问题 选择题

科学家曾观测到南极上空的臭氧层空洞扩大到智利南部城市蓬塔阿雷纳斯(540S,720W)上空。读图回答题。

小题1:.蓬塔阿雷纳斯的气候特点是       

A.夏季炎热干燥,冬季温和多雨

B.终年温和多雨

C.夏季高温多雨,冬季寒冷干燥

D.终年寒冷干燥小题2:.图中M处为巴塔哥尼亚沙漠,该沙漠的形成原因是                           

A.沿岸有寒流经过

B.地处山脉的背风坡

C.受副热带高压控制

D.受干燥的东南信风控制小题3:.臭氧层空洞的出现,带来的后果是                               

①土壤酸性增强,建筑物和文物古迹受腐蚀  ②紫外线照射量增加,利于林木生长   

③患白内障和皮肤病的人数明显增多       ④大气的温室效应增强  

A.①③

B.②③

C.②④

D.③④

答案

小题1:B   

小题2:B   

小题3:D

小题1:本题主要考查了气候和臭氧空洞的问题。1.根据经纬度和海陆位置可以知道该地为温带海洋性气候。

小题2:2.地处西风带的背风坡。

小题3:3.臭氧层空洞带来的后果主要是因为紫外心带来的影响所致还有会增加辐射等

解答题
阅读理解

阅读理解。

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余选项。

                                                                  How to Make Friends

     Friendship is a very important human relationship and everyone needs good friends.  Good friendship

has many benefits.  It offers companionship, improves self-worth and promotes good health.  There are

times in our lives such as when we have recently moved into a new town, or changed our jobs or

schools.  Such changes often leaves us without a friend   1 .  But for many of us the process is difficult

and requires courage.  Below are some helpful suggestions on how to make and keep friends.

    1.Associate with others.

     The first step to making friends is associating with other people.  You can go to public places to meet

new people.  Besides, you will need to make yourself known by becoming an active member of such

places.

    2.Start a conversation

    Starting a conversation is the second most important step in making new friends.    2  You can always start the conversation.  Being able to make small talk is a very useful skill in relating with other people.  

    3.  3  

    Choosing friends with common interests is important in building friendship as these interests would

always bring you and your friend together, Hanging out will always be a pleasant experience.

   4.Let it grow.

    It is a good thing to stay in touch.  However, try not to press your new friend with calls, messages or

visits as this would likely wear him or her out and finally you may lose your friend.    4   .  The best

friendships are the ones that grow naturally.

   5.Enjoy your friendship

   The best way to enjoy your friendship is to allow your friends to be themselves.     5   Try not to

change them from who they are to what you want them to be.  Become the kind of friend you will want

your friend to be to you.

A.  Be cheerful.          

B.  Do things together.        

C.  Do not wait to be spoken to.          

D.  Try not to find fault with your friends.

E.  Making new friends comes easy for some people.

F.  For a friendship to develop you need to stay in touch.

G.  So you will need to give your friend time to react to you.