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Maria Mitchell(1818-1889,the first woman astronomer(天文学家)in the United States, was born in Nantucket. Massachusetts. Her parents valued education and insisted on giving her the same quality of education that boys received.
Her father. William Mitchell, was an astronomer and teacher himself. When he built his own school, Maria became a student and also a teaching assistant to him. At home. Marias father taught her to watch the stars and other natural objects in space using his personal telescope(望远镜).
Later she went to work at the library of the Nantucket Atheneum. Over the next tweny years. she further developed her interest in reading as many books as she could.She spent her nights watching the sky closely with her father.
On October 1, 1847,Maria discovered a comet(彗星 )by merely using a two-inch telescope. Some years before, King Frederick VI of Denmark had set up prizes to each discover of a"telescopic comet". The prize was to be given to the"first discoverer"of each such comet because comets were often discovered by more than one person.
There was once a question of who should be the winner. As the story goes, francesco de Vico had discovered the same comet two days later, but had reported it to the European vor. She won the prize in 1848 and became a big name the world over. The comet was named“ Miss mitchell&39;s Comet.”
What ean be learnt about Marias parents according to the text？
A.They came from low-income families.
B.They gave Maria equal chance for education
C.They were both astronomers
D.They were both teachers.
When did Franeeseo de Vico discover the comet？A.In1818
B.In1889
C.In1848
D.In1847
What problem did Maria meet with in winning the prize？A.She named the comet on her own
B.She did not use the required telescope.
C.She did not report her discovery in time
D.She discovered the comet with her father
Whe played the most important role in Maria's great achievement？A.King FrederickⅥ
B.Francesco de Vico
C.Her father
D.Her mother
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W: Its main role is to transfer the payment obligation from payer to bank. It makes the payment safer for the exporter with the bank' s credit and guarantee, and simultaneously makes the supply of goods safer for the importer.
Q: What is the main role of a letter of credit？
(19)
A．It is to transfer the contract from bank to customer.
B．It is to transfer the payment obligation from buyer to seller through banks.
C．It is to transfer the confirmation from the issuing bank to confirming bank.
D．It is to transfer the documents from advising bank to issuing bank.
A.studies
B.absolute
C.intravenous
D.worry
What did the young man usually have at a restaurant？
A．Standard items on the menu.
B．A hamburger made by himself.
C．Foods that other people ordered.
D．A coke and a hamburger.
What did Princess Diana think of her visit to Angola？
A．It had caused embarrassment to the British government.
B．It had brought her closer to the ordinary people.
C．It had greatly promoted her popularity.
D．It had affected her relations with the British government.
What did the girl do when she could no longer bear her enemy？
A．She turned to her father.
B．She cried to her heart's conten.
C．She tried to put up with her again.
D．She tried to be her friend.
