they were hanging in midair in his specially devised chairs, which had many safety features. Borglum was proud of the fact that no workers were killed or severely injured during the years of blasting and carving.
During the carving, many changes in the original design had to be made to keep the carved heads free of large fissures that were uncovered. However, not all the cracks could be avoided, so Borglum concocted a mixture of granite dust, white lead, and linseed oil to fill them.
Every winter,water from melting snows gets into the fissures and expands as it freezes, making the fissures bigger. Consequently, every autumn maintenance work is done to refill the cracks. The repairers swing out in space over a 500-foot drop and fix the monument with the same mixture that borglum used to preserve this national monument for future generations.
16. According to the passage, Borglum's son .
A. is dead B. was a president
C. did maintenance work D. spent a million dollars
17. According to the passage, the men whom Borglum hired were .
A. trained sculptors B. laid-off stone masons
C. Black Hills volunteers D. visitors to Mount Rushmore
18. It can be found from the passage that .
A. the heads are not as originally planned B. the workers made mistakes when blasting
C. the cracks caused serious injuries D. the designs had large fissures in them
19. Borglum's mixture for filling cracks was .
A. very expensive B. bought at the Black Hills mines
C. invented by the sculptor himself D. uncovered during carving
20. Mount Rushmore needs to be .
A. protected from air pollution B. polished for tourists
C. closed during the winter D. repaired periodically
Questions 21~25
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 takeoff 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 takeoffs and landings, you are advised to keep your feet flat on the floor. Before takeoff 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 napkins, towels,or clothing. If possible, wet these for added protection against smoke inhalation. To evacuate as 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 are fully inflated, and whey 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.
21. According to the passage, airline travelers should keep their feet flat on the floor .
A. throughout the flight B. during takeoffs and landings
C. especially during landings D. in case of an accident
22. According to the passage, which exits should an airline passenger locate before takeoff?
A. The front one and the back one.
B. The two closest to the pilot seat.
C. The ones that can be found in the dark.
D. The ones with counted rows of seats between them.
23. People are more likely to survive fires in the aircraft if they .
A. keep their heads low B. wear a safety belt
C. don t smoke in or near a plane D. read airline safety statistics
24. In an emergency airline passengers are advised to do all of the following EXCEPT .
A. follow crew commands B.jump on fully inflated escape slides
C. run away as soon as possible D. carry personal belongings
25. What does the paragraph following the passage most probably discuss?
A. How to recover your luggage
B. Where to go to continue your trip
C. When to return to the aircraft
D. How to proceed once you are away from the aircraft
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