下列哪一项是正确的（　）

[填空题]通过增减（），调整尖轨、心轨顶铁间隙，并同时考虑轨距、支距状态。

[问答题]Practice 1　　The greenhouse effect causes trouble by raising the temperature of the planet. The  1 rise is not very much，but the Earth’s ecosystem is very weak，and small changes can have large effects.　　It has been believed that this 2 of one degree will happen by the year 2025. This could probably  3 the North American corn belt, which produces much of the world’s grain， 4 to much higher food prices，and even less food for the Third World than they already have. However，it would also mean that some countries which are further north would be able to  5 crops they had never been able to before，although there is less land as you move north from the corn belt.　　The other serious worry is that rising sea levels from the melting of the polar ice could  6 flood many countries. A rise in sea levels of one meter，which many expels are  7 by the year 2100 (and some as soon as 2030)，would flood 15 percent of Egypt，and 12 percent of Bangladesh. The Maldives in the Indian Ocean would almost  8 disappear. Most of the countries which would suffer most from a rise in sea levels are the poor  9  states，so the islands in the Caribbean，South Pacific，Meditertgiiean and Indian Ocean have formed the Alliance of Small Island States，AOSIS，so they have a  10 voice in international politics and can make the richer developed world listen to their problems.[A] severely 　　　　 [B] damage　　　　　[C] island[D] critical　　　　　[E] grow 　　　　　 [F] mainland[G] louder 　　　　　 [H] predicting 　　 [I] rise[J] completely 　　　 [K] geometry 　　　 [L] actual[M] extending 　　　　[N] 1eading 　　　　[O] develop

[单选题]按照综合单价法计算，单位工程报价由分部分项工程费、措施项目费、其他项目费、税金和（）构成。

[多选题]临床上小儿急性喉炎的表现为 ( )

[单选题]果汁加工原料的成熟度应为（）。

[单选题]使用外部样式文件时，在文档的头部区域使用的标记是（）。

[单选题]X线管阳极靶面材料的特点不包括下列哪项 ( )

[填空题]常用的缓解病情抗风湿药有（）、（）、（）。

[单选题]RDW增大一般说明红细胞（）

[单选题]患者男，13岁，面部检查，无明显的异常，覆盖4mm， 和 开始，磨牙轻远中关系，牙弓无拥挤，上前牙略前突，尖牙弓。下前牙直立，4个第三磨牙牙胚存在。有伸舌习惯 如进行常规固定正畸治疗，需如何进行拔牙设计（）.