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问题 选择题

海湾危机发生后，中国在谴责伊拉克和要求其撤军的安理会决议中投了赞成票，但是对安理会第678号决议投了弃权票，表明中国政府 [ ]

A．坚持独立自主的和平外交政策

B．在国际事务中没有自己的立场，外交政策摇摆不定

C．害怕承担联合国常任理事国的责任

D．支持伊拉克在科威特的行动，以示对西方国家的不满

答案

答案：A

填空题

What is distance learning It means that you study on your own, at home or wherever suits you. Recently, the world famous Open University in the United Kingdom has designed a new style of distance learning, which is called (1) . The phrase "Open Learning" means you study (2) . You read course material, work on course activities, and write (3) . The word "Supported" means you have help (4) , the student services staff at regional centres, and centralized areas such as (5) . You can also contact other students through tutorials and (6) , the University’s online conferencing system, and events and clubs organized by (7) . Most distance learning courses use printed paper materials. They also include some (8) materials such as a CD, DVD or video. Many courses have a web site and an (9) . You’ll need access to a computer (10) to make use of these. The Open University can help its students buy a computer and (11) the cost of accessing the Internet.

With most distance learning courses, no (12) are required to study. of course, you have to be aged 18 when your course starts but there is no (13) . Currently the Open University has around (14) undergraduate and more than 30,000 postgraduate students, of which 10,000 have (15) . Nearly all students are studying (16) . About 70 per cent of undergraduate students are in (17) . More than 50,000 students (18) by their employers for their studies. Most distance learning courses (19) . Some of them are even available in other parts of the world. With over 25,000 of its students living outside the UK, the Open University is the (20) that offers distance learning throughout the world.

13（）
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单项选择题

制作金属全冠熔模的嵌体蜡的性能及其用法中错误的是（）。

A.加热后蜡条能均匀软化，不出现鳞状碎屑

B.在稍高于口腔温度时有良好的可塑性

C.在温度降到口腔温度时，形成稳定，并且易于雕刻的外形

D.当加温到50℃时能气化挥发，并且参与灰粉少

E.可用火焰烘烤，烤箱中加热或者在热水浴中浸泡等方法软化蜡条
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