混合支持式义齿的舌杆应A．与黏膜密合 B．离开2.5～3mm C．离开0.5～lmm

— ______ were the beaches?             

—They were beautiful but crowded.        [ ]

A. How      

B. What    

C. Where   

D. When

It was June 15, and in two days I would be turning thirty. 1 was insecure about entering a new decade of my life and feared that my best years were now behind me.

My daily routine included going to the gym for a workout before going to work. Every morning I would see my friend Nicholas at the gym. He was seventy - nine years old and in terrific shape. As I greeted Nicholas on this particular day, he noticed I wasn't full of my usual vitality and asked if there was anything wrong. I told him I was feeling anxious about turning thirty. I wondered how I would look back on my life once 1 reached Nicholas's age, so I asked him, “What was the best time of your life?”

Without hesitation, Nicholas replied, Well, Joe, this is my philosophical answer to your philosophical question:

"When I was a child in Austria and everything was taken care of for me and I was nurtured by my parents that was the best time of my life."

"When I was going to school and learning the things I know today, that was the best time of my life."

"When I got my first job and had responsibilities and got paid for my efforts, which was the best time of my life."

"When I met my wife and fell in love, which was the best time of my life."

"The Second World War came, and my wife and I had to flee Austria to save our lives. When we were together and safe on a ship bound for North America, which was the best time of my life. "

"When we came to Canada and started a family, which was the best time of my life."

"When I was a young father, watching my children grow up, that was the best time of my life."

"And now, Joe, 1 am seventy - nine years old. I have my health, l feel good and I am in love with my wife just as I was when we first met. This is the best time of my life."

46. When Joe's 30th birthday is drawing near, he feels               .

A. excited             B. frightened          C. worried              D. eager

47. Joe usually goes to the gym to            .

A. take exercise                     B. begin his work

C. see his friend Nicholas             D. do his part -time job

48. What does the underlined word vitality in the second paragraph mean?

A. strength                         B. Power to survive

C. Happiness                       D. Energy and enthusiasm

49. What is the right order of the following events?

a. Fell in love                b. Grew up in Austria       c. Settled in Canada

d. Escape from his country     e. Got salaries

A. b a e d c             B. b e a d c          C. a b e d c            D. b c a d e

50. The purpose of the passage is to                   .

A. tell the reader about Joe's experience             

B. tell the story of his friend Nicholas.

C. tell people not to worry about their ages.

D. tell people to take an optimistic attitude toward life.

1988年底41届世界卫生大会确定了全球消灭脊髓灰质炎的目标。为承诺实现这一目标，中国开始了消灭脊髓灰质活动，并于2000年成功实现了无脊髓灰质炎的目标。

实现无脊髓灰质的目标后，但与我国接壤的部分国家任有脊髓灰质炎的流行，脊髓灰质炎的野病毒输入我国并引起流行的危险依然存在，这些国家包括（）

A.阿富汗

B.越南

C.泰国

D.缅甸

E.印度

F.巴基斯坦

作为个人人寿保单质押贷款的质押保单必须具有（）。

A.保险时间

B.保险范围

C.保险金额

D.现金价值

髋关节后脱位最常出现的并发症是（）。

A.髋臼骨折

B.股骨头骨折

C.坐骨神经损伤

D.股骨颈骨折

E.以上均不是