简述驱逐舰的特点。

阅读理解。

     One day,  Jack's  parents told him that  his grandpa would  retire(退休)  after working  for forty years.

Jack said in surprise, "I'm only seven, so it means Grandpa has been… er … A really long time!"

     His parents said, "Yes. That's why we are going to have a surprising party for him. "

     Jack loved his grandpa and wanted to do something special for him. He remembered the business card his grandpa had given him two years before. He knew that his  grandpa would no longer have the position(职位) on that card, so he decided to build a new one for his grandpa.

     When the big day came, Jack was ready.  But he didn't  want to put his gift together with  others'.  He

carried it around with him the whole evening.

     When all the other people left, he took his  grandpa's hand and brought him over to a chair and gave

him the gift.

     His grandpa smiled, "Well, it must be a beautiful gift. May I open it now?" "Sure!" Jack said excitedly.

     As Grandpa opened the gift, tears came into his eyes. Jack gave him the greatest gift he had ever got!

They were business cards with new position: FULL-TIME GRANDPA! Jack said, "Now your full-time

job is my grandpa!"

     Well, how much do I get paid?" his grandpa asked, smiling. "As many hugs as you want!" With these

words,  Jack  gave Grandpa a hug.  " Well,  I guess that means  I'm the richest man in the world! "  said

Grandpa.

1. Who was going to retire?

A. Jack's grandma.

B. Jack's grandpa.

C. Jack's mother.

D. Jack's father.

2.  Jack remembered __________ his grandpa had given him two years before.

A. the birthday card

B. the boy

C. the book

D. the business card

3.  What did Jack decide to do for his grandpa?

A. To build a new position for him.

B. To draw a picture for him.

C. To sing a song for him.

D. To buy a gift for him.

4. Which of the following is TRUE?

A. Jack was the first one to give his gift to his grandpa.

B. Jack was the last one to give his gift to his grandpa.

C. Jack gave his gift to his grandpa together with other people.

D. Jack gave his gift to his grandpa together with his parents.

5. Why were there tears in Grandpa's eyes?

A. Because he would lose his position.

B. Because he was not cared for.

C. Because he was moved by Jack's gift

D. Because he was unhappy.

关于房屋权属登记中的总登记表述中，错误的是（）。

A.房屋登记机关认为需要对房屋权属进行总登记时，经过县级以上地方人民政府批准，可以对本行政区域内的房屋权属证书进行验证或者换证

B.总登记、验证、换证的期限，由县级以上地方人民政府具体规定

C.凡列入总登记、验证或者换证范围，只有权利人以往领取过房屋权属证书，才能在规定的期限内办理登记

D.各地实施总登记、验证、换证，县级以上地方人民政府应当在规定期限开始之日30日前发布公告

LASIK手术后主要并发症有（）

A.屈光欠矫或回退

B.激素性青光眼

C.层间上皮植入

D.术源性散光

E.术后感染

电缆的电气特性应符合（）标准。

A.建设单位

B.国家或部颁

C.设备供应商

D.监理单位

山茱萸除补益肝肾外，还有以下功效（）

A.祛风止痒

B.收敛固涩

C.祛痰止咳

D.杀虫

E.截疟