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围绕保持党的先进性和纯洁性，中 * * 党在全党范围内深入开展以“为民、务实、清廉”为主要内容的群众路线教育实践活动。做好这项工作有利于

①践行党的性质、宗旨，坚持党的执政理念

②履行党的管理职能，完善党的执政方式

③发挥党的领导作用，巩固党的执政地位

④赋予党的执政资格，提升党的执政能力

A．①②

B．①③

C．②④

D．③④

答案

答案：B

题目分析：中 * * 党在全党范围内深入开展以“为民、务实、清廉”为主要内容的群众路线教育实践活动有利于践行党的性质、宗旨、执政理念，有利于发挥党的领导核心作用，故题肢①③正确；题肢②说法错误，中 * * 党不履行政府职能；题肢④说法错误，因为党的执政资格是由法律赋予的。答案选B。

完形填空
选择最恰当的单词或词语完成短文。
     Do you know what happens on the first Sunday of August every year? This day is International
Friendship Day. On this day people think of different ways to remember their friends and     1   what their
friends bring to their lives.
     People have  all sorts  of  friends -school  friends, work colleagues, neighbours,  brothers  and  sisters,
parents, and even pets!     2     can you let your friends know that you really care about them?
     Here are some suggestions for what you can do on international Friendship Day to show your friends
how     3  they are to you:
     Try to visit all the friends who live near you and give them each a hug.
     Buy flowers or chocolates for your friends, or better still, make them a cake or a small present.
     If your friends are fond of    4    why not make them a tape of the pop groups they like best.
     Go with some friends to a photo machine and take some pictures of you all enjoying yourselves.These pictures will give you good    5    .
     Send your friends an online greeting card, and don't forget to include some photos and messages
maybe a poem-telling your friends how great they are.
     Plan a day out for your friends. A picnic in the park or, time at the beach is always fun.
     If your friends are busy     6     , how about organizing a dinner party at a local restaurant.
     Buy your best friend a ticket to a good movie or take them to see a theatre show. Make sure that you
think about their tastes when you book the ticket.
( )1.A write        
( )2.A Why          
( )3.A special      
( )4.A food        
( )5.A memories    
( )6.A in the evening		B celebrate   
B Where        
B strange      
B pictures    
B lessons      
B at the weekends		C recite      
C How          
C funny        
C sports      
C signs        
C during the day		D enjoy            
D When            
D beautiful        
D music            
D presents        
D during the week  
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填空题

亚氯酸钠（NaClO2）是一种强氧化性漂白剂，广泛用于纺织、印染和食品工业。它在碱性环境中稳定存在。某同学查阅资料后设计生产NaClO2的主要流程如下。

（1）双氧水的结构式为：           ；Ⅰ中发生反应的还原剂是　　　　　（填化学式）。

（2）Ⅱ中反应的离子方程式是　　　　　                      　　　 。

（3）A的化学式是　　　　　　　 ，装置Ⅲ中A在　　　　　　　 极区产生。

（4）ClO2是一种高效水处理剂，可用亚氯酸钠和稀盐酸为原料制备。

①写出该反应的化学方程式　　　　　　　。

②研究表明：若反应开始时盐酸浓度较大，则气体产物中有Cl2，用离子方程式解释产生Cl2的原因　　　　　　                        　。

（5）NaClO2变质可分解为NaClO3和NaCl。取等质量变质前后的NaClO2试样均配成溶液，分别与足量FeSO4溶液反应时，消耗Fe2+的物质的量　　　    (填相同、不相同或无法判断)
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