答案：(1)亚热带常绿阔叶林带。地域分异规律：垂直地带性。 (4分) (2)两座山峰南坡都是迎风坡，受来自印度洋的暖湿气流影响 较大，降水多于北坡；雪线低的主导因素均为水分。(6分) (3)南迦巴瓦峰北邻雅鲁藏布江谷地，暖湿气流容易深入，水 热条件好于珠穆朗玛峰。(6分) (4)南坡山脉自然带谱更加丰富；南坡基带为热带雨林带，北 坡基带为针阔混交林带；相同类型的自然带，南坡出现的高度比北 坡低。主要原因：南坡纬度低，南坡相对高度大于北坡。(6分)

解析：降水对于高寒草地的变化影响是极其重大的，从图中可 以看出，年内牧草生长的动态变化呈单峰曲线，天然草地牧草产量 随降水量的增加而增加，与气温相比，降水的影响更大，因为高原 气温上升幅度不会太大。 答案：C

解析：冷季草场为越冬牧场，对应冬春草场，由于山上气温低， 故冷季草场要选择在海拔较低处，这些地区气候温暖。 答案：A

B.More careful paperwork should be carried out. C.Complicated paperwork should give way to saving lives. D.Waste and dishonesty should be severely punished. 24.What's the main idea of the text? A.Disaster managers will be in great demand. B.There will be more and more rain in the future. C.People should change lifestyle for the climate. D.Hotter climate will bring about more disasters.

C.A bank clerk 3.What does the woman suggest doing to celebrate her birthday? A.Having dinner. B.Watching a movie. C.Going hiking. 4.What has the man decided to do? A.Check the schedule. B.Go to see the engineer. C.Continue the meeting with the accountant. 5.What can be known about the man speaker? A.He got the shoes from his friend. B.He bought the shoes at a higher price. C.He paid 40 pounds for his new shoes.

sic,or sports.Anyway,as her brother,I want to give this gift to her and say something to my sister personally now:It's a ma- chine that allows you to travel back in time.You can only take 30 pictures with it,so choose your pictures wisely.When you're done,put them in a box that says "Open on Our 50th Anniversa- ry".On that day,get the pictures developed.I hope it gives you the same thing to look forward to,as well as look back on.And I wish you all the happiness.Congratulations!

12.影响海南岛热带稀树草原形成的自然因素是 A.地形 B.热量 C.水分 D.人类活动

解析：亚欧大陆东部大陆性气候显著，冬半年易受极地南下冷 空气影响，气温低；东部沿岸有寒流流经；地形多山地、原；同纬 度相比，得到的太阳辐射相差不大。 答案：D

解析：读图可知，图甲是森林景观，树木排列整齐，为人工林。 答案：A

8.从温尼伯乘车前往落基山前的莱斯布里奇，沿途的景观依次为 A.森林草原、森林、荒漠草原、草原 B.荒漠草原、草原、森林草原、森林 C.森林、森林草原、草原、荒漠草原 D.草原、荒漠草原、森林、森林草原