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Separate lives, similar dreams As we know, some children live in the countryside, and some live in the city. Their lives are a little different, but they also have many of the same dreams. In the countryside In the city Travel to school On foot By bus or car Classroom facilities(设施) Recorders and radios. Multimedia classrooms, VCD, DVD, TVs, recorders, radios, loud-speakers. Ways of learning Classes only, without many reference books. Many extra classes, tutor, lots of reference books. Eyesight Less than 45% are near-sighted. About 75% are near-sighted. After-class activities Playing with balls. English corners and other school clubs. Homework Homework can usually be finished at school. Homework never ends. Chores to do Washing, cleaning, farming, looking after younger sisters or brothers, cooking. Usually no chores. Family members Big families with three generations. Small families with three members. Ideal jobs Teachers, drivers, scientists, nurses, secretaries. Scientists, professors, doctors, computer programmers, managers, university presidents, the UN chief. 小题1: The survey was done among the ______ between in the countryside and the city. A.teachers. B.students. C.parents. D.adults. 小题2:. About ______ of children in the countryside have good eyesight, but only ______ of children in the city have good eyesight. A.45%,75%. B.55%,75%. C.55%,25%. D.45%,25%. 小题3: Which of the following is not included in the survey? A.Ideal jobs. B.After-class activities. C.Ways of learning. D.Results of tests. 小题4:. A classroom in the countryside often has ______ according to the survey. A. records.            B. DVD.               C. TVs.                 D. loud-speakers. 小题5: Which of the following is WRONG according to the survey? A.Children in the countryside often go to school on foot. B.Children in the city often have too much homework to do. C.Children in the countryside often have lots of chores to do. D.Children in the city are difficult to find ideal jobs.
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【多选题】以下关于ProQuest Dissertations & Theses (PQDT)说法正确的是( )。
A.
是ProQuest出版的以欧美为主的博硕士学位论文库。
B.
PQDT国内3个镜像站的学位论文全文包含了PQDT国际站所有的学位论文。
C.
国内3个镜像站(北大、交大、中信所)提供的全文相同。
D.
PQDT国际站只提供部分全文。
【单选题】运算放大器在信号运算方面的应用时常采用( )
A.
正反馈
B.
负反馈
C.
无反馈
D.
正负反馈均可
【单选题】运算放大器在信号运算方面的应用时常采用( )。
A.
正反馈
B.
负反馈
C.
无反馈
D.
电压反馈
【多选题】以下关于ProQuest Dissertations & Theses (PQDT)说法正确的是( )。
A.
是ProQuest出版的以欧美为主的博硕士学位论文库。
B.
PQDT国内3个镜像站的文献包含了其国际站所有的学位论文。
C.
国内3个镜像站(北大、交大、中信所)提供的全文相同。
D.
PQDT国际站只提供部分全文。
【简答题】Please translate the following into Chinese: 中国拥有近 14 亿人广阔市场和世界上人口最多的中等收入群体 , 已成为当今世界第二大进口国和消费国。预计未来 15 年 , 中国进口的商品和服务将分别超过 30 万亿美元和 10 万亿美元 , 为世界各国企业生产和产品提供中国巨大市场。∥ 当前 , 有的国家为了眼前一己私利 , 在全球范围内挑起贸易保护主义...
【单选题】ProQuest平台提供了大量教育学的信息资源,例如数据库ProQuest Education Journals,其中以下关于ProQuest Education Journals描述中,哪一项描述错误?
A.
没有提供社科相关的信息。
B.
涉及教育学的各个方面,以及相关学科。
C.
该数据库整合了400多家出版机构提供的出版物。
D.
提供900多种出版物的信息。
【单选题】关于ProQuest平台PQDT A&I博硕论文文摘/题录数据库的描述,哪一项是错误的?
A.
可以通过浏览的方式,查看各国家/区域的论文情况。
B.
可以通过论文中索引短语(关键词)进行检索。
C.
只提供北美的博硕论文。
D.
可以通过浏览的方式,查看各学科的论文情况。
【单选题】运算放大器在信号运算方面的应用时常采用
A.
无反馈
B.
负反馈
C.
正负反馈均可
D.
正反馈
【单选题】运算放大器在信号运算方面的应用时常采用( )
A.
正反馈
B.
负反馈
C.
无反馈
D.
正负反馈均可
【单选题】运算放大器在信号运算方面的应用时常采用( )。
A.
正反馈
B.
负反馈
C.
无反馈
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