题目内容

【题目】我国山地面积占1/3，山区面积占2/3。山区的优势是（　　）

A. 发展农业多种经营 B. 开发生态旅游

C. 基础设施建设难度较小 D. 山区生态环境与平原相比，并不脆弱

【答案】AB

【解析】我国地形复杂多样，山区面积广大，地形复杂为我国发展多种农业提供了基础，山区多可以发展多种农业以及开放生态旅游，但是山区多，交通不好，基础设施建设难度较大，山区生态环境与平原相比，十分脆弱，易发山体滑坡；故选项AB正确。

练习册系列答案
相关题目

【题目】现代测量表明，位于欧洲和非洲之间的地中海正不断变小。有人预言，几千万年后，地中海就会消失。地中海消失的原因是

A．全球变暖，海水蒸发旺盛 B．板块碰撞，发生挤压

C．地球公转 D．围海造地

【题目】长江中下游地区及其以北24小时内气温下降10摄氏度以上，最低气温在5摄氏度以下，且陆地上伴有5-7级大风，海上伴有6-8级大风，这种气象灾害叫做_______。

【题目】

A young man from a village called Nawalapitiya married a young woman from Maiyuwa, a small village. They lived with the man's big family--his parents, his brothers, their wives and children. The family kept an elephant, in which the woman soon took a great interest. Every day she fed it with fruit and sugar.

Three months later, the woman went back to her parents' home after having quarreled (争吵) with her husband. Soon the elephant refused (拒绝) to eat or work. It appeared to be ill and heartbroken. One morning after several weeks, the animal disappeared from the house.

It went to the woman's home. On seeing her, the elephant waved its trunk and touched her with it. The young woman was moved by the act of the animal. So she went back to her husband's home.

【1】The woman left her new home_________.

A. to visit her own parents in Maiyuwa

B. to see if the elephant would follow her

C. because she was angry with her husband

D. because she was tired of the large family

【2】The underlined word "disappeared" in the reading means___________.

A. ran away B. lost C. hid D. remained

【3】After the young woman left her husband's home, the elephant__________.

A. returned to the forest B. was sad because it missed her

C. went to look for a new home D. was sick because nobody fed it

【4】How did the elephant express its feeling when it saw the young woman?

A. It waved its trunk and smiled. B. It touched her with its trunk.

C. It touched her and cried. D. It waved its trunk and ran around her.

【5】The writer wrote the story in order to___________.

A. show that elephants are very clever

B. tell how a woman trained a wild animal

C. show that women care more for animals than men do

D. tell how an animal got a husband and a wife together again

【题目】 2019年10月1日，庆祝中华人民共和国成立70周年大会在北京天安门广场隆重举行。中华儿女方阵中“宝岛台湾”彩车在天安门广场亮相。彩车以“两岸一家亲，共圆中国梦”为主题，充分展现了两岸同胞同心共创中华民族伟大复兴的美好未来。下图为台湾地形图。

读图，完成下面小题。

【1】庆祝中华人民共和国成立70周年大会在北京天安门广场隆重举行，20余万军民以盛大的阅兵仪式和群众游行欢庆共和国70华诞。这凸显了北京的城市职能之一是

A.政治中心B.文化中心

C.科技创新中心D.国际交往中心

【2】台湾被称为“宝岛”的原因有

①我国第一大岛

②地理位置重要

③我国不可分割的神圣领土

④气候湿热，平原面积大

⑤盛产丰富的亚热带、热带经济作物

A.①②③④B.①②③⑤C.①③④⑤D.②③④⑤

【3】影响台湾岛铁路呈环状分布的自然因素是

A.气温B.降水C.地形D.人口

【题目】小明和小华合作做“研究杠杆平衡条件”的实验

（1）实验时，小明先调节杠杆在水平位置平衡，你认为这样做的好处是 ．

（2）小华将四个重力均为0.5N的钩码挂在杠杆左端后，又将弹簧测力计钩在杠杆A处的细线上（如图）．要使杠杆在水平位置平衡，且弹簧测力计的示数最小，则小华应沿 方向拉弹簧测力计．在此情况下，小华读出弹簧测力计示数为4.2N．小明和小华对实验数据分析后得到的结论是：在误差允许的范围内，动力×动力臂=阻力×阻力臂．你认为他们这样就得出结论是否合理？ ；

简述理由： ．

【题目】我国地势西高东低，呈阶梯状分布，对其它地理要素产生很大影响，下列说法正确的是（　　）

A. 地势西高东低，使得大多数河流自西向东流入太平洋，有利于沟通东西的交通

B. 地势西高东低，有利于从海洋来的湿润气流深入内地给内地带来降水

C. 河流流经不同的地势阶梯，落差小，水能资源少

D. 长江、珠江等河流顺地势自西向东流入东海

【题目】我国气候类型复杂多样，主要原因是（　　）

A. 地域辽阔 B. 河流湖泊众多 C. 地跨众多的温度带和干湿地区 D. 土地资源类型多样

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网