题目内容

【题目】按目前的融化速度,喜马拉雅冰川在2035年之前消失的可能性非常大。据此完成下列问题。

【1】造成喜马拉雅地区冰川快速融化的主要原因是

A.科学考察，人类干扰增多 B.温室效应

C.拉尼娜现象，降水增多 D.探险旅游，乱扔废弃物

【2】冰川的快速融化，对喜马拉雅地区产生的影响是

A.改善光热水土条件 B. 缩短冻土冻融周期

C.破坏冰川生态环境 D. 导致山地雪线下降

【答案】

【1】B

【2】C

【解析】

试题分析:

【1】喜马拉雅地区冰川融化，与科学考察、探险旅游、人类乱扔废弃物关系不大，A、D错。冰川融化主要受温度升高影响，主要是人类大量排放温室气温，温室效应增强，使全球气候变暖引发的，B对。拉尼娜现象指赤道太平洋东部和中部海面温度持续异常偏冷，冰川量增加。降水增加，冰雪量增加，喜马拉雅冰川量增加，C错。

【2】冰川快速融化，短期内水资源增加，但长远看，永久冰川减少，水资源减少，气候变干，生态恶化，A错，C对。冻土冻融周期与温度相关，与冰川快速融化无关，B错。冰川快速融化，山地雪线上升，D错。

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Kind words and affection are simple ways to showspan> respect. Tell your parents you love them. Listen and allow your parents to speak without interruption. Show a sincere interest in what your parents have to say. Be patient with your parents and don’t rush them. Never talk back or be rude or disrespectful. Acknowledge your parents’ achievements. 5

A. Be a good listener.

B. Celebrate with them.

C. Lateness indicates a lack of respect.

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