某酒店客房内备有零食、酒水供房客选用，价格明显高于市场同类商品。房客关某缺乏住店经验

Most plants can make their own food from sunlight, (1) some have discovered that stealing is an easier way to live. Thousands of plant species get by (2) photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground (3) of fungi(真菌). But in (4) a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how (5) are (6) , mycologist Martin Bidartondo of the University of California at Berkeley and his team looked in their roots. What they found were (7) of a common type of fungus, so (8) that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only (9) at how they survive, says Bidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.

Plants have (10) relations to get what they need to survive. Normal, (11) plants can make their own carbohydrates through photosynthesis, but they still need minerals. Most plants have (12) a symbiotic relationship with a (13) network of what are called my corrhizal fungi, which lies beneath the forest (14) . The fungi help green plants absorb minerals through their roots, and (15) , the plants normally (16) the fungi with sugars, or carbon with a number of plants sharing the same fungal web, it was perhaps (17) that a few cheaters—dubbed epiparasites—would evolve to beat the system. (18) , these plants reversed the flow of carbon, (19) it into their roots from the fungi (20) releasing it as "payment.\

12（）

A.created

B.developed

C.designed

D.formulated

阅读下列材料：

材料一：

材料二：以色列国防军地面部队18日继续在巴勒斯坦加沙地带实施军事行动，其活动范围已从加沙南部边境向内深入4公里。

——2006年10月19日 21:29:19新华网

材料三：以色列 * * 奥尔默特在接受以色列电台的访问中说，他在做极大的努力，与阿巴斯总统开始对话。他说，“(中东和平)路程漫长……我们不必匆忙。将如何终结，有待观察。” ——2007年3月25日 http://www.oushinet.com欧洲时报

请回答

（1）从材料一中图文说明了什么？

___________________________________________________________________________________________

（2）材料二又说明了什么？

___________________________________________________________________________________________

（3）为什么“（中东和平）路程漫长”？试分析造成这一地区动荡不安的主要原因。

___________________________________________________________________________________________

___________________________________________________________________________________________

______________________________________________________________________________________________________________________________________________________________________________________

___________________________________________________________________________________________

___________________________________________________________________________________________

___________________________________________________________________________________________

管乐器的音调变化由______决定，______产生低音，______产生高音．

头部泛发淡红色斑片，其上有灰白色糠秕状鳞屑，其诊断是：

A．外感风热之毒，阻于肺胃二经，蕴蒸皮肤而发
B．情志内伤，肝气郁结，久而化火，肝经火毒，外溢皮肤而发
C．寒湿困脾，脾失健运，肌肤失养而发
D．肝胆湿热，蕴结肌肤而发
E．禀赋不耐，风、湿、热毒郁于肌肤而发

风险管理的主体是（）。

A.法人

B.个人

C.任何组织和个人

D.组织