-
-
>> 河南成教 / 电工电子技术基础
-
佳题速递：
2[阅读题]
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, Maria' s 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 twenty 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 ,Mafia discovered a comet ( 彗星 ) by merely using a two-inch telescope.Some years before, King Frederick V[ of Denmark had set up prizes to each discoverer 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 Vicohad discovered the same comet two days later, but had reported it to the European official first. However,after some discussion this was settled in Mitchell' s favor. She won the prize in 1848 and became a big name the world over. The comet was named "Miss Mitchell' s Comet".
1. What can be learnt about Mafia' s parents according to the text? （）
A. They came from low-income families.
B. They gave Mafia equal chance for education.
C. They were both astronomers.
D. They were both teachers.
2. Who played the most important role in Mafia' s great achievement? （）
A. King Frederick VI.
B. Francesco de Vico.
C. Her father.
D. Her mother.
3. 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.
4. When did Francesco de Vico discover the comet? （）
A. In 1818.
B. In 1889.
C. In 1848.
D. In 1847.专升本英语1 以下（）不属于实现数据库系统安全性的主要技术和方法。
A.存取控制技术
B.视图技术
C.审计技术
D.出入机房登记和加防盗门
E.数据库应用 电路和及其对应的欧姆定律表达式分别如图1、图2、图3所示，其中表达式正确的是
A.图1
B.图2
C.图3
D.都不正确电工电子技术 调查资料分组的关键是正确地选择组距
组限
分组标志
组中值汽车市场调查与预测 中华人民共和国成立后，我国社会的主要矛盾是资产阶级和无产阶级的矛盾。（ ） A、正确 B、错误中国特色社会主义理论 20、
煤矿企业应当依法为职工参加工伤保险缴纳()保险费。鼓励企业为井下作业职工办理意外伤害保险，支付保险费。
A.养老
B.工伤
C.失业
D.以上都不正确
