纳米布沙漠是世界上最古老、最干燥的沙漠之一,它起于安哥拉和纳米比亚边界,止于奥兰治河

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问题:

纳米布沙漠是世界上最古老、最干燥的沙漠之一,它起于安哥拉和纳米比亚边界,止于奥兰治河,沿非洲西南大西洋海岸延伸2100公里;纳米布沙漠被艾塞布干河分成两个部分,南面是一片浩瀚的沙海,北面是多岩的砂石平原。
纳米布沙漠年均降雨量不足25毫米,有时甚至数年滴雨不下。只有大西洋的阵阵风暴,每月会给这片沙漠带来五六天的浓雾。想象中那该是一片荒凉的不毛之地,然而,就在砂石平原上,却生长着一种神奇的植物——千岁兰。
作为纳米布沙漠上独有的植物,千岁兰的根一部分深深扎入砂石中,一部分裸露在地表上:它有一对皮革般的带状叶子,长的可达3米多;这种半似松树球果半似绿色花卉的植物,顶端还生长着如同枸杞一般的红果……
在那酷热的沙漠戈壁中,干旱时常威胁着千岁兰的生命。因为缺水,千岁兰宽厚的叶片便会渐渐枯萎,看起来就像一堆破布条;炎炎烈日下,风沙还要不停地抽打千岁兰;荒凉的沙漠中,挺立的千岁兰还是动物们的美食……
如此恶劣的条件下,千岁兰的生命纵然不会短暂如昙花一现,大概也经不起岁月的几番轮回吧。可事实却让人目瞪口呆——千岁兰的寿命竟然长达2000年!
这是怎样神奇的植物,干旱的日子里,肆虐的狂风中,千岁兰一任动物们吞噬自己的枝叶;而它自己所能做的,只是默默地忍耐、坚忍地等待,等待着雨水的降临。无雨的季节,千岁兰伸展开长长的叶子,尽情吸纳雾气与露水,然后贮存起来,用来渡过生命中的难关……难怪著名植物学家韦尔威特希考察纳米布沙漠时,面对千岁兰感慨万端:“我坚信这是南部非洲热带生长的最美丽、最壮观、最崇高的植物,是非洲最不可理解的植物之一。”

考点:在职联考GCT(语文)语文
题型:问答题

餐饮从业人员______质量的好坏,决定着企业的效益和信誉。

A.烹制点心

B.烹制菜肴

C.烹制菜点

D.提供服务

E.仪容仪表

题型:问答题

Teaching includes more than leadership. Some of the teacher's time and effort is directed toward instruction, some toward evaluation(评价). But it is the teacher as a group leader who creates an effective organizational structure and good working environment so that instruction and evaluation activities can take place. A group that is totally disorganized, unclear about its goals, or constantly fighting among its members will not be a good learning group. The leadership pattern includes helping to form and keep up a positive learning environment so that instruction and evaluation activities can take place.

On the first day of class the teacher faces a room filled with individuals. Perhaps a few closely united groups and friendships already exist. But there is no sense of belonging. If teachers are successful leaders, they will help students develop a system of relationships that encourages cooperation.

Standards and rules must be set up that keep order, ensure justice, and protect individual rights, but are not against school policy. What happens when one student hurts another's individual rights? Without clear guidelines agreeable to students, teachers, and administration(行政管理), the classroom can be in disorder. Students may break rules they did not know existed. If standards are set without opinions from the class, students may spend a great deal of creative energy in ruining the class environment, finding ways to break rules.

No matter how skillful the teacher is in uniting students and setting up a positive atmosphere, the task is never complete. Regular maintenance(保持) is necessary. Conflicts(冲突) arise. The needs of individual members change. A new kind of learning task requires a new organizational structure. Sometimes out pressures such as holidays, upcoming tests or athletic contests, or family troubles cause pressure in the classroom. One task for the teacher is to bring back a positive environment by helping students deal with conflicts, changes and pressure.

68. This article is written mainly for the purpose of ______.

A. providing information for teaching    

B. studying the teacher's behavior in the classroom

C. comparing the teacher's behaviors with students'    

D. teaching and organizing a class

69. The teacher, in some way, is a leader because ______.

A. he must well-organize a class and keep a good learning environment

B. he deals with students in the same way as a leader does

C. he should develop agreement among students

D. he has to keep his class in order and give instruction and evaluation

70. Which of the following is not true?

A. If the teacher well unites his student sand creates a positive atmosphere, he then will complete his task.

B. If guidelines are not acceptable both to students and teachers, the classroom can be a mess.

C. Outside pressure may cause pressure among students.

D. Students need the teacher just as sheep need a shepherd(羊倌).

题型:问答题

男,40岁,劳累后突然呕大量咖啡色胃内容物,查体:面色苍白,巩膜轻度黄染,四肢湿冷,脉细速,血压正常

其出血的原因最可能的是()

A.胃、十二指肠溃疡病

B.门静脉高压症

C.出血性胃炎

D.胆道出血

E.胃癌

题型:问答题

巴比妥类禁用于()

A.高血压患者精神紧张

B.甲亢患者兴奋失眠

C.肺功能不全烦躁不安

D.手术前患者恐惧

E.神经官能症性失眠

题型:问答题

平面划线时,确定两个基准,立体划线时,确定三个基准。

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