对X线吸收与衰减的叙述，错误的是A．X线强度与距离平方成反比 B．X线与物质相互作用

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                                                      A Golden Watch

       Mr. Mike was a young man.  He was not very rich. One day he went into a watch shop to buy a

nice-looking watch for his girl friend, Rose.  He fixed his eyes on a nicc golden watch, and decided to

buy it.  The shop assistant took the watch out, and asked for three hundred pounds for it. Just then, a

boy of about fifteen suddenly rushed over and grasped the watch from the assistant's hand.  The assistant

hurried out to catch the boy.  But it was too late,  the boy had disappeared among the street people very

quickly.

       On the way home, Mike met the boy, who would sell him the golden watch for only one hundred

pounds.  "The boy didn't know that I saw him stealing the watch from the shop.  And he asked for mLich

less money than that in the shop. " Mike thought to himself. So he paid the boy and took the watch home.

       The next day, Mike gave the golden watch to Rose, and told her all about the watch.  Rose looked

at the watch for a while,  then,  laughed loudly,  "You are really a fool!" she said, "This watch isn't worth

100 pounds at all.  The assistant and the boy must have planned the whole thing together!

1. The shop assistant said the price of the watch was_________.       

A. 100 pounds                

B. 200 pounds

C. 300 pounds              

D. less than 100 pound

2. The shop assistant must have known_________very well.  

A. Mike      

B. the boy      

C. Rose        

D. nobody

3. The boy would sell Mike the watch for _________.     

A. 200 pounds      

B. 300 pounds

C. as much money as that in the shop

D. much less money than that in the shop

4. In fact, the watch was worth _________.         

A. 100 pounds                

B. 300 pounds

C. just a little money            

D. much more money

5. In this story, who really lost something?     

A. The shop assistant            

B. Mike

C. The boy                    

D. Rose

2010年3月1日，全国电影工作电视电话会议在北京召开。中 * * 政治局常委李长春对会议作出重要指示，强调要大力发展电影产业。大力发展电影产业

①是加强社会主义文化建设的重要举措  ②可以扩大中华文化国竞争力和影响力  ③可以增强国家文化软实力  ④是文化发展的中心环节

A①②③    B①③④    C②④    D③④

正火与退火的目的基本相同，但退火速度比正火快。

请简析《雷雨》中鲁侍萍这一人物形象。

有关阴囊，下列哪项叙述错误

A．阴囊为一皮肤囊袋

B．阴囊壁由皮肤和肉膜组成

C．肉膜的舒缩可使阴囊松弛或收缩

D．阴囊的浅筋膜富含脂肪

E．阴囊分为左、右两部