皮皮学,免费搜题
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Register(注册) in person Register by phone Register by mail 178IN. Winchester St. Call 264-8833 Use form. given Chicago Basic Photography This is an eight-hour course for beginners who want to learn how to use a 35mm camera. The teacher will cover such areas as kinds of film, light and lenses (镜头). Bring your own 35mm camera to class. Course charge: $50 Jan. 10, 12, 17, 19, Tues. & Thurs. 6:00-8:00 p.m. Marianne Adams is a professional photographer whose photographs appear in many magazines. Understanding Computers This twelve-hour course is for people who do not know very much about computers, but who needs to learn about them. You will learn what computers are, what they can and can' t do, and how to use them. Course charge: $75 Equipment change: $10 Jan. 14,21,28, Sat. 9:00-11:50a. m. Joseph Saimders is Professor of Computer Science at New Urban University. He has over twelve years of experience in the computer field. Stop smoking Do you want to stop smoking7 Have you already tried to stop and failed.'? Now is the time to stop smoking using the latest methods. You can stop smoking, and this twelve-hour course will help yon do it. Course charge: $30 Jan. 4, i 1,18,25 Mon. 4: 00 - 7: O0p. m. Dr. John Goode is a practicing psychologist (心理学家)who nas helped hundreds of people smoking. Typing This course on week-days is for those who want to learn to type, as well as those who want to improve their typing. You are tested in the first class and practice at one of eight different skill levels. This allows you to learn at your own speed. Each program lasts 20 hours. 3ring your own paper. Course charge: $125 Materials charge: $25 Two hours each evening for two weeks New hours each evening for two weeks New classes begin every two weeks This course is taught by a number of business education teachers who have successfully taught typing courses before. The word 'professional' in this advertisement most probably means “_______.”
A.
spiritual
B.
journalist
C.
professor
D.
experienced
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【单选题】我国最早颁布的有关互联网使用及管理的法规是( )年。
A.
1991
B.
1996
C.
1999
D.
2000
【判断题】分子中键的极性越强,分子的偶极矩越大。
A.
正确
B.
错误
【判断题】汽车以54km/h的速度在沿海公路上行驶;羚羊以20m/s的速度在草原上奔跑;长跑运动员在15min内跑完4500m,三者速度最大的是汽车。
A.
正确
B.
错误
【单选题】以下表述不正确的是( )
A.
委托贷款的风险由委托人承担,银行只收取手续费,不承担贷款风险,不代垫资金。
B.
短期贷款通常采取一次还清贷款的还款方式
C.
中长期贷款采用分期偿还方式
D.
固定利率贷款在贷款期限内遇利率调整要分段计息
【单选题】传统的数据模型分类,数据库系统可以分为三种类型( )。
A.
大型数据库、中型数据库和小型数据库
B.
西文数据库、中文数据库和兼容数据库
C.
层次数据库、网状数据库和关系数据库
D.
文字数据库、图形数据库和多媒体数据库
【单选题】传统的数据模型分类,数据库系统可以分为三种类型:
A.
大型、中型和小型
B.
西文、中文和兼容
C.
层次、网状和关系
D.
数据、图形和多媒体
【判断题】分子中键的极性越强,分子的偶极矩越大。( )
A.
正确
B.
错误
【单选题】按照传统的数据模型分类,数据库系统可以分为三种类型
A.
大型、中型和小型
B.
层次、网状和关系
C.
数据、图形和多媒体
D.
西文、中文和兼容
【单选题】偶极矩越大键的极性越大。三种不同的杂化轨道中,极性最强的是sp杂化轨道,其原因是
A.
sp杂化轨道是直线型,而sp2是平面型、sp3是四面体型。
B.
sp杂化轨道中s成分占比最大,s成分越多,电负性越强
C.
sp杂化轨道中p轨道成分最小,未杂化的p轨道最多,所以极性最大。
D.
sp杂化轨道中p轨道成分最大,p轨道电子比s轨道电子活跃,所以极性最大。
【判断题】汽车以54km/h的速度在沿海公路上行驶;羚羊以20m/s的速度在草原上奔跑;长跑运动员在15min内跑完4500m,三者速度最大的是羚羊.
A.
正确
B.
错误
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