题目内容
（请给出正确答案）
A. Fuel supply line valve
B. Pressure registered on the accumulator gauge
C. Cold-spark voltage readings test lamp
D. Engine stop control
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更多“Before hydraulic starting of a…”相关的问题
A certificated lifeboatman assigned to command the lifeboat must ______.
A.be the first individual to board the craft
B.drain the hydraulic pressure before lowering the craft
C.have a list of the persons assigned to the liftboat
D.all of the above
A．Fuel supply line valve
B．Pressure registered on the accumulator gauge
C．Cold-spark voltage readings test lamp
D．Engine stop control
A.pressurize the system to test for leaks
B.bleed off all pressure within the system
C.operate the machine until it reaches normal temperature
D.disconnect the pump pressure control switch
A．This effort will apprise land's use rights before contracting lease.
B．Add to the State revenue.
C．Improve the management of the land.
D．Ensure the best use of land resources and control its redistribution.
听力原文：W: Do you have a seat for the concert tomorrow？
M: No seat at all, but we sell standing-room tickets two hours before the performance.
Q: What does the man mean？
(13)
A．It is too late for the man to go to the concert.
B．The man must wait for two hours to buy a ticket.
C．People have already been standing in line for two hours.
D．The man can buy a standing-room ticket tomorrow.
听力原文： The Chinese New Year is now popularly known as the Spring Festival because it starts from the Beginning of Spring. Its origin is too old to be traced. Several explanations are hanging around. All agree, however, that the word Nian, which in modem Chinese solely means "year", was originally the name of a monster beast that started to prey on people the night before the beginning of a new year
One legend goes that the beast Nian had a very big mouth that would swallow a great many people with one bite. People were very seared. One day, an old man came to their rescue, offering to subdue Nian. To Nian he said, "I hear that you are very capable, but can you swallow the other beasts of prey on earth instead of people who are by no means of your worthy opponents？" So, it swallowed many of the beasts of prey on earth that also harassed people and their domestic animals from time to time.
After that, the old man disappeared riding the beast Nian. He turned out to be an immortal god. Now that Nian is gone and other beasts of prey are 'also scared into forests, people begin to enjoy their peaceful life. Before the old man left, he had told people to put up red paper decorations on their windows and doors at each year's end to scare a way Nian in case it sneaked back again, because red is the color the beast feared the most.
From then on, the tradition of observing the conquest of Nian is carried on from generation to generation.
(33)
A．The beginning of Spring.
B．The day before the New Year day.
C．The New Year day.
D．The day after the New Year day.
How can a single postage stamp be worth $ 16,800？
Any mistake made in the printing of a stamp raises its value to stamp collectors. A mistake on one in expensive' postage stamp has made the stamp worth a million and a half times its original value.
The mistake was made more than a hundred years ago in the British colony of Mauritius, a small is land in the Indian Ocean. In 1847 an order for stamps was sent to a London printer, and Mauritius was to become the fourth country in the world to issue stamps.
Before the order was filled and delivered, a ball (舞会) was planned at Mauritius' Government House, and stamps were needed to send out the invitations. A local printer was instructed to copy the de sign for the stamps. He accidentally inscribed the words "Post Office" instead of "Post Paid" on the sever al hundred stamps that he printed.
Today there are only twenty-six of these misprinted stamps left--fourteen "One Penny Orange-Reds" and twelve "Two Penny Blues". Because of the Two Penny Blue's rareness (罕见) and age, collectors have paid as much as $ 16,800 for it.
A postage stamp's value to collectors is raised if ______.
A．there are few others like it
B．there are no errors on the stamps
C．a mistake is made in the ,printing
D．both A and C
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