问题 问答题

读如图“我国四大地理区域图”,完成下列要求.

(1)20元人民币上的景观,分布在图中______(填字母)区域,50元人民币上的景观,分布在图中______(填字母)区域;

(2)图中B是我国的______地区,该区域内的耕地类型属于______;

(3)C区域主要的自然特征是______,造成A、D区域自然特征差异的主要原因是______因素;

(4)图中A、B区域的分界线是______一线.

(5)图中A区域内农作物熟制一般是:______

     A.一年一熟    B.一年两熟或两年三熟  C.一年两熟    D.一年两熟到三熟.

答案

(1)20元人民币上的景观(桂林山水),分布在我国的南方地区,50元人民币上的景观(布达拉宫),分布在我国的青藏高原地区.

(2)图中B是我国的北方地区,北方平原广阔,耕地多,但热量较低,降水较少,以旱地为主.

(3)C西北地区地处内陆,气温冷热变化剧烈,年降水量表现出由东向西逐渐减少的态势.由于海拔较高和云量较少,本区成为太阳辐射高值区.本区河流稀少,且大多数是内流河.总的来说,干旱是本区自然环境的主要特征.D青藏地区自然环境特征是高寒,原因是受地形因素的影响,海拔高气温低.

(4)北方和南方地区的分界线是秦岭淮河一线.

(5)我国南方地区的农作物熟制一般是:一年两熟到三熟.

故答案为:(1)A;D;(2)北方;旱地;(3)干旱;地形;(4)秦岭淮河;D.

问答题 简答题
单项选择题 案例分析题

From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When humans first 1 , they were like newborn children, unable to use this 2 tool. Yet once language developed, the possibilities for human kind’s future 3 and cultural growth increased.

Many linguists believe that evolution is 4 for our ability to produce and use language. They 5 that our highly evolved brain provides us 6 an innate language ability not found in lower 7 . Proponents of this innateness theory say that our 8 for language is inborn, but that language itself develops gradually, 9 a function of the growth of the brain during childhood. Therefore there are critical 10 times for language development.

Current 11 of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. 12 , more and more schools are discovering that foreign languages are best taught in 13 grades. Young children often can learn several languages by being 14 to them, while adults have a much harder time learning another language once the 15 of their first language have become firmly fixed.

16 some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been 17 from other human beings do not possess language. This demonstrates that 18 with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language 19 than any innate capacities. These theorists view language as imitative, learned behavior. 20 , children learn language from their parents by imitating them. Parents gradually shape their child's language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones.

请在2处填上正确答案()

A.valuable

B.appropriate

C.convenient

D.favorite