According to the passage, what is one disadvantage of skyscrapers that have mirrored walls?

• A、 The exterior surrounding air is heated
  
  

• B、The building materials are very expensive.
  
  

• C、Construction time is increased.
  
  

• D、Extra air-conditioning equipment is needed. 
  
  

四、填句补文：第 26~30 题，每题 2 分，共 10 分。

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A Lucky Pen

"Mommy, I’ve got something for you! George ran through the door after school one day. He waved something above his head. “See, it's a lucky pen!” ____26____ I looked at the pen in my hand. There was nothing special about it. But I didn't realize how special it was at that moment. I had made the decision to pursue a career in writing. ____27____ I had dreamed about it for a long time but I was afraid to take a chance. I was scared of rejection.

The night before, I had voiced those fears to my husband when I thought George wasn't listening. But George must have overheard us. Now he stood in front of me, watching me examine the pen. “You don't have to be scared now,” he said. “This pen will make your stories great and everyone will love you.” Tears filled my eyes. ___28_____ Rejection didn't seem like such a big deal any more. Even if I never sold the first story, I had everything I could ever need. George in my life!

I found out later how lucky I was when I heard what he did to get the pen. During lunch break at school that day, George heard a boy talking about a lucky pen he had. ____29____ The boy was a tough negotiator but George didn't give up. In the end, he traded his lunch, his favorite cartoon book, and his new football, his most prized possession for that pen. Just to make me feel better.

____30____ It never fails to remind me just how lucky I am! I am the luckiest mother in the

world now and forever.

A: He got it as a birthday gift.

B: It was a decision full of fear and anxiety for me.

C: He wanted to get it for me.

D: He handed me the pen happily and proudly.

E: I grabbed him and pulled him tight against me.

F: I still have that pen, though it's long out of ink.

The study followed the students for a decade.

• A、True
  
  

• B、 False
  
  

• C、Not Given