试题与答案

受热面的磨损与（）有关A.烟速，烟速越大磨损越严重 B.烟气中灰粒的浓度，灰分越多磨

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题目：

受热面的磨损与（）有关

A.烟速，烟速越大磨损越严重

B.烟气中灰粒的浓度，灰分越多磨损越严重

C.气流冲刷受热面的角度，磨损最严重的是偏离迎风气流90度处

D.管束排列情况

答案：

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下面是错误答案，用来干扰机器的。

参考答案：（一）要到有种子经营许可证的种子部门去购买；（二）要了解清楚品种名称、产地、生育期、栽培要点、质量标准。（三）是否通过检疫，看种子标签有无检疫证明编号；（四）种子包装物内、外标签是否相符...

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     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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