A) of
B) in
C) with
D) within
1、[A]of 。主要考查的是非限制性定语从句，把从句改成并列可以理解为：“In India more than one hundred languages are spoken, and only fourteen of them are recognized as official.”。
句意：在印度有100多种语言在使用，其中只有14种是公认的官方语言。
2. Techniques for ________sleep would involve learning to control both mind and body so that sleep can occur.
A) cultivating
B) promoting
C) pushing
D) strengthening
2、[B] promoting增进, 促进。其他选项A) cultivating促进增长,促进(生物培养)的增长;C) pushing 推动, 强迫，鞭策； D) strengthening 加强使强壮或增加…的力量。
句意：改善睡眠的技巧包括学会控制大脑和身体使睡眠发生。
3. It is important to ________between the rules of grammar and the conventions of written language.
A) determine
B) identify
C)explore
D)distinguish
3、[D]distinguish(常与from, between连用)区别，区分，如“distinguish between right and wrong(辨别是非)。其他选项A) determine决定, 确定, 测定, 使下定决心；B) identify认出，识别，鉴定(及物动词)，如“I identified the jacket at once; it was my brother’s. (我立即认出了那件外套,它是我兄弟的)”；C)explore勘探，探测，探索，研究。
句意：区别书面英语的语法和约定用法是很重要的。 wｗw.ExamＷ.CoM
4. It is too early to say whether IBM’s competitors will be able to ________their products to the new hardware at an affordable cost.
A)adapt
B)stick
C) yield
D)adopt
4、[A] adapt(sth. to)使某事物适应或适合, 如“adapted themselves to city life(使他们适应城市生活)”；其他选项;B)stick(to)坚持，固守保持坚定、确定或决定;C) yield(to)屈服, 让步；D)adopt采用，采取，如“adopt a new technique.(采用新技术)”affordable支付得起的, 不太昂贵的。
句意：IBM的对手是否会在能承受的代价范围内改造他们的产品使其适应新的硬件，下定论还为时过早。
5. This research has attracted wide coverage in the ________and has featured on B-B-C television’s Tomorrow’s World.
A) data
B)source
C)message
D)media
5、[D]media媒体。见前面的“coverage”是 涉及范围(如保险范围或储备金额), 涂层, 新闻覆盖率，而且也提到的BBC。
句意：这个研究吸引了广大媒体的报道，而且在BBC的明日世界里已经播出。
